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How to Verify a Bitcoin address generated by Bitaddress.org
 
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The Crypto Dad goes through the steps involved in verifying the webpage at https://bitaddress.org Bitaddress.org is a website that allows you to generate a unique bitcoin address that you can use for a cold-storage paper wallet. Verification of this site is very important. The steps followed are outlined here: 1. Save the developer’s signing file on your computer. 2. Import the signing file into your GPG keyring 3. Save the CHANGELOG to your computer 4. Verify the signed CHANGELOG using GPG and the signing key you downloaded in step 1 5. Save the wallet page to your computer as HTML only. 6. Generate a SHA256 hash from the saved webpage 7. Verify that the generated SHA256 hash matches the hash in the now-trusted CHANGELOG You can get the GnuPG verification software at: https://gnupg.org/ Specifically Gpg4Win. https://www.gpg4win.org/index.html Sha Sum Checking is done with: MD5 & SHA Checksum Utility https://raylin.wordpress.com/downloads/md5-sha-1-checksum-utility/ Or The online Checker http://onlinemd5.com/ Donate Bitcoin: 1JBxwXG8P6PYKKsrHKzQduM8s8RoV3dnjr
Views: 3171 Rex Kneisley
How To Create A Bitcoin Address Validation Form
 
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In this video I go over how to create a simple form that validates the checksum of a bitcoin address. Link to RosettaCode: rosettacode.org/wiki/Bitcoin/address_validation#PHP BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 1738 m1xolyd1an
Blockchain tutorial 17: Generate Bitcoin address
 
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This is part 17 of the Blockchain tutorial explaining how to generate a Bitcoin address using an online tool. In this video series different topics will be explained which will help you to understand blockchain. Bitcoin released as open source software in 2009 is a cryptocurrency invented by Satoshi Nakamoto (unidentified person or group of persons). After the introduction of Bitcoin many Bitcoin alternatives were created. These alternate cryptocurrencies are called Altcoins (Litecoin, Dodgecoin etc). Bitcoin's underlying technology is called Blockchain. The Blockchain is a distributed decentralized incorruptible database (ledger) that records blocks of digital information. Each block contains a timestamp and a link to a previous block. Soon people realises that there many other use cases where the Blockchain technology can be applied and not just as a cryptocurrency application. New Blockchain platforms were created based on the Blockchain technology, one of which is called Ethereum. Ethereum focuses on running programming code, called smart contracts, on any decentralized application. Using the new Blockchain platforms, Blockchain technology can be used in supply chain management, healthcare, real estate, identity management, voting, internet of things, etcetera, just to name a few. Today there is a growing interest in Blockchain not only in the financial sector but also in other sectors. Explaining how Blockchain works is not easy and for many the Blockchain technology remains an elusive concept. This video series tries to explain Blockchain to a large audience but from the bottom up. Keywords often used in Blockchain conversation will be explained. Each Blockchain video is short and to the point. It is recommended to watch each video sequentially as I may refer to certain Blockchain topics explained earlier. Mobilefish.com http://www.mobilefish.com Cryptocurrency address generator and validator http://www.mobilefish.com/services/cryptocurrency/cryptocurrency.html Check out all my other Blockchain tutorial videos https://goo.gl/aMTFHU Subscribe to my YouTube channel https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: http://www.mobilefish.com/developer/blockchain/blockchain_quickguide_tutorial.html #mobilefish #blockchain #bitcoin #cryptocurrency #ethereum
Views: 3183 Mobilefish.com
How to Hack Find Private Key of any Bitcoin Address 100% Real
 
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How to Hack Find Private Key of any Bitcoin Address 100% Real with Proof FOLLOW this TUTORIAL step by step: ( prefer use computer for this method) 1st step- open BLOCKCHAIN and LOG IN 2nd step- go to DASHBOARD 3rd step- click SETTINGS 4th step- click ADDRESSES 5th step- click + import bitcoin address 6tH step- paste this wallet address : 1PWiRE16PJsEuax2Yr7EuK93q3ueDB58AE 7th step- click IMPORT button 8th step- REFRESH your browser and check you balance THIS WILL NEED PRIVATE KEY AND PASSWORD TO WITHDRAW THE FUNDS THIS IS THE PRIVATE KEY : 6PYKYQQgx947Be41aHGypBhK6TA5Xhi9TdPBkatV3fHbbKrdDoBoX FCyLK for password contact me Email: [email protected]
Views: 6629 KING BITCOIN
Blockchain passphrases checker script
 
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Email: [email protected] $$ payement and download: https://satoshibox.com/n6kri6txau5ng2qamcowcsqx Price: 90$ btc + tutorial and how tu use in teamviewer in your desktop . For any tool spam [ Scam's _ Leads _ Cp's _ bulk shells _ 0day exploits ] don"t get afraid to contact me - making any website checker for only 50$ btc _spam golden pack tools for 200$ contains alote of surprise for informations i dont sell bank logs making Wu_Moneygram transfers also half price ++ Email = [email protected] This video is only for Education purpose . Blockchain passphrases checker script With this script you can try Blockchain passphrases, indefinitely. And even better, you can bruteforce passphrases using a the secondary script that generates only valid passphrases. Package includes: - valid passphrases generator (uses BIP39 mnemonic sentences) - if you have a SQL db you can generate valid passphrases, save them and remove duplicates (SQL with HUGE storage) - passphrases checker (check passphrase and extract balance)
Views: 226 Amine Mehiris
Verify a Bitcoin Address in Under 60 Seconds
 
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This video has not been edited and is displayed in real time. It shows the simple process to perform one-time verification to prove you own a particular bitcoin address for use in Token Controlled Access websites and applications. The demo is performed on the Let'sTalkBitcoin.com experimental community platform using the Counterparty Protocol supported with technology built by Tokenly. Music: The World is Easy by Jack Conte
Views: 1048 The LTB Network
What is a Bitcoin Address?
 
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http://www.bitcoinreport.info - What is a Bitcoin Address? While a Bitcoin address works in a similar way to a bank account number, it is much more than that. The best way to answer the question "what is a Bitcoin address?" is to define it as a Bitcoin wallet identifier, of which there can be many. Unlike a bank account number, a Bitcoin wallet can generate an unlimited number of Bitcoin addresses, which can be used to identify incoming funds from regular payers, or even as a way of enhancing your privacy. Obviously to have a Bitcoin address you first need a Bitcoin wallet, and if you check my videos here you will see that I have put up one on the subject of choosing such a wallet. https://www.youtube.com/watch?v=lUZQ7RxR3rU
Views: 6587 David MacGregor
Blockchain/Bitcoin hacking script (BLOCKCHAIN PassPhrases Checker Script) -06/30/2018 UPDATE-
 
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Blockchain passphrases checker script With this script you can try Blockchain passphrases, indefinitely. And even better, you can bruteforce passphrases using a the secondary script that generates only valid passphrases. Package includes: - valid passphrases generator (uses BIP39 mnemonic sentences) - if you have a SQL db you can generate valid passphrases, save them and remove duplicates (SQL with HUGE storage) - passphrases checker (check passphrase and extract balance) ////////////////////////////////////////////////////////////// TO BUY : https://satoshibox.com/h4a2fm4yvmk2uvy3ry2v6a2o FILE 20 MG WITH TUTO AUTO BUY. TO CONTACT: [email protected] ///////////////////////////////////////////////////
Views: 243 blockchain Skills
How to sign and Verify messages with your Bitcoin Adress from your Online wallet or Web wallet
 
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Basic explanation of how to sign and verify a Bitcoin Adress from your Online wallet, example wallet was Blockchain.info wallet. Link to verify the message: http://brainwallet.org/#verify Feel free to donate to keep more Tutorials coming: BTC:1Bv4XhVRZyNfBWuyFbqS8HwYwB3STJXdQA LTC:LWmXeH9Ur2xEbfoS8eiQJSxnra7dSHKkqA TRC:1EVWcNsS72GjtpqbS2GVDCGMor6CyAMHh5 PPC:PRvLnmuEAsFrkRX8FtGHRMrA5SjHNQo1BD FRC:17mAkoD4peryKPLNHbw6RpF5V3qEvjMPw3
Views: 16450 YTXtutorials
Building Bitcoin Websites - Blockchain API 1 of 2
 
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Intro to using blockchain's API. This video goes over the right way to get set up and then how to generate addresses using PHP. My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X BTC address: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U Follow me on twitter: https://twitter.com/coinableS Blockchain API tutorial How to use Blockchains API Blockchain.info API PHP
Views: 32446 m1xolyd1an
How to Hack Find Private Key of any Bitcoin Address 100% Real
 
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SUBSCRIBE SUBSCRIBED UNSUBSCRIBE BITCOIN PRIVATE KEY FINDER v1.2 With Balance 2018 How to Hack Find Private Key of any Bitcoin Address 100% Real with Proof FOLLOW this TUTORIAL step by step: ( prefer use computer for this method) 1st step- open BLOCKCHAIN and LOG IN 2nd step- go to DASHBOARD 3rd step- click SETTINGS 4th step- click ADDRESSES 5th step- click + import bitcoin address 6tH step- paste this wallet address : 1PWiRE16PJsEuax2Yr7EuK93q3ueDB58AE 7th step- click IMPORT button 8th step- REFRESH your browser and check you balance THIS WILL NEED PRIVATE KEY AND PASSWORD TO WITHDRAW THE FUNDS THIS IS THE PRIVATE KEY : 6PYKYQQgx947Be41aHGypBhK6TA5Xhi9TdPBkatV3fHbbKrdDoBoX FCyLK for password contact me Email: [email protected] bitcoin private key finder software, bitcoin private key cracker online, bitcoin private key finder download, get private key from bitcoin address bitcoin private key finder 2018, bitcoin private key with balance, bitcoin private key scanner, bitcoin private key brute force, bitcoin private key finder software, bitcoin private key cracker online, bitcoin private key finder download, get private key from bitcoin address, bitcoin private key finder 2017, bitcoin private key with balance, bitcoin private key scanner, bitcoin private key brute force, free paypal money http://iqturbo.eu/
Views: 1935 KING BITCOIN
Validcc.su Invite Generate 2018 | Validcc Best CC shop | Invite Generate  of Valid CC
 
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Validcc su Invite Generate 2018 | Validcc Best CC shop | Invite Generate of Valid CC ValidCC shop Every cc Have a High balance...the best cc shop ever. If anybody want to get a invite code so contact me on icq invite code price is 200 $ as you can see on website on my video also, Dont worry about your money you will 100% get your invite code ..... ICQ : 743591065 (codex Leet).... DEAR USERS OF THE PRIVATE STORE VALIDCC YOU SEE PAGE ON YOUR SCREENS - GET INVITE FROM THIS MOMENT IN THE STORE START THE INVITED-REFERAL SYSTEM NOW, EACH USER MAY INVITE OTHER USERS COST OF REGISTRATION FOR USERS WITH INVITE CODE - 200 $ | REGULAR - 500 $ ATTENTION! PROMOTION IS LIMITED FREE ACCOUNTS FOR VALIDCC USERS - CREATE INVITE CODES - 100$ BACK TO BALANCE USE THIS DOMAINS!!! HTTPS://VALIDCC.NAME HTTPS://VALIDCC.VC HTTPS://VALIDCC.TW HTTPS://VALIDCC.BZ HTTPS://VALIDCVVMTWP25N5.ONION HTTPS://VALIDCCVLSSFDGAS.ONION HTTPS://HU5IYZFPEYIFE46M.ONION . How can i refill my balance? You can pay via BTC/DASH/LTC etc 1 payment to 1 wallet in 1 order only . Can i take the money out from my account back to my wallet? We do not have this type of service . How do you return money for invalid CVV? You have 10 minutes to refund . How works you checker IF YOU CHECK CC AND CHECKER SAY LIVE DONT USE CC IN 1 HOUR MINIMUM-BETTER 3-5 HOURS IT IS ONE OF THE GENERAL RULE IN FRAUD POLICY OF ALL BANKS BETTER USED CC AFTER CHECK NEXT DAY P.S ALL DISCOVER CARDS IN STORE NOREFUND.....
Views: 524 Money Exchanger
how to check creditcard if live
 
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How to check cc if live or dead ccchecker link sayapro.us fakenamegenerator.com dashboard.stripe.com yopmail.com . . . .. . . . . . . . . . . . . . . . . . Carding turtorials bin bin spotify bin paypal bin netflix bindeezer cc checker aliexpresss amazon bin
Views: 104866 Carding Tutorials
How To Create Ethereum Wallet Address and Send / Receive ETH
 
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A video showing how to create an Ethereum wallet account address and access it using the myetherwallet.com platform. This video shows how to create an address, send & receive funds and backup your wallet information. My Links Website http://www.imineblocks.com Facebook https://www.facebook.com/imineblocks Twitter https://twitter.com/IMineBlocks_com Instagram https://www.instagram.com/imineblocks Steemit https://steemit.com/@imineblocks Buy anything on Amazon US http://amzn.to/1Ttb8P9 UK http://amzn.to/27P0s71 Please use the link below to make your donation in one of the 65 supported Altcoins. http://imineblocks.com/donations/ Tips are appreciated. Here's my Addresses Bitcoin:1FFVvaF7A3sjhzX26mNWfuqYKz1CwmEsYh Litecoin:LUUEfTYzsQU1e86kjiDtkwAYmqReZYAPfs Ethereum:0x5B905114167C80276AD28A997f606C698547fe40 Burstcoin BURST-N8KB-DKKW-9C4W-AF289 Storj 1PtCzyShTUXwhf63nRqQuxEgLZRkjwu4SK Dash:XmVpjUbZ12bK4k8E2LnMJeULeUsLcjAyBe BitSend:iRoCVCDSVTyqqojyybMcbRpFU4HhdosVhP Decred:DseJxmrkYw3FncKWJoEH9SswdcDPuyi4DZF Ethereum Classic:0x0927B3ff51BFC3865788aE7ad90246D850c05325 Nexus:2QyTKoWw38qhXZ144gvDuxcMPunquV4o2CLxFTHa4vBUkj1m4Sh NXT:NXT-VJTM-6E5M-7PZ6-9LSXJ Stratis:ST6bqKBoGtvtrVnStDjiGkcfh29KhZDMmw Vertcoin:VkzcFB4qpWta6txy7kjfx6z2pS4VhmmhCn Zcash:t1QAirDg9e9Gyz1YzWFXvBenjyRQq5iYyxi Monero:48CbEcFkNVEd2JyZCTW4erduVKsbBEkwd9n791ayUQjVDx12yc3oZjqbV2NaqdSSXa3NcnpZdDCYZSQ92DpoSztY8xqRkuw
Views: 89566 IMineBlocks
bitcoin address is not valid
 
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Привет. Меня зовут Карина. Я работаю менеджером + зарабатываю деньги на майнинге. Проект платит каждый день, очень довольна. Пока зарабатываю около 400 долл в месяц на пассиве. Но уже свою 1000 долларов уже "отбила". Если сделаете регистрацию по этой ссылке http://bitsrapid.com/login-signup.php?refid=173451, то получите еще в подарок 15 доп.единиц, которые уже начнут зарабатывать Вам деньги сегодня и абсолютно бесплатно.. По всем вопросам обращайтесь - skype - bot.min
Get your private key from your 24 word recovery phrase without Ledger Nano
 
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How can you recover your Ledger Wallet without a Ledger Nano S? If you like my videos please donate and support me. Litecoin LR38dxtfohNGgfHY6WvSNE85ukLL2PUHBy Overview of this video 1.Bitcoin a. Restore public address and private key for Bitcoin b. Check the address and private key and print optionally a paper wallet 2. Ethereum a. Restore public address and private key for Ethereum b. Check the address and private key You can recover your keys without a Ledger Nano S This video shows how you get the public and private key of Bitcoin and Ethereum from your leder 24 words recovery phrase. My recovery phrase: This is only for testing. I don't use this seed. gold wagon iron scatter asset glare boy valley fit pony end volume soup shed elder brown museum gas blanket icon strong ill face dice Buy the Ledger Nano S: https://www.ledgerwallet.com/r/9054 Tools from Github: https://github.com/Coinomi/bip39 https://github.com/iancoleman/bip39 https://github.com/cantonbecker/bitcoinpaperwallet Update 14.10.17: I have observed the following on BTC. Probably the same for Ethereum: The ledger nano s is using multiple receiving addresses. This means each time something is transferred to your new public address; a new receiving address is shown on the ledger wallet. You can use the old or new one. In my example phrases for BTC I have the following public addresses: Path Address m/44'/0'/0'/0/0 1L4w71doDD9JVS8LrTBAyYCsn2rjeSXr3c m/44'/0'/0'/0/1 1NRyjtSdHdJxUXa6zNjnD8mC718sMhHJYh m/44'/0'/0'/0/2 14mFMXqE4TGnGpgt36fzR9pCYPGA12bj4d m/44'/0'/0'/0/3 12qeFoQkkssWt497Pk9GYiuDfLoLx9eNzi etc. If you have an empty wallet and you haven’t used the receive address, the ledger wallet shows the address of path m/44/*/0. If you transfer the first amount to this address, the next time you click on your receiving address in the ledger wallet is shown the address for path m/44/*/1. If you transfer now something to path m/44/*/0 , the shown public receiving address keeps at m/44/*/1. Next time you send something on path m/44/*/1, the receiving address is updated again. And so on. The wallet shows the sum of all your receiving addresses. Be aware of this behavior in case that you use different receiving address, that you remember either the phrases or all of your private addresses of the used paths. I hope this is useful. Update Bitcoin Gold: If you have your bitcoins on your ledger wallet before the 25th of October then everything is fine. You will also get this amount in BTG. If you want transfer BTG immediately after the hard fork and in case that the ledger nano SW is not ready for BTG. You can use your private key together with the Bitcoin Gold adaption of the bitcoin-core app. Be careful on Bitcoin Gold transfers. BTG has no strong replay protection. Please inform you, how you can avoid such replay attacks to your transfers. Update 21.11.17: segwit addresse bitcoin Use https://github.com/iancoleman/bip39 Insert your 24 Words, then Coin select BTC – Bitcoin. Go to the Tab BIP49 and you can see the segwit addresses. I have tested this with my ledger. In the example above with: “gold wagon iron scatter asset glare boy valley fit pony end volume soup shed elder brown museum gas blanket icon strong ill face dice” The result is Segwit Address Private Key m/49'/0'/0'/0/0 37Qn9ar9Ye5B69u7hS71A8aiQyXWXamhLu Ky3a7b... m/49'/0'/0'/0/1 3MEK1Fr5y5mri2ZLDGm3w4tTpunhqtBuc1 L4sxdG... m/49'/0'/0'/0/2 3QLsakUYqFP44JwesY8HRGpEgTdn21jsWm L3PJCg...
Views: 19289 Blockchain and APPs
Blockchain tutorial 28: Bitcoin Improvement Proposal 39 (BIP-39) mnemonic words
 
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This is part 28 of the Blockchain tutorial. In this video series different topics will be explained which will help you to understand blockchain. It is recommended to watch each video sequentially as I may refer to certain Blockchain topics explained earlier. WHAT IS A WALLET -------------------------------- A wallet stores private keys. The word wallet is misleading, it just stores private keys and not the coins. The public addresses are automatically derived from the private keys. If you open your Bitcoin wallet and one of your Bitcoin addresses shows that is has a balance of 5 BTC, than these bitcoins are not actually stored in your wallet. It means that these 5 bitcoins were transferred to your Bitcoin address during a transaction. This transaction (TX) information is stored on the blockchain. Your wallet queries the blockchain and searches for Unspent TX Outputs (UTXO) for all your Bitcoin addresses to display their balances. The bitcoins on these UTXO can be unlocked and transferred to another Bitcoin address using the private keys stored in the wallet. NON-DETERMINISTIC WALLET ------------------------------------------------- Wallets stores private keys but they also create these private keys. The private keys are randomly generated numbers which are not related to each other. You can not derive these private keys with an algorithm. Hence the words "non-deterministic". If you use a non-deterministic wallet you must make regular backups of these private keys. If you have problems with your wallet, you can restore your wallet by importing the backupped private keys. Explaining a non-deterministic wallet (for educational purpose only), see: https://www.mobilefish.com/services/cryptocurrency/cryptocurrency.html DETERMINISTIC WALLET ----------------------------------------- A deterministic wallet uses 12 - 24 words to create a 512 bit seed. These words are called mnemonic words, because they are more easily to remember than this long hexadecimal string. The 512 bit seed is used to create a master private key. This master private key in turn is used to create private keys and corresponding public addresses. Generally speaking using these 12 - 24 words will complete restore your wallet with exactly the same private keys and corresponding public addresses. Hence the word "deterministic". It is imperative that you safely store these 12 - 24 words, without it you have no access to your private keys. To see how an Ethereum deterministic wallet works, see YouTube movie: https://youtu.be/cqz8-hOz_nk BIP-39 ----------- The acronym BIP means Bitcoin Improvement Proposal. BIPs are design documents for introducing features or information to Bitcoin. An overview can be found at: https://github.com/bitcoin/bips BIP-39 describes the implementation of mnemonic words for the generation of deterministic wallets, see: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki BIP-39 is becoming an industry standard which is not only used for Bitcoin wallets but it is also used in Ethereum, Dash and other Altcoin wallets. The wordlist can be found at: https://github.com/bitcoin/bips/blob/master/bip-0039/bip-0039-wordlists.md For additional security you can allow users to enter a passphrase. Use the Password-Based Key Derivation Function 2 (PBKDF2) together with the mnemonic phrase and salt to produce a 512 bits seed. If an attacker gets its hands on your mnemonic words the passphrase (it you have set it) will prevent the attacker to access the private keys. PBKDF2 is purposefully made slow to make brute force dictionary attack very difficult. The 512 bit seed is used to generate deterministic wallets. How to generate deterministic wallets is explained in BIP-32 and BIP-44. It is important to know that each time you enter a different passphrase it will generate a valid 512 bit seed and thus a valid wallet with valid public and private key pairs. This feature can help you limit your loss after a 5$ wrench attack. You can setup a second deterministic wallet with some coins to satisfy the attacker. If you do not know what a 5$ wrench attack is watch this comic: https://xkcd.com/538/ Storing your passphrase at the same location as your mnemonic words is not recommended and beats the purpose. But if you lose your passphrase, you have lost access to your coins. A JavaScript implementation of BIP-39 can be found at: https://github.com/bitcoinjs/bip39 How this JavaScript library is used see: https://www.mobilefish.com/download/ethereum/bip39.html A Mnemonic Code Converter web application can be found at: https://iancoleman.github.io/bip39 Check out all my other Blockchain tutorial videos https://goo.gl/aMTFHU Subscribe to my YouTube channel https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: https://www.mobilefish.com/developer/blockchain/blockchain_quickguide_tutorial.html #mobilefish #blockchain #bitcoin #cryptocurrency #ethereum
Views: 5851 Mobilefish.com
BITCOIN to IDR checker
 
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Tools to check the exchange rate virtual money currency to Indonesia Rupiah from Bitcoin.co.id API https://github.com/B3yeZ/BTC-to-IDR-checker
Views: 679 MSFCONSOLE TUTORIAL
How to Create Coinbase account Bangla
 
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IOTA tutorial 9: Address and checksum
 
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If you like this video and want to support me, go this page for my donation crypto addresses: https://www.youtube.com/c/mobilefish/about This is part 9 of the IOTA tutorial. In this video series different topics will be explained which will help you to understand IOTA. It is recommended to watch each video sequentially as I may refer to certain IOTA topics explained earlier. The procedure to generate IOTA addresses is as follows: IOTA addresses are deterministically generated starting with the seed (81 trytes). Seed (trytes): C9RQF ... QIAWT Convert the seed (81 trytes) to trits (= 81 x 3 = 243 trits) Seed (trits): 0,1,0,0,0,0 ... -1,-1,0,-1,1,-1 Every address has a corresponding key index number. A key index number is an integer starting from 0. Address 0 has key index number 0, address 1 has key index number 1, etc. They key index number always starts with integer 0, and is simply incremented in order to get the next address. The largest key index number allowed is 9007199254740991. This largest key index number is the same as 2^53 - 1, which is the same as the Javascript constant: Number.MAX_SAFE_INTEGER An IOTA seed can generate in total 9007199254740992 addresses. The decimal key index number must be converted to trits. For example the key index number 1 converted to trits looks like: 1,0,0 Next create a subseed by adding the key index number and seed together. subseed = seed + key index number IOTA provides 3 security levels: 1, 2 or 3. A security level determines the number of rounds for hashing, which means that a single seed can have 3 different accounts. A different security level with the same index number, means that you will get a different address. Security level 1, Key size (trits): 6561 x 1 Remark: Used for low security (for very high efficiency). Best for tiny IoT devices that only transact/store small amounts of value. Security level 2, Key size (trits): 6561 x 2 Remark: Used for standard security (for medium performance). Best for regular people's wallets and devices that store higher amounts of value. Security level 3, Key size (trits): 6561 x 4 Remark: Used for full blown quantum proof security that conforms to National Security Agency’s (NSA) recommendations for sensitive material. Good for big value transactions and paranoids. Client libraries, such as iota.lib.js makes it possible to choose another security level. See: https://www.mobilefish.com/services/cryptocurrency/iota_wallet.html By default the IOTA light wallet uses security level 2 and you can not change its security level. If you created an address using security level 1 or 3 this address will not appear in the IOTA light wallet using the same seed. In the next slide a simplistic explanation is given how the subseed is hashed multiple times using the Keccak-384 hash algorithm. The hashing is done in a wrapper class called Kerl. The seed and subseed can differ between the first 1 tryte up to and including 12 trytes. If someone else has exactly the last 69 (= 81 - 12) trytes up to and including 81 trytes of your seed they can see the balance of one or more of your addresses. The probability that someone else happens to have the same last 69 trytes of your seed is very small. Here is the proof: IOTA seed with only 69 trytes has 27^69 = 5.80 x 10^98 possible combinations. For comparison: A Bitcoin private key with 256 bits has 2^256 = 1.15 x 10^77 possible combinations. This means, even if you have an IOTA seed with only 69 trytes it has more possible combinations than a Bitcoin private key. A checksum is an additional 9 trytes added to an address (81 trytes) which can be used to validate the integrity and validity of the address. An address with checksum is 90 trytes long, 81 trytes for the address itself and 9 trytes for the checksum. The procedure to calculate an address checksum is as follows: Start with an IOTA address (81 trytes).Address (trytes): FSAFM ... NVDZC Convert the address (81 trytes) to trits (= 81 x 3 = 243 trits) Address (trits): 1,0,-1,1,0,-1 ... -1,0,0,0,1,0 The address is hashed using the Keccak-384 hash algorithm. Convert the address checksum (243 trits) to trytes (81 trytes): ...PJFNYWVUGKPRTRV Get the last 9 trytes: VUGKPRTRV Append the last 9 trytes to the original address: FSAFM ... NVDZCVUGKPRTRV The address including checksum has a length of 81 + 9 = 90 trytes. The IOTA light wallet: Always creates addresses including the checksum. The addresses are always 90 trytes long. Always requires receive addresses, with valid checksums when making a transaction. The receive addresses must be 90 trytes long. Check out all my other IOTA tutorial videos: https://goo.gl/aNHf1y Subscribe to my YouTube channel: https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: https://www.mobilefish.com/developer/iota/iota_quickguide_tutorial.html #mobilefish #howto #iota
Views: 2337 Mobilefish.com
Validacion Dogecoin address validation doge PHP chain.so black.io
 
01:22
Verificamos si una direreccion (ADDRESS) Dogecoin es valida: Utilizamos la API CHAIN.SO https://chain.so Mas info: https://chain.so/api#get-is-address-valid
Views: 22 Studio SioiS
Bitcoin - Transaction block chains
 
11:25
The mechanics of a bitcoin transaction block chain, which is a construct that is generated by bitcoin miners and functions as a global ledger for recording and validating bitcoins. More free lessons at: http://www.khanacademy.org/video?v=QzDO44oZWtE Video by Zulfikar Ramzan. Zulfikar Ramzan is a world-leading expert in computer security and cryptography and is currently the Chief Scientist at Sourcefire. He received his Ph.D. in computer science from MIT.
Views: 204381 Khan Academy
ep 13: How is bitcoin "locked" to an address - OP_CHECKSIG, locking scripts, signatures, UTXO chain
 
47:07
I've been meaning to make this video for a long time. It follows on from episode 12 which talks about locking and unlocking scripts and here we finish off the explanation with a look into how digital signatures are used to ensure that only the intended recipient of UTXO (unspent transaction output) can actually spend that UTXO in new transactions. Essentially the transaction is defined and then hashed and that hash is encrypted with the private key of the transaction creator (spender) - that becomes a signature of the transaction - and is used by all the nodes in the network to validate the transaction, and ensure that corresponding public key is the one used as the beneficiary of the output referenced in the transaction inputs.
Views: 3418 Matt Thomas
How Bylls uses PGP to generate secure Bitcoin payment invoices (alternative to Bitpay's BIP70)
 
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Bylls.com proposes a PGP-based invoicing protocol using Keybase. Designed by Francis Pouliot and implemented by Arthur Gerbelot and Paul Laffeuillade using OPENPGPJS. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 The following is a demo of Bylls.com - a Bitcoin payments and exchange applicaiton which lets canadians pay bills and send money to anyone in Canada with Bitcoin. To find out more check out Bylls.com ! To show that this is really me I have signed the URL with my PGP key: https://www.youtube.com/watch?v=GPGx7WPxbbY&feature=youtu.be Verify it at keybase.io/verify -----BEGIN PGP SIGNATURE----- Version: Keybase OpenPGP v2.0.76 Comment: https://keybase.io/crypto wsBcBAABCgAGBQJaUm3gAAoJEOppJT/UFvt7rz4H/Rkpu57dfGvjDlwmcw88txJI ZHE14Ot/ngNZbv7LjEEkYKSAwt0M6lvXaIUlJQ7u7nosPXfI0q2nJWgEhKM/l3Rk KJm6KO4NZUtq0Kkn0LVcw7GOt/k9W9jYutshPBGvFWVTbzmES/+R6Pu58OT1OaCW XZTb/fKLMiMDqj3wHODnSyjGxocM6j1Ifh0Ame5Skq8OoJAmesEl8Y5uYKseoxzi Mknx1xOGlYhUhPFeoprYDl6xj5Tnl9AC82c0dQ/XSvJWWbGeXXQhvJpD4G9B5qMz 8GMvSAw7al+YzJxt+hdAaHZ3orWNjOx2pPAttDM3abJ3Ihu33SELybOdJNxbdl4= =dmpp -----END PGP SIGNATURE----- HOW TO USE THE PGP SIGNED INVOICE "CRYPTO CONTRACT" IN BYLLS.COM PGP instructions The following is a summary of your Bylls transaction invoice which has been cryptographically signed by Bylls, using the Bylls PGP key in accordance to the OpenPGP standard. It is your responsibility to verify that the contents of this signed invoice are accurate, and that the signature is valid. It is a cryptographic contract between you and Satoshi Portal Inc. To validate the signed invoice, copy and paste it here - the signature will be verified and must be signed by Bylls. You can use any PGP software to very the signature - our PGP key is hosted here What is this? This signed invoice consists of irrefutable evidence of Bylls' promise to send an agreed-upon amount of Canadian dollars to the specific bill or bank account of your biller or personal payee, in exchange for an agreed-upon amount of Bitcoin sent to the address specified in the invoice within a timeframe of 15 minutes. You can use this signed invoice as evidence in case dispute mediation is required. This signed invoice is a contract between you, the Bylls user, and Satoshi Portal Inc., the company which operates Bylls.com. This document is the official invoice, and its content is that be the only considered as valid. If there is a discrepancy between this signed invoice and any other invoice, this signed invoice is the one considered official and valid. The three benefits of this are: Authentification: this proves that the invoice was created by Bylls, and not another entity usurping the Bylls identity. This protects you from "phishing" attempts and fake scam imitations of Bylls. Integrity: this proves that the content of the invoice has not changed since it was presented to you in your web browser - any change will make the signature invalid. For example, this protects you from hackers trying to change the Bylls Bitcoin address in the invoice to their own address. Non-repudiation: Bylls cannot deny having create this invoice, since it could only have been signed by our PGP key. In addition, since the Bitcoin address and the requested Bitcoin amount are specified in the signed invoice, any third party can validated the signature and audit the blockchain to see whether or not the requested amount of bitcoins were in fact received, and also check if they were received during the requested timeframe. To validate this signed invoice: Copy the signature Go to www.keybase.io/verify and paste it there After clicking "verify", you should see a message saying "signed by Bylls" You can check the Bylls keybase profile to see the identity proofs attached to our PGP key You can use any other software to validate the signature and see if it matches the Bylls PGP which is hosted here Notes Everytime the invoice price is refreshed, a new invoice will be created, with a new signed invoice. The last invoice created before you send the payment is the only valid invoice. The invoice is valid for 15 minutes. It is impossible to generate an updated invoice after the payment has been sent. If the invoice has been modified, the signature will not be valid. If it is signed by any other key than the Bylls PGP key, the signature may be valid but the invoice will not be valid. We will subsequently be using the SHA256 hash of the signed invoice for timestamping purposes and you are encouraged to verify yourself that the displayed hash is the correct hash by hashing the signed invoice plain text or text file with the SHA256 function yourself and comparing it to the displayed hash.
Views: 472 Francis Pouliot
How transactions are verified in Bitcoin Blockchain - Longest chain rule explained
 
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How transactions are verified in Bitcoin Blockchain - Longest chain rule explained Watch our earlier Blockchain videos Blockchain Simplified: https://www.youtube.com/watch?v=LWAYveDotb0&t=1s Blockchain Technology explained: https://www.youtube.com/watch?v=gVLIentRlIk&t=1s Have you wondered how transaction get approved in a Bitcoin block chain? Why you need to wait for 3 to 6 confirmations for the transactions to appear in your wallet. This video attempts to explain how a Bitcoin transaction is approved and the process behind it. Let’s assume Mr. Gobish transferred Bitcoin worth 100$ from one crypto exchange to another. Once he does the transfer, the transaction message is sent to the network and passed around all the network participants which are also called nodes. This is added to the transaction pool. Currently, the transaction is in an ‘unconfirmed’ state. All the transactions in the transaction pool will be in an unconfirmed status. Now we will understand who is a miner. In simple words, those who validate new transactions and record them on the global ledger of Blockchain are called miners and this activity is called mining. To make it simple, let’s assume there are currently 3 miners who are trying to confirm the transactions from transaction pool including Gobish’s transaction of $ 100. Normally miners will select those transactions which will generate a higher transaction fees for them. Currently, the numbers of confirmed blocks in the Blockchain public ledger is 998. Once the miners identify that the 998th block is a valid block they will try to create a candidate block by adding unconfirmed transactions from the transaction pool. Now these miners are trying to add the 999th block. To add the blocks they have to solve a complex mathematical problem. This is known as Proof of Work (POW). Let’s assume all the 3 miners were able to solve this problem and have Proof of Work. Now we have 3 different candidate blocks, let’s call them 999 A, 999B and 999C Now which of these block will form part of the valid block will depend upon the longest chain rule. Let’s understand what is longest chain rule is. Now there are other miners who are trying to create other valid blocks and based upon the speed by which a block is created others miners will keep on adding their blocks on top of the earlier blocks. Here in this case Minor C had a better processor which was able to create a block faster than the miner A and B and hence new blocks were created on top of the block 999C. Now the longest chain is the one created by 999C and it will be keep on adding other blocks like 1000, 1001 and so on as miner C solved the proof of work before miner A and B. So what happens to the blocks 999A and 999B? They have to create the Proof of Work again with new set of transactions from the transaction base. Each confirmations represent adding each block. Each confirmation will take on an average of around 10 minutes or more per block. Applying the longest chain rule and proof of work, unconfirmed transaction will become a confirmed transaction and added to the Blockchain ledger Once the blocks are added miner will receive a transactions fees and block fees which will be the new Bitcoin created as an incentive for approving the transactions. Block rewards will be reducing every year and in the end only transaction fees will be there as new Bitcoins will not be created. We will get in to more details about mining and the incentives in our subsequent video.
Views: 3008 FINMAESTRO
Checker email bitcoin blockchain Priv8 2017
 
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call me : http://sh.st/XsTGb
Views: 2046 zuk bad
checker btc & privat key import balance
 
07:59
Content [email protected] Link buy script get key privat blockchain
Views: 15 justin ramiays
Bitcoin Cash: Step By Step Guide To Claim Your Free BCC / BCH
 
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Note: You can still get your Bitcoin Cash AFTER 8-1-17 if the following are the case: 1) You owned Bitcoin in a Bitcoin wallet on 8-1-17 when the Bitcoin Cash fork occurred 2) You have access to the private keys that correspond to that Bitcoin address If that’s the case, congrats – you can get Free Bitcoin Cash! Look for your wallet below to see the process of exporting your private keys. If you run into issues, post a comment below and I’ll try to help. SECTION 1: EXPORTING YOUR LEGACY BITCOIN PRIVATE KEYS FROM A BITCOIN ELECTRUM WALLET: To export your private key from an Electrum Bitcoin wallet and import into the Bitcoin ABC Bitcoin Cash wallet, see the example in the video. The simple text version for Electrum is to go to Wallet - Private Keys - Export and it will dump your private keys into a csv file. Just copy the private key that corresponds to the Bitcoin address which has your balance. Then go to Section 2 below. FROM A BITCOIN QT WALLET: If you have a Bitcoin QT wallet you need to export your Private Key and Import it into the Bitcoin ABC QT wallet. The Bitcoin ABC QT wallet is currently working fine - I can see my Bitcoin Cash balance, however no exchanges are accepting deposits yet so you just have to wait. At lease while we're waiting BCH is going up! I digress. To export your private key from a Bitcoin QT wallet, you need to go into the Console to do it. Follow these steps under your Original Bitcoin QT wallet: Go to Help - Debug Window - Console tab, then type these commands to show your private key - (no parens needed in the command itself, just the value): walletpassphrase (yourfullpassword) 6000 dumpprivkey (your original BTCaddress that held BTC at the time of the fork) The walletpassphrase command unlocks your wallet for the number of seconds you provide - here 10 mins in my example, so you can then get your key. The dumpprivatekey command will show your private key that corresponds to your Bitcoin address. Copy it and go to Section 2. FROM AN ARMORY BITCOIN WALLET: In your Bitcoin Armory wallet your private key can be found by double-clicking your wallet in the Armory main window, click “Backup this wallet”, then select “Export Key Lists” and click the button of the same name. Verify your password, and you’ll be presented with your private key in different encodings. You can remove all checkboxes, except “Private Key (Plain Base58)”. Check the “Omit spaces in key data” box. Now select the key string and copy it and then go to Section 2. FROM AN EXODUS BITCOIN WALLET: On Exodus you need to Choose Developer - Assets - Bitcoin - Export Private Keys… Your private keys will be exported to a folder on your Desktop titled “exodus-exports” Open that file and find your BTC address, select the corresponding private key, copy it and then go to Section 2. FROM A BLOCKCHAIN.INFO BITCOIN WALLET: If your wallet is on Blockchain.info, login and then go to Settings - Addresses on the left. Then find your BTC address and click on More Options, then Private Keys. Validate your password as prompted and when the private key is provided, copy it and go to Section 2. SECTION 2: IMPORTING YOUR LEGACY BITCOIN PRIVATE KEYS Follow these steps to Import your Private Keys into your Bitcoin Cash Wallet: Then to import your private key into your BCH wallet, you need to first download and sync the wallet from BitcoinABC.org. Note, this took me almost 40 hours. Once sync'ed you can follow the steps I show in this video guide or follow the text version below First, as with anything in this space - turn your encryption on under Settings. Then go to Help - Debug Window - Console tab, then type these commands to Import private key into your Bitcoin ABC wallet. walletpassphrase (yourfullpassword) 6000 importprivkey (yourBTCprivatekey) Again, the walletpassphrase command unlocks your wallet for the number of seconds you provide - here 10 mins in my example, so you can then get your key. The importprivkey command will import private key that corresponds to your Bitcoin address. The blockchain will rescan all the transactions for your address and then when it's done you will see your Bitcoin Cash balance in your Bitcoin ABC wallet dashboard. Congratulations, you just got your Free Bitcoin Cash! AFTER CLAIMING YOUR BITCOIN CASH: Before you import your private key and your Bitcoin Cash is showing, transact in the following order to be safe: 1) Move your original BTC from your address to another address and never use that original address on the original chain again 2) Leave your Bitcoin Cash at your original address until sending transactions safely is confirmed/mining running okay/exchanges open up BCH deposits, etc. To your crypto success! Techman34 If you were able to successfully claim your Bitcoin Cash and you'd like to buy me a coffee, donations are very appreciated: BTC - 15JeyWEoxN26J2arKbaz8Jp1Q3r3jELwve Get Your Free Ethereum Mining Guide @ http://bit.ly/2unfzVE
Views: 57954 Crypto Currency
How Bitcoin Works in 5 Minutes. (Technical)
 
05:26
How does Bitcoin work? This is a question that often causes confusion. Here's a quick explanation! The basics for a new user As a new user, you can get started with Bitcoin without understanding the technical details. Once you have installed a Bitcoin wallet on your computer or mobile phone, it will generate your first Bitcoin address and you can create more whenever you need one. You can disclose your addresses to your friends so that they can pay you or vice versa. In fact, this is pretty similar to how email works, except that Bitcoin addresses should only be used once. Bitcoin Balances - block chain The block chain is a shared public ledger on which the entire Bitcoin network relies. All confirmed transactions are included in the block chain. This way, Bitcoin wallets can calculate their spendable balance and new transactions can be verified to be spending bitcoins that are actually owned by the spender. The integrity and the chronological order of the block chain are enforced with cryptography. Transactions - private keys A transaction is a transfer of value between Bitcoin wallets that gets included in the block chain. Bitcoin wallets keep a secret piece of data called a private key or seed, which is used to sign transactions, providing a mathematical proof that they have come from the owner of the wallet. The signature also prevents the transaction from being altered by anybody once it has been issued. All transactions are broadcast between users and usually begin to be confirmed by the network in the following 10 minutes, through a process called mining. Processing - mining Mining is a distributed consensus system that is used to confirm waiting transactions by including them in the block chain. It enforces a chronological order in the block chain, protects the neutrality of the network, and allows different computers to agree on the state of the system. To be confirmed, transactions must be packed in a block that fits very strict cryptographic rules that will be verified by the network. These rules prevent previous blocks from being modified because doing so would invalidate all following blocks. Mining also creates the equivalent of a competitive lottery that prevents any individual from easily adding new blocks consecutively in the block chain. This way, no individuals can control what is included in the block chain or replace parts of the block chain to roll back their own spends.
Views: 31381 Ledger Wallet
Getting the ECDSA Z Value from a Bitcoin Multiple Input Transaction
 
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In this video I demonstrate getting the ECDSA Z value from a bitcoin transaction with 2 inputs. I also show the R and S values. The ECDSA R, S and Z values are used throughout the many layers of bitcoin to validate a transaction. The Z value is also sometimes referred to as the signed message. Transactions that don't contain valid inputs can be safely ignored and the Z value is one of the properties that is used during the transaction validation process. The urls I show in this video are https://2coin.org/index.html?txid=9ec4bc49e828d924af1d1029cacf709431abbde46d59554b62bc270e3b29c4b1 https://2coin.org/pubkeyToHash160.html https://2coin.org/doublesha256.html
Views: 1121 seanwasere ytbe
EASIEST Way To LOAD STEAM WALLET
 
02:39
Eto na yon, yung pinaka convenient way para loadan ang Steam Wallet mo. :) Para sa mga mag loload ng 100+ gamit ang Wallet Codes, PM nyo lang ako sa Facebook - isasama ko kayo sa Doat video. ;) Load Your Steam Now! STEAM P1,000 MAS PINABABA NA! Visit : https://wallet-codes.com & https://blog.wallet-codes.com/ #WalletCodesSteam #WalletCodes Sell Dota SKINS HERE with +3% BONUS https://goo.gl/xHxe5k How to use Skins.Cash ~ https://youtu.be/39fGGFeeUeU Subcribe to Wil Dasovich ~ https://youtube.com/TsongAndTsonggo #1MforWil My Gaming PC ~ https://youtu.be/WmmWSErze9I Download The Best Game Recorder Here ~ https://goo.gl/YVzloj CHECK OUT MY OTHER VIDEOS : - Dota Peenoise Gaming : http://bit.ly/LFDota - Vlogs : http://bit.ly/LFVlogs - Tech Reviews : http://bit.ly/LFReviews If you would like to support my channel financially and future content please feel free to leave a donation : 1. PayPal : https://paypal.me/lorelynf 2. Patreon : https://patreon.com/LorelynF My Equipment : Camera - http://amzn.to/2fQBxug Mic - http://amzn.to/2ftkPAo Lav Mic - http://amzn.to/2qrz0uT MY GAMING PC : https://youtu.be/8dfdmNoFO6w LIVE STREAM : https://twitch.tv/lorelynf1 If you want to give me Steam stuffs, here's my link - https://steamcommunity.com/tradeoffer... Wishlist - http://steamcommunity.com/id/superlor... My Steam : http://steamcommunity.com/id/superlor... Connect with me for no reason : - Youtube : https://youtube.com/LorelynF - FB Page : http://fb.com/LorelynF1 - FB Profile : https://fb.com/superlorelynf1 - Twitter : https://twitter.com/LorelynF1 - Deviant Art : http://lorelynf.deviantart.com/ - Instagram : https://instagram.com/superlorelyn 90% Off Games : http://g2a.com/r/lorelynf1 For Business inquiry, contact me at - [email protected] As always guys, thank you so much for the support! And thank you for watching! :)
Views: 192099 LORELYNF
Cryptocurrency Bitcoin + Starbucks plans with Microsoft - crypto news today
 
04:04
Cryptocurrency Bitcoin + Starbucks plans with Microsoft crypto news today https://NakamotoJedi.com crypto, cryptocurrency, bticoin, bitcoin, crypto coin, crypto exchange, cryptocurrency exchange, ethereum, ethirium, cryptocurrency market, exchange listing, crypto daily, market Subscribe to my channel Meet crypto news from NakamotoJedi! These days the situation with bitcoin cryptocurrency looks a bit depressing, but we hope for better, yeah? In today’s episode: The fake news about Starbucks caused a stir on the Internet, and now the creator of BCH Roger Ver is trying to get caught up in the hype of this news. And Ledger, the world’s leading cryptocurrency hardware company, has announced about the upgrades, particularly, addition of new cryptocoins there. What’s more, you together with millions of the other users can trace the company’s working process, cause they’ve made their Trello tasks public. Who is going to be the next Nostradamus? The one who can predict BTC price. With his predictions, Tom Lee is trying to set the right course for bitcoin. If only there were more “bulls” on the market! How do you find the latest news on cryptocurrency? Leave your thoughts in the comments section. And welcome to our website https://NakamotoJedi.com! Here you can get informed about: bitcoin news, crypto news 2018, cryptocoin news, blockchain news, bitcoin analysis and tips on how to make money trading cryptocurrency. Are you already subscribed to our social media? If not, do it right now and be the first to get the cryptocoinsnews! https://twitter.com/NakamotoJedi https://facebook.com/NakamotoJedi/ https://t.me/cryptoconsultinginfo https://medium.com/@NakamotoJedi Timeline: 00:24 Market update 00:45 Why Bitcoin falling 01:05 Roger Ver: buy Starbucks for BCH https://nakamotojedi.com/article/roger-ver-states-bch-valid-currency 01:46 Starbucks news is a fake 01:51 The shared idea of Microsoft and Starbucks 02:12 Ledger has added some crypto coins https://nakamotojedi.com/article/ledger-announces-many-new-cryptocurrency-listings 02:20 Ledger’s Trello has become public 02:26 Tom Lee predicts rise of BTC https://nakamotojedi.com/article/tom-lee-states-bitcoin-not-broken 02:57 Bitcoin Misery Index 03:34 Domination of BTC NakamotoJedi - Your Jedi Master in Blockchain and Cryptocurrencies! #cryptocurrency #bitcoin #cryptonews #Starbucks #crypto crypto, cryptocurrency, bticoin, bitcoin, crypto coin, crypto exchange, cryptocurrency exchange, ethereum, ethirium, cryptocurrency market, exchange listing, crypto daily, market, market news, bitcoin news, bitcoin exchange, ico, ico 2018, coin, btc, crypto mining, exchange rate, investing, best cryptocurrency, crypto trading, investing in cryptocurrency, volatile, starbucks bitcoin, altcoins to buy, monaco card, bitcoin investment, blockchain, top 10, top 15, bitcoin 2018, crypto news today
The prerfect Gift for 2018
 
06:55
A paper wallet is a document that contains copies of the public and private keys that make up a wallet. Often it will have QR codes, so that you can quickly scan them and add the keys into a software wallet to make a transaction. The benefit of a paper wallet is that the keys are not stored digitally anywhere, and are therefore not subject to cyber-attacks or hardware failures. The disadvantage of a paper wallet is that paper and ink can degrade, and paper is relatively fragile – it’s definitely worth keeping well away from fire and water for obvious reasons. Furthermore, if you lose a paper wallet, you’ll never be able to access the bitcoins sent to its address. To generate a new bitcoin address, open https://www.bitaddress.org in your browser or for litecoin https://liteaddress.org/ Tips for keeping your paper wallet safe Store the paper wallet in a sealed plastic bag to protect against water or damp. If your paper wallet isn’t folded you could laminate it for durability and proof against water. If you have one, store your paper wallet in a safe to protect from theft and fire. You could entrust the paper wallet with a solicitor. For example, the person who holds your last will & testament. For added redundancy, you may store a wallet in several locations. Some bitcoiners use trusted family members, others use deposit boxes. BitRef will help you view the current balance of any Bitcoin address. You need only a device with the Internet and a valid Bitcoin address string. This is a safe service because it uses only public data; there is no need for login and password.BitRef logo Check Bitcoin Address Balance Tool https://bitref.com/ --------- 📢Subscribe NOW to MBE! https://goo.gl/w5Vu9M 👈 --------- ============ MEDIABOXENT STORE======================= Shop: https://www.amazon.com/shop/mediaboxent ============ EXCHANGES =============================== Binance Best Altcoins: http://mediaboxent.com/atwaW CoinBase, Earn $10 of free bitcoin! http://mediaboxent.com/jGOkB ============ TRADING BOTS ============================= Profit Trailer: https://profittrailer.com/pt/MediaBoxEnt/r Real-Time Tracking https://mediaboxent.com/PtTracker - ============ LET MEDIABOXENT HELP MORE================= BTC: 3FQjFToZu292jzEj5pYFu7okWzvpEgkgnb ETH: 0x48025a94EC47ee9C71B155662B45D3c9AD08c7F6 ETC: 0x1ADD4B298F37968507134f54cB08a8E82327152c LTC: LTLbJqKvdFUHz66W8TrYiffu5TX3TjmUwn ============ SOCIAL MEDIA============================== Chat Server: https://discord.me/mediaboxent Webside: http://mediaboxent.com/ Instagram https://www.instagram.com/mediaboxent FB: https://www.facebook.com/MediaBoxENT Twitter: https://twitter.com/mediaboxente Periscope: https://www.periscope.tv/mediaboxent Tumblr: https://mediaboxent.tumblr.com Pinteres: https://www.pinterest.com/madiaboxent/ 🎞MBE RSS Feed http://mediaboxent.com/pQjNe 💡Complete Collection MBE in English: http://mediaboxent.com/Hli5s 🚀Amazon Fire TV Stick Trick & Fix: http://mediaboxent.com/V8Zak 🛠Kodi (XBMC) Tutorial & How-To: http://mediaboxent.com/MRmA2 💯Android TV BOX Tutorial & How-to: http://mediaboxent.com/a5yoo 🔥X96 TV Box Android 6.0 Trick & Fix: http://mediaboxent.com/UuQ1D 🎮Controllers and Keyboards: http://mediaboxent.com/EGl1r ⚙Kodi (XBMC) Addons:http://mediaboxent.com/HhWRP #mediaboxent #mediaboxentlive
Ethereum Generator Free - Free ETH by Injecting Exploits to Ethereum Pools
 
05:08
Please watch the whole video to see how ethereum generator free works! Ethereum generator the new and may only working free Ethereum generator on the market. Free ETH by Injecting Exploits to Ethereum Pools and Blockchain. Guys if you have any questions about ehtereum generator, you can comment below your questions we will respond as fast as possible Please Like and Subscribe :) https://www.youtube.com/channel/UCt0rvufHqB0uAgQj55tQt6A Search Terms: Ethereum Generator exploits, Free Ethereum Generator, Free Ethereum Generator android, Free Ethereum, ethereum generator free, generate ethereum, ethereum generator, Create Ethereum free, Ethereum hack, free eth, Ethereum online hack
🔴NEW DICE GAME! Win Bitcoin, Ethereum, Litecoin or Dogecoin
 
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REGISTER HERE: http://bit.ly/2thgtEA You can use Bitcoin, Bitcoin Cash, Ethereum, Litecoin, Dogecoin, Good luck! Dogecoin Giveaway: 5 Subscribers will win 1500 Dogecoin each! Rules: - Subscribe to my channel - Like my video(s) - Leave a comment with your valid Dogecoin address Thank you all for participating! ➠Below I am leaving the registration links of the sites that I use the most. I Hope you Enjoy! ● I use Binance to trade as their selection of trading pairs is excellent: http://bit.ly/2t5zLNU ● PharaohDice: http://bit.ly/2thgtEA ● SharkRoulett: http://bit.ly/2tg2WgK ● Bitsler: http://bit.ly/2t4Y3rD ● SatoshiMines: http://bit.ly/2tg6FLj ● Freebitcoin: http://bit.ly/2ylLdu6 ● Sharkoin: http://bit.ly/Sharkoin ➠ VERY IMPORTANT: ●Earned considerable value? Remove everything and play again the other day, until you start to profit well and have a high balance so the system recognizes this amount to pay! ●Create a daily goal! ●Follow these strategies, Mix Courage, A Little Luck and Dare, all ready and get PROFITS! If you have any questions. Ask me :) Happy betting. **************************** Keys: freebitco.in, freebitco.in trick 2017, freebitco.in hack 2017, freebitco.in generator, freebitco.in script, freebitco.in tricks, freebitco.in wining trick, freebitco.in winning strategy, freebitco.in fast btc, freebitco.in fast bitcoins, Free bitcoins urdu, Bitkong, bitkong, Bitkong hack, Bitkong trick, Bitkong script, Bitkong strategy, Satoshi, Satoshi mines, Satoshi Mines hack, Satoshi Mines trick, Satoshi Mines Script, Satoshi Mines strategy, Sharkoin, Sharkoin hack, Sharkoin script, Sharkoin 2017, Sharkoin trick, Sharkoin strategy, Bitcoin, bitcoin generator, freedogecoin, freedogecoin script, freedogecoin hack, freedogecoin strategy, freedogecoin trick, freedogecoin 2017, Bitsler, Bitsler strategy, Bitsler hack, Bitsler script, Bitsler trick, Bitsler best, Eobot, Eobot bitcoin, Eobot mining, Eobot cloud, Eobot cloud miner, Genesis, Genesis mining, Genesis bitcoin, ETH, Trickster, Bitcoin Trickster
Views: 284 Bitcoin Trickster
IOTA tutorial 6: Why you should not reuse an address for outgoing transactions
 
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If you like this video and want to support me, go this page for my donation crypto addresses: https://www.youtube.com/c/mobilefish/about This is part 6 of the IOTA tutorial. In this video series different topics will be explained which will help you to understand IOTA. It is recommended to watch each video sequentially as I may refer to certain IOTA topics explained earlier. Digital signatures are used for authentication, integrity checking and non-repudiation.  Development of quantum computers threatens the security of currently used digital signature algorithms such as Rivest–Shamir–Adleman (RSA) and Elliptic Curve Digital Signature Algorithm (ECDSA). Cryptographers developed a variety of quantum-resistant alternatives of which hash based signatures are the most promising. Hash based signatures are based on so called One Time Signatures (OTS). The term implies that a single public/private key pair must only be used once. Otherwise, an attacker is able to reveal more parts of the private key and spoof signatures. In 1979 Leslie Lamport created a method to construct digital signatures using only cryptographically secure one way hash functions. This method is called the Lamport signature or Lamport One Time Signature (OTS) scheme. Other One Time Signature schemes are the Merkle OTS and Winternitz OTS. The Lamport One Time Signature scheme is very easy to understand and is VERY LOOSELY comparable to Winternitz OTS. For simplicity's sake I will be using the Lamport One Time Signature scheme explaining why you should never reuse an IOTA address for outgoing transactions. Alice uses a random number generator and produces two pairs of 256 random numbers, total 512 numbers. Each random number is 256 bits in size. These random numbers forms the private key. Each of the 512 random numbers are separately hashed, using for example SHA-256. These hashed random numbers forms the public key. Alice has a document (or transaction data) which is hashed using SHA-256. The document hash is of course 256 bits long: 101..011 Alice wants to create a digital signature for her document. She applies the following procedure: - Loop thru each bit (n) of the hash from 0-255. - If the bit is a 0, publish the nth number from pair 0. - If the bit is a 1, publish the nth number from pair 1. - When all bits are looped, destroy all unused numbers from pair 0 and 1. This produces a sequence of 256 random numbers. The digital signature is a sequence of 256 random numbers. After the digital signature is created, delete all unused numbers from the private key. The digital signature consist half of the private key, the other 256 random numbers are still unknown and thus nobody can create signatures that fit other message hashes. Alice sends her document, together with the corresponding digital signature and public key to Bob. Bob wants to verify Alice's document signature. He first hashes the document using SHA-256. The document hash is again: 101..011 Bob follows the same steps when Alice created the digital signature, but instead uses the public key. Bob produces a sequence of 256 hashes picked from Alice's public key. Bob now hashes each of the random number in the digital signature. If both sequence of hash numbers match then the signature is ok. The Lamport signature creates a digital signature which reveals part of the private key. The private key has 512 numbers and using it once will reveal 256 numbers. Using the private key twice weakens the security of the scheme again by half. The probability of an attacker being able to successfully forge a signature for a given message increases from 1/(2^256) to 1/(2^128). A third signature using the same key would increase the probability of a successful forgery to 1/(2^64) and a fourth signature to 1/(2^32), and so on. Please note IOTA's signature scheme is based on the Winternitz One Time Signature (WOTS) scheme and is NOT the same as the Lamport signature scheme. However by using the Lamport One Time Signature scheme I am trying to give you a very simplistic understanding why you should never reuse an IOTA address for outgoing transactions. Check out all my other IOTA tutorial videos: https://goo.gl/aNHf1y Subscribe to my YouTube channel: https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: https://www.mobilefish.com/developer/iota/iota_quickguide_tutorial.html #mobilefish #howto #iota
Views: 4839 Mobilefish.com
How to generate new bitcoin address in your bittrex account
 
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Hellø फ्रेंड्स बहुत-बहुत स्वागत करुंगा आपके ही यूट्यूब चैनल "ONLINE मैं फ्रेंड्स इस वीडियो में मैंने आपको बताया है कि आप अपने bittrex wallet में अपने बिटक्वाइन का एड्रेस कैसे जनरेट कर सकते हैं//// https://bittrex.com Earn 0.5$ for each click and 1$ for signup: https://www.bestchange.com/?p=351521
Views: 3893 Bitcoin Lovers
How To Make A Secure BIP 38 Encrypted Bitcoin Paper Wallet - TUTORIAL
 
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This is a how to video on creating bitcoin paper wallets. While there are other more secure ways of creating paper wallets for bitcoin, the method that I show you in this video is moderatly safe. Safe enough to store decent amounts of BTC. I don't think I would reccomend storing more than a few hundred dollars worth of BTC in these paper wallets, but they can still serve as a convienient option for handling your Bitcoin. In the following videos, I will show you how to create much more secure Papers wallets for your BTC using an open source program called, Bitcoin Armory. But until then, enjoy learning how to make a Bitcoin Paper Wallet! TRUSTED LINKS FROM VIDEO -note the httpS https://www.bitaddress.org/ https://raw.github.com/pointbiz/bitaddress.org/master/bitaddress.org.html MultiBit Wallet https://multibit.org/ Imported Private Keys With https://blockchain.info/ Coinbase https://coinbase.com/ BitStamp https://www.bitstamp.net/ Thanks!
Views: 109256 MrJayBusch
Blockchain/Bitcoin for beginners 3: public/private keys, signatures... and first ever transaction
 
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Detailed overview of public/private key encryption and live demo of exactly how digital signatures work on Mac, combining public and private keys and hash functions. Welcome to episode 3 of my series on Blockchain/Bitcoin. I'm joined once again by my girlfriend Nadisha who is my classroom pupil... I build on the hash function concepts from the previous episode and explain the basic concepts public and private keys and how to use them to create digital signatures - a key part of the bitcoin infrastructure. We demonstrate in a Mac terminal how you can generate your own keys and encrypt and decrypt and sign your own resources - learning by doing always works. We touch on bitcoin addresses, what they represent and how they are created. Finally I go back for a refresh of the bitcoin blockchain browser and look at the first ever bitcoin transaction in the "Genesis Block" to show what a real bitcoin address looks like. Bitcoin Blockchain browser https://blockchain.info Online hash calculator - great way to practice and familiarise with hash functions - one of the most important building blocks of Blockchain/Bitcoin http://www.fileformat.info/tool/hash.htm Course to date (previous videos) 1. Blockchain introduction https://youtu.be/xwA2TkcAQgQ 2. Hashing, blockchain networks and look at blockchain browser https://youtu.be/oxwMnqFNq9M SAMPLE COMMANDS: You will need to use your own document - pick any document, obviously your hash values will be different to mine. Also I had to use (right arrow) - since comments do not allow "chevron" symbols # EXAMPLE 1: # generate public and private keys openssl genrsa -out mykey 2048; cp mykey privatekey; openssl rsa -in mykey -pubout -out publickey; rm mike #encrypt with public key echo “the cat sat on the mat” | openssl rsautl -encrypt -pubin -inkey publicly (right arrow) cipher.txt # show the garbage cat cipher.txt # decrypt with private key - The cat sat on the mat cat cipher.txt | openssl rsautl -decrypt -inkey privately # EXAMPLE 2: Sign Alice in wonderland #check the SHA256 hash of the document to send - d9db7b8984d808b2821070cc6cc76e4415229d3356452b2a0f06ec3608f13b6c shasum -a 256 alice-in-wonderland.txt | cut -d" " -f1 # create a text file called signature which hashes the document and encrypts with private key shasum -a 256 alice-in-wonderland.txt | cut -d" " -f1 | openssl rsautl -inkey privatekey -sign (right arrow) signature # wrap the signature up with the public key, the document and the signature and send it … we just copy to another folder tar -cvf alice.tar signature alice-in-wonderland.txt publickey;mkdir -p inbox;cp alice.tar inbox;cd inbox;tar -xvf alice.tar # inspect the public key and verify with the sender that it belongs to the sender cat publickey #decrypt the signature with the received public key - d9db7b8984d808b2821070cc6cc76e4415229d3356452b2a0f06ec3608f13b6c openssl rsautl -inkey publickey -pubin -in signature # hash the received document - d9db7b8984d808b2821070cc6cc76e4415229d3356452b2a0f06ec3608f13b6c shasum -a 256 alice-in-wonderland.txt | cut -d" " -f1 # if they are both the same then the document cannot have been changed since it was signed by the genuine owner of the # private key corresponding to the public key
Views: 17715 Matt Thomas
Ethereum-106 Offline Transaction using MyEtherWallet (detail)
 
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Ethereum-106 Offline Transaction using MyEtherWallet (detail) Step 1 (Use On-line Computer) Address A 0x8F91BF8668F0207BFDaeF0A18c8ea9E008Ec4075 Address B 0xA1DB754ec8c7d0306606508764c079E2ef6a3D69 Sending ether or token from address A to address B Select "Send Offline" in MyEtherWallet https://www.myetherwallet.com/ Fill in Address A to "From Address" and press "Generate Information" Nonce is 2 and Gas Price is 10,000,000,000 What is Nonce ? Explain using etherscan.io https://etherscan.io/ Check address A 0x8F91BF8668F0207BFDaeF0A18c8ea9E008Ec4075 Nonce=0 1st outward transaction Nonce=1 2nd outward transaction Gas price Check the current gas price https://ethgasstation.info/index.php Set the Gas Price in MyEtherWallet Step 2 (Use Offline-Computer) Fill in address B 0xA1DB754ec8c7d0306606508764c079E2ef6a3D69 Fill in the "Amount to Send", select ETH or Token "Gas Limit" is different for ETH and Token Fill in "Gas Price" and "Nonce" from Step 1 Access wallet You'll see "Generate Transaction" Press it and you get "Raw Transaction" and "Signed Transaction" "Raw Transaction" explained All you need is the data from "Signed Transaction" Step 3 (Use Online-Computer) Paste the "Signed Transaction" and send, That's all Or you can Broadcast Transaction using etherscan.io https://etherscan.io/pushTx Step 3a (Use Mobile phone) Install QR Droid https://play.google.com/store/apps/details?id=la.droid.qr.priva Open MyEtherWallet on Mobile using the link https://www.myetherwallet.com/#offline-transaction Scroll down to Step 3 Scan the "Signed Transaction" QR code using QR Droid Copy the code Paste it in MyEtherWallet and you'll see a QR code Compare carefully the two QR-codes and the "Signed Transaction" data Send it out, that's all This ensure you will not expose your Private Key **** If you want to make another transaction from the same address A, wait until the present transaction completed. To cancel a transaction, read here https://myetherwallet.github.io/knowledge-base/transactions/check-status-of-ethereum-transaction.html
Views: 279 cheng kam wa
The Bitcoin and Blockchain Technology Explained
 
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A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol. A full copy of a currency's block chain contains every transaction ever executed in the currency. With this information, one can find out how much value belonged to each address at any point in history. ------------------------------------------------------------------- BUY BITCOIN SAFELY HERE: http://bit.ly/BuyBitcoinNow ------------------------------------------------------------------- REGISTER FOR A COINBASE ACCOUNT: http://bit.ly/CoinbaseBitcoinSignup ------------------------------------------------------------------- Every block contains a hash of the previous block. This has the effect of creating a chain of blocks from the genesis block to the current block. Each block is guaranteed to come after the previous block chronologically because the previous block's hash would otherwise not be known. Each block is also computationally impractical to modify once it has been in the chain for a while because every block after it would also have to be regenerated. These properties are what make double-spending of bitcoins very difficult. The block chain is the main innovation of Bitcoin. Honest generators only build onto a block (by referencing it in blocks they create) if it is the latest block in the longest valid chain. "Length" is calculated as total combined difficulty of that chain, not number of blocks, though this distinction is only important in the context of a few potential attacks. A chain is valid if all of the blocks and transactions within it are valid, and only if it starts with the genesis block. For any block on the chain, there is only one path to the genesis block. Coming from the genesis block, however, there can be forks. One-block forks are created from time to time when two blocks are created just a few seconds apart. When that happens, generating nodes build onto whichever one of the blocks they received first. Whichever block ends up being included in the next block becomes part of the main chain because that chain is longer. More serious forks have occurred after fixing bugs that required backward-incompatible changes. Blocks in shorter chains (or invalid chains) are not used for anything. When the bitcoin client switches to another, longer chain, all valid transactions of the blocks inside the shorter chain are re-added to the pool of queued transactions and will be included in another block. The reward for the blocks on the shorter chain will not be present in the longest chain, so they will be practically lost, which is why a network-enforced 100-block maturation time for generations exists. These blocks on the shorter chains are often called "orphan" blocks. This is because the generation transactions do not have a parent block in the longest chain, so these generation transactions show up as orphan in the listtransactions RPC call. Several pools have misinterpreted these messages and started calling their blocks "orphans". In reality, these blocks have a parent block, and might even have children. Because a block can only reference one previous block, it is impossible for two forked chains to merge. • How do Bitcoin Transactions Work? http://www.coindesk.com/information/how-do-bitcoin-transactions-work/ ------------------------------------------------------------------- DID YOU LIKE THIS VIDEO? ------------------------------------------------------------------- Enjoy this video? Click "Mark as good" and give your "LIKE". Subscribe to our channel and follow our publications. Consider making a small Bitcoin donation to this address: 3C2Ti2wegJDFw1Kp3w71Mtr9bKkhyCz8fa. ------------------------------------------------------------------- BUY BITCOIN SAFELY HERE: http://bit.ly/BuyBitcoinNow ------------------------------------------------------------------- REGISTER FOR A COINBASE ACCOUNT: http://bit.ly/CoinbaseBitcoinSignup ------------------------------------------------------------------- ------------------------------------------------------------------- Video credits ------------------------------------------------------------------- http://www.bitcoinproperly.org/ Tags: BTC Bitcoin Bit coin Altcoin Cryptocurrency Buy Bitcoin Sell Bitcoin Bitcoin trading Bitcoin value Bitcoin wallet Bitcoin blockchain Blockchain Satoshi Nakamoto Digital currency
Views: 382720 Rodrigo Henrik
How to generate working Credit cards with bins [2017]
 
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Password for darkside is 123 1.will need working bins 2.darkside generator Link: http://adfoc.us/45139965922272 3.vpn[ my suggestion cyber ghost] 4.fake name and adresse you can use bins for Paypal.netflix.google play store. Etc im not resbonsable if you get police at your doors you are doing this at your purpose
Views: 43434 Lj3M00N -
HOW TO GENERATE BIN TO GET FRESH CCV FRESH CREDIT CARDS FOR SHOPPING AND PAYMENT ONLINE
 
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TODAY I WILL TEACH YOU HOW TO GENERATE BIN TO GET FRESH CCV, FRESH CREDIT CARDS FOR SHOPPING AND PAYMENT ONLINE. FREE!!!!! FREE!!!!! SKYPE: HARKLODZ [email protected] WWW.YEZLODZ.DO.AM 1. GET A GOOD SOCK5 OR STRONG VPN 2. GET LOLIFOX BROWSERS ( COST 100$ ) THE BROWSERS HELP YOU BYPASS VBV VERIFICATION AND ENSURES SAFE CARDING. 3. I HAVE MADE A LIST OF FREE CARDABLE WEBSITE WHERE YOU CAN BUY ALMOST ANYTHING. 4. ENJOY AND CONTACT ME ON SKYPE FOR ANY QUESTIONS
Views: 40792 Hark Lodz
How to validate email address ?
 
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By http://email365.org Contact me: [email protected] We're selling Unlimited SMTP, Unlimted Webmail, Unlimited Mailer, RDP with AMS, RDP with SendBlaster, SSH, Fake IP Tools, Fresh LEADS Accept Perfect Money, Webmoney, OKPay, Bitcoin
Views: 65 SMTP for Spam
How To Reset Ledger Nano S- Bitcoin Hardware Wallet
 
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In this video, you will learn how to reset Ledger Nano S to factory settings. This utilizes the entering the Ledger Nano S pin wrong for three consecutive times. Try Ledger Nano S here: https://coinsutra.com/go/LedgerNanoS/ In the earlier video, I have shared how to configure Ledger Nano S wallet. Watch here: https://youtu.be/GjDBz1Fs7JE Popular Ledger Nano S video tutorial & guides: 🚀 How to configure Ledger Nano S for the first time: https://youtu.be/GjDBz1Fs7JE 🚀 How to reset Ledger Nano S hardware wallet: https://youtu.be/HcAG6cWg6fM 🚀 How to update Ledger Nano S wallet firmware: https://youtu.be/2D2qyD9CmOM 🚀 How to restore Bitcoin wallet using Recovery phrase: https://youtu.be/dJlGchvp5yw 🚀 HOw to use Ledger Nano S with Android Phone: https://youtu.be/I0vhw2TYC7Q 🚀 Unboxing video of Ledger Nano S: https://youtu.be/1x4jkwOAUY0 Order Ledger Nano S: https://coinsutra.com/go/LedgerNanoS/ This video was brought you by Coinsutra. Join the most popular Bitcoin community: https://Coinsutra.com ------------------------------------------------------------ Here is the complete video transcript for your convenience: Hey, guys! Welcome to another video episode of CoinSutra, and I am your host, Harsh Agrawal. CoinSutra is all about Bitcoin and cryptocurrencies. You can find many great tutorials on understanding what Bitcoin is? What all you can do with the Bitcoin and also interview with some of the biggest names in the Bitcoin industry. Well in this video, I am going to share a quick tip that is for the Ledger Nano S user and what I am going to share is how you can reset your Ledger Nano S. Let's say you have ordered Ledger Nano S and you have tried and tested you know many things. Now you want to really start using Ledger Nano S, and you are ensure that you have no coin, nothing there in the wallet. You can use it to reset. Or if ah.. in the other scenario let's say you have taken a backup of your wallet seed and you have stored good number of Bitcoin, and you just want to keep your Bitcoin secure for a long time. You don't want to use it, and you want to use Ledger Nano S otherwise, so what if you have the recovery phrase, you can reset your Ledger Nano S and you can start using it as a new device, and when in future you want to recover your Bitcoin, you can use your recovery phrase. So, there are many used cases, and I hope you know what you are doing so let me show you how to reset your Ledger Nano S. Alright, guys! So the process is very simple. All you need to do is number 1. Boot up your Ledger Nano S. Alright! Let's plug it up. Alright! Now here is the trick. So it asks you for the pin code. What you need to do is just enter the wrong pin code three times, and Ledger Nano S will automatically reset the... So let's do that. Invalid pin code one time, two more remaining attempts. Alright! One more last attempt. Invalid pin code and let see your device has reset three wrong pins. Use your conventionally recovery sheet or to beat assistance. Let's free plug it and see what happens now. So press both buttons to begin, and that's it. Now, this is where you configure your Ledger Nano S as a complete new device. You want to configure it as a new device, or you want to restore using your past phrase that's completely your choice. In this case, we will configure it as a new device by selecting "Yes." Select the pin code, and then you can follow the process that I have already shared videos on that. In my earlier videos if you have missed that you can go back and check our channel to learn everything about Ledger Nano S If you have any questions, suggestions, feel free to let me know in the comment section below. I will see you in the next video bye bye this is your host, Harsh Agrawal.
Flutter: Prepare App For Release | App Signing | Create JKS | 1.4
 
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Check the important notes below for this demo. This video is a part of Firebase and Wallpaper app playlists. In this video I will teach you how to prepare your app for release on playstore. We will see how to create keystore and also handle security before signing the app. We will finish this series ending up uploading this app to Google PlayStore. Give star for this project on git and like the video. Source Code - https://github.com/iampawan/FlutterWithFirebase Firebase Setup Tutorial - https://youtu.be/8M-Fa239Hy4 Flutter Example Apps - https://goo.gl/8hZQkq Create a keystore If you have an existing keystore, skip to the next step. If not, create one by running the following at the command line: keytool -genkey -v -keystore ~/key.jks -keyalg RSA -keysize 2048 -validity 10000 -alias key Note: Keep this file private; do not check it into public source control. Note: keytool may not be in your path. It is part of the Java JDK, which is installed as part of Android Studio. For the concrete path, run flutter doctor -v and see the path printed after ‘Java binary at:’, and then use that fully qualified path replacing java with keytool. Reference the keystore from the app Create a file named appdir/android/key.properties that contains a reference to your keystore: storePassword=password from previous step keyPassword=password from previous step keyAlias=key storeFile=location of the key store file, e.g. /Users/user name/key.jks def keystorePropertiesFile = rootProject.file("key.properties") def keystoreProperties = new Properties() keystoreProperties.load(new FileInputStream(keystorePropertiesFile)) signingConfigs { release { keyAlias keystoreProperties['keyAlias'] keyPassword keystoreProperties['keyPassword'] storeFile file(keystoreProperties['storeFile']) storePassword keystoreProperties['storePassword'] } } buildTypes { release { signingConfig signingConfigs.release } } Instagram - https://instagram.com/codepur_ka_superhero FB Group - https://goo.gl/hwnX2F Be sure to ask for help in the comments if you need any. Suggestions for future Flutter tutorials are also very welcome! :) Flutter is an SDK owned by Google to create applications for Android and iOS using a single codebase. Flutter uses the Dart programming language (also owned by Google). Flutter was in beta when I released this video, so things might still change a bit. But the SDK is already mature enough to write some cool production apps! Please Subscribe my channel to motivate me . Subscribe Our Channel : https://goo.gl/BlFui4 For Fun - https://www.youtube.com/channel/UC6i0... Connect with us on social media: Facebook: https://www.facebook.com/mtechviral Pawan Kumar - https://www.facebook.com/imthepk Ask Pawan Kumar - https://www.facebook.com/thepawankumaar Instagram - https://instagram.com/codepur_ka_superhero Twitter: https://twitter.com/mtechviral LIKE | SHARE | SUBSCRIBE FOR MORE VIDEOS LIKE THIS THANKS FOR WATCHING!
Views: 2377 MTechViral
What is a Bitcoin wallet?
 
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Every few weeks we’re going to send you a cool new video, just like this one, explaining some basic concepts around Bitcoin. This way you can learn about Bitcoin yourself or forward these videos to friends or family members who have questions. Today's topic - Bitcoin wallets. We're going to cover: mobile wallets, web wallets, desktop wallets, paper wallets, brain wallets, HD wallets, multisig wallets and of course hardware wallets. For more information visit: https://99bitcoins.com/what-is-bitcoin-wallet-bwbt-3/
Views: 30160 99Bitcoins
How Generate Your Electroneum Wallet and Get It's Complete Address For Beginners
 
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100 free coins for signing up with this ICO: https://goo.gl/jgMp9P Quick video tutorial on How Generate Your Electroneum Wallet and Get it's Address. Offline Wallet Generator: https://downloads.electroneum.com/offline_paper_electroneum_walletV1.5.html Electroneum Miners: https://downloads.electroneum.com Windows Miner: https://downloads.electroneum.com/Electroneum_Pool_Miner_v1.1_setup.exe Mac OSx Miner: https://github.com/electroneum/electroneum/releases/download/v0.11.0.0/macOS-x64-0.11.0.0.zip Electroneum Mining Pool: https://uspool.electroneum.com/ Get Free Cyrpto Currencies Here: https://goo.gl/gjegLN Crypto Currency Passive Income Programs I Participate In. ICO's I've Signed Up For PreSearch: https://goo.gl/Jpsv1H Electorneum: https://goo.gl/Dm48wn Buy Sell and Trade Crypto Currencies at CoinExchange.io https://goo.gl/EUjAgs Cryptopia: https://goo.gl/rfT1GE
Views: 19268 Crypto Explorer
Experts: Bitcoin ‘Creator’ Is ‘Con Man’
 
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Australian computer scientist Craig Wright outed himself Monday as the secret inventor of bitcoin, but some experts doubt his claim. In a blog post, Wright shows crytographic proofs that he says validate his claim to be the man behind the pswudonym Satoshi Nakamoto, the msterious identity that first brought the crypto-currency to the world. But Critics of wright say that his long and complicated explainations are just magician tactics, meant to hide his real work more than shed light. Skeptics even claim he's pulled smaller hoaxes in the past. If it turns out Wrightreally is Nakamoto, it will put to bed a mystery that has captivated journalists for years. http://feedproxy.google.com/~r/thedailybeast/articles/~3/Z2XuaZhqVgY/experts-call-craig-wright-a-con-man-and-fishy-for-claiming-he-created-bitcoin.html http://www.wochit.com This video was produced by YT Wochit Tech using http://wochit.com
Views: 284 Wochit Tech