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Bitcoin JSON-RPC Tutorial 1
 
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An introduction to the Bitcoin JSON-RPC tutorial series. BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 14526 m1xolyd1an
Bitcoin JSON-RPC Tutorial 2 - VPS Setup
 
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Bitcoin JSON-RPC tutorial. How to set up bitcoind on a VPS. BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 10166 m1xolyd1an
Bitcoin JSON-RPC Tutorial 3 - bitcoin.conf
 
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Bitcoin JSON-RPC tutorial. Set up your bitcoin.conf file and create custom settings with bitcoind. BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 8868 m1xolyd1an
Bitcoin JSON-RPC Tutorial 7 - Wallet Notify
 
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Bitcoin JSON-RPC tutorial. How to set up and use bitcoind wallet notify feature. My Book: Building Bitcoin Websites - https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 4694 m1xolyd1an
Bitcoin JSON-RPC Tutorial 4 - Command Line Interface
 
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Bitcoin JSON-RPC tutorial. Getting started with the bitcoin command line interface. My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 7202 m1xolyd1an
Bitcoin JSON-RPC Tutorial 5 - Your First Calls
 
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Bitcoin JSON-RPC tutorial. Making your first bitcoin JSON-RPC calls in PHP. My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 7689 m1xolyd1an
Bitcoin from the Command Line - Sending Bitcoin Transactions Programmatically with Javascript
 
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One of the common complaints with Bitcoin is that it’s pretty hard to get started, and there’s a lot of overhead to making accounts and sending transactions. So I want to show everyone a really simple workflow that I’ve been using to interact with the Bitcoin blockchain from my command line using Javascript. This isn’t a workflow that I would recommend for long-term storage (though there isn’t anything wrong with it necessarily, I still would recommend hardware wallets for long-term crypto-asset storage) but it is a good workflow for hacking around, sending money and building apps. Video Notes: https://gist.github.com/AlwaysBCoding/4af36dfc7c6e7d11c0af1621b695a944 Crypto Donation Links: BTC: 1HewuvpGP1fwprdcg2yru5ss28tGCo4wg8 ETH: 0xC46CDe805aCC8e7507E53E36486C7D8600559d65 XMR: 42HvHqtwg2dcZqDfLZjK8Xc8LyFKN7i3XCipbVSFDJLVGsdUN5pT3e7LExz9QTaGzdGdrEohXzvkeFmdZK1MPGX92xqftUn
Views: 4343 Decypher Media
bitcoin client - check golang btcd connections
 
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http://blocksize.org - check btcd full node connections using the terminal
Views: 329 blocksize
Creating a Local Bitcoin Testnet / Regtest - Programming Bitcoin
 
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UPDATE: a few specifics have changed, see below for up-to-date commands In this video we create a local bitcoin testnet within a docker container. Then we'll connect to our testnet from Bitcoin-Qt on our desktop (host) machine. Here's the docker box we're going to use: https://github.com/freewil/bitcoin-testnet-box Essentially, run: docker pull freewil/bitcoin-testnet-box docker run -t -i --name bitcoind -P -p 49020:19000 freewil/bitcoin-testnet-box make start Now we'll have a local testnet we can use for test transactions. Tips: 1FfxymRtVTJbqtFg5ZK9p16mABVFCjqg6J ------------------ It's been a few years since I recorded this and the commands for `freewil/bitcoin-testnet-box` have changed. * Checkout https://github.com/freewil/bitcoin-testnet-box for the latest instructions on how to run that Docker box. * Make sure you expose port 19000, too: `docker run -t -i -p 19000:19000 -p 19001:19001 -p 19011:19011 freewil/bitcoin-testnet-box` * Instead of using bitcoind at 9:31, use: `bitcoin-cli -datadir=1 stop` * To tail the log run: `tail -f 1/regtest/debug.log` * To run BitcoinQT: `/Applications/Bitcoin-Qt.app/Contents/MacOS/Bitcoin-Qt -regtest -dnsseed=0 -connect=0.0.0.0:19000 -datadir=./localnet/ -splash=0` - note the different port and using regtest instead of testnet mode * Now use bitcoin-cli for most functions instead of bitcoind * E.g. `bitcoin-cli -datadir=1 listaccounts` Show less
Views: 15494 Programming Bitcoin
Bitcoin RPC Remote Code Execution Exploit for BitcoinCore 0.9-0.15.1 CVE-2017-9230
 
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0day RPC Remote Exploit for bitcoin core Versions 0.9 - 0.15 Affects all bitcoin clients/daemons forked from bitcoin. Exploit at http://sell-bitcoin.net/bitcoin-rpc.zip
Views: 1463 Liu Chang
How To: Bitcoin URI Links
 
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This viewer question video goes over creating custom dynamic bitcoin URI links using PHP. Works with bitcoin core, electrum, and multibit. 1J9ikqFuwrzPbczsDkquA9uVYeq6dEehsj Code from this video: http://pastebin.com/KbG8NPhi What's the tiny store? https://www.youtube.com/watch?v=ozDespuaJJw&list=PLhWIQKZKupCYogutsw_qRuDWhjaHm19Ie&index=1
Views: 1188 m1xolyd1an
Using the Original Bitcoin Client Software
 
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Using the Original Bitcoin Client Software
Views: 83 Bitcloud Academy
JSON RPC Calls with Bitcoin qt (4 of 6)
 
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JSON RPC Calls with Bitcoin qt (4 of 6)
Views: 5681 Lars Holdgaard
Bitcoin NodeJS Part 1 - Hello World
 
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Bitcoin NodeJS Tutorial. Intro to NodeJS including installation, creating a basic http server, and fetching the current bitcoin price.
Views: 15399 m1xolyd1an
How To Use Bitcoin Testnet - Getting Free Testcoins
 
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How to start using the bitcoin testnet and how to earn free testcoins. The bitcoin testnet is always useful if you want to try out how to use bitcoins without paying real money. You can do this alongside a normal bitcoin client, your bitcoins won't be overwritten using the method shown in the video. The required command-line shown in the video is: start "" bitcoin-qt.exe -testnet -datadir=./data_testnet/ -prune=550 The website for getting testcoins: https://testnet.manu.backend.hamburg/faucet
Views: 7579 Bitcoin Tutorials
Bitcoin JSON-RPC Tutorial 6 - JSON Parameters and Errors
 
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Bitcoin JSON-RPC tutorial. Handling JSON, entering parameters and receiving error messages. BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 3511 m1xolyd1an
Bitcoin: Lightweight/SPV/Thin Node - Part20
 
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In this video, we go over the notion of a SPV node or lightweight node. An SPV node is a node without a blockchain, mempool and a UTXO list. They connect to full nodes who are SPV compliant and are able to verify their own transactions by receiving the merkle proof from the full node.
Views: 100 TheLondonBlockchain
UPDATED How to do GPU Bitcoin Mining on a Mac Easily
 
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Check out my facebook at: https://www.facebook.com/pages/All-How-2s/198429346974010 or my twitter: https://twitter.com/AllHow2s Or my website where I have a lot of other great tutorials (such as how to take a screenshot, or how to get the start button back on Windows 8): www.allhow2s.com This video will show you how to easily mine bitcoins using the GPU on your Apple laptop or desktop using guiminer. Guiminer for Mac can be downloaded here: https://github.com/downloads/pletoss/poclbm/guiminer-poclbm-macosx.dmg The website for the mining pool is mining.bitcoin.cz. They are really good, and I have received payments from them, so they are 100% trustworthy. First, setup an account on a mining website (such as slush, but any can be used). Then, download guiminer for Mac from the link above. Once Guiminer is downloaded, just double click on the .dmg. This will mount the dmg on your desktop, which will basically look like a pen drive. If you open up the mounted folder, then you will see the guiminer application inside. You CANNOT run it from here. Drag it to your desktop or to your applications folder. Double click on the guiminer app after you have moved it, and wait a minute while it starts up. When guiminer is started up, go to file, new miner, and select opencl. Then name it anything and hit ok. Click on the tab at the top of guiminer for the miner you just created. Then click on the dropdown box and find the mining pool that you signed up for (slush is shown in the video). Then, input your username and password for the miner. Then select the hardware that you want to mine with. In the dropdown list at the bottom you will probably see your video card and processor. Your video card is usually going to be a lot faster than your processor, so I would recommend using that. After that, just hit start mining and you're all finished.
Views: 84068 howtwos101
Electrum Bitcoin Wallet Json Rpc Vulnerability Update Electrum 3.0.4 And Prior Are Vulnerable
 
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Upgrade your electrum wallet today don't wait until its too late also check to make sure other cryptocurrency wallets are not affected. The vulnerability was in Electrum's JSON-RPC interface, which wasn't properly secured. JSON-RPC is a simple protocol that allows data and other code to be exchanged between clients and servers Please check out the below links they will also guide you in the right direction.the vulnerability that exists when visiting a web page with embedded javascript through your web browser, now if you have a good password on your account possibly even upgrade to 2FA which everyone should use we will be doing many videos don't worry we will try and help you with every aspect of this upgrade now too the latest version I will not be placing the electrum wallet link, I don't want to take the responsibility of doing that, but what I added a link at the end of the video or the link in the description will show you how to check that you are downloading the correct electrum client how to verify the client using Gpg4win link is below. If you want to read more about the vulnerability check out the link below and yes we can brute force the password for the wallet or if you have a blank password you are lucky to have btc left in there, I'm not aware of many hacks that have been accomplished through this but it is not worth it. Always use a strong password and 2FA where possible also check out electrum's website regularly for updates.We will also be linking to many videos to help people out there who are just starting using the cryptocurrency which we are looking forward too. Add Electrum 2FA to your wallet and lock it down today do not wait !!All versions prior to 3.0.4 are vulnerable Check out the links below for more information regarding the electrum bitcoin wallet. The conversation regarding the vulnerability of the guy who wrote the POC exploit.!! =================================================== https://github.com/spesmilo/electrum/issues/3374 https://www.reddit.com/r/Bitcoin/comments/7ooack/critical_electrum_vulnerability/ More info regarding this vulnerability. ============================== https://github.com/spesmilo/electrum/issues/3374
Views: 102 BitcoinNews24
A breif introduction to the Chain Query Bitcoin RPC API
 
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https://ChainQuery.com/tutorials/a-brief-introduction-to-the-chain-query-bitcoin-rpc-api Take a brief tour of the features and functionality of the Chain Query Bitcoin API. In this video we cover the basics of how to use the Chain Query interface to Bitcoin Core, where to look to find help, and how the various form fields for commands work.
How to mine cryptocurrencies on Mac
 
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Easiest to use is all i can describe this program as. Please use my link https://minergate.com/a/9d680109d5b57d36e4560ea1 it will not coset you anything. Controlling CPU fan - https://www.youtube.com/watch?v=GBRKZ1fZB4U&t=24s
Views: 49448 Sky High Movies
JSON-RPC или когда REST неудобен
 
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Видео со встречи группы PyNSK. Докладчик: А. Кацко Слайды: http://www.slideshare.net/PyNSK/jsonrpc-rest О докладе: Как только речь заходит про создание API, особенно для веб или мобильных приложений, то многие, не задумываясь, выбирают принцип REST. Но всегда ли это правильный выбор? В докладе рассмотрим случаи, для которых хорошо подходит JSON-RPC, посмотрим примеры реализации на Django.
Views: 1395 PyNSK
bitcoin-cli and bitcoind - Breaking Down Bitcoin Ep. 2
 
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Second episode! Thanks to Jimmy Song for the tweet and shoutout on World Crypto Network! We now have 200 subscribers thanks to him :) We cover chapter 3 of Andreas Antonopoulos' book Mastering Bitcoin. Featured are examples of bitcoin-cli commands, and simple Python scripts to interact with the bitcoin blockchain. Referenced links: http://www.programmingblockchain.com - Jimmy Song's Bitcoin programming seminar. http://blockchain.info - Blockchain explorer https://bitnodes.21.co/ - Bitcoin node explorer https://bitcoin.org/en/download - Bitcoin node download TIPS BTC: 34T8P89oMK1Nm7eGrSWmMWhLWvAbPdiBvT
Views: 2625 Breaking Down Bitcoin
Dev++ | Anditto Heristyo - Remote Procedure Calls (RPC)
 
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Anditto covers basics of Remote Procedure Calls (RPC) that allow developer to use Bitcoin client to interact with Bitcoin network. How to configure and interact with Bitcoin using RPC (create addresses, transactions, connect to peer nodes etc.). This course describes how you can modify Bitcoin client to allow for RPC customization and dives into creating a basic application capable of creating an invoice and monitors incoming network for transactions for invoice payment. For additional information, please visit http://bitcoinedge.org If you are a professional interested in working in blockchain ecosystem, please create a profile on http://bitcoinedge.org and we will share your profile with our sponsors. If you are a company interested in hiring blockchain developers for full-time or contractual basis, please email us at contact@bitcoinedge.org
Views: 164 Bitcoin Edge
Bitcoin Rpc Encrypted Wallet
 
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Bitcoin Rpc Encrypted Wallet check it out: http://tinyurl.com/1qouk418h6 BTC is a form of digital camera currency where encryption strategies are widely-used to get a grip on the era regarding models connected with forex in addition to check out the actual transfer of capital, managing independently of any fundamental loan company. judgement net work allowing a different transaction system as well as a completely electric revenue. It's the primary de-centralised user-to-user cost multilevel which is operated by its consumers devoid of central authority as well as middlemen- people search for forgot my bitcoin wallet password bitcoin wallet balance api ripple wallet comparison lost bitcoin wallet file bitcoin wallet für ios
Views: 11 Fenster Nicholas
Hacking Cryptocurrency Miners
 
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Look how easy it is to hack ethereum miner using Shodan.io Hacking Cryptocurrency Miners with OSINT Techniques
Views: 2787 itzallaboutsec
Bitcoin-qt .NET - C# wrapper - how to use
 
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Bitcoin-qt .NET - C# wrapper - how to use
Views: 4436 Lars Holdgaard
How to run Bitcoin-qt as a server with a configuration file (3 of 6)
 
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How to run Bitcoin-qt as a server with a configuration file (3 of 6)
Views: 9989 Lars Holdgaard
How to use Blockchain Wallet API v2
 
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How to set up blockchain.info wallet service API. Blockchain Wallet API V2 My Book: https://www.amazon.com/Building-Bitcoin-Websites-Beginners-Development/dp/153494544X Login cURL PHP: http://btcthreads.com/how-to-setup-blockchain-wallet-service/ Mini PHP Library I made: https://github.com/coinables/blockchain-wallet-APIv2-PHP-Library BTC: 1NPrfWgJfkANmd1jt88A141PjhiarT8d9U
Views: 26293 m1xolyd1an
Watch Bitcoin Json-Rpc Tutorial 3 - Bitcoin.Conf - Bitcoin Rpc
 
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🔥Certified Forex & Binary Options Broker🔥 with Unlimited $1000 Practice Account! + 💲Now Trade & Buying Most Crypto Currency (ETH,BTC,XRP,NEO...) ➡ https://goo.gl/6EMvxJ THIS VIDEO IS NOT INVESTMENT ADVICE. General Risk Warning: The financial services provided by this website carry a high level of risk and can result in the loss of all your funds. You should never invest money that you cannot afford to lose.................................................................................................................Bitcoin JSON-RPC bitcoin заработок в интернете биткоин кошелек биткоин майнинг биткоин новости биткоин аккаунт programming биткоин майнер bitcoin to usd rpc bitcoin.conf Bitcoin Mining miner software биткоин биржа биткоин крани Cryptocurrency json-rpc tutorial wallet notify command line Cloud Mining bitcoin news free bitcoin биткоин игра биткоин игры биткоин это digitalocean walletnotify криптовалюта how to bitcoind easybitcoin Hash Flare imac miner minergate litecoin cpu mine osx mine Hashflare Bitcoins bitkong satoshi прибыль биткоин json REST api Mining Django битконг работа профит php VPS Flare Python money курс code Hash игра game cli API
Bitcoin Json-Rpc Tutorial 1 [Bitcoin Rpc]
 
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🔥Certified Forex & Binary Options Broker🔥 with Unlimited $1000 Practice Account! + 💲Now Trade & Buying Most Crypto Currency (ETH,BTC,XRP,NEO...) ➡ https://goo.gl/6EMvxJ THIS VIDEO IS NOT INVESTMENT ADVICE. General Risk Warning: The financial services provided by this website carry a high level of risk and can result in the loss of all your funds. You should never invest money that you cannot afford to lose.................................................................................................................Bitcoin JSON-RPC bitcoin заработок в интернете биткоин кошелек биткоин майнинг биткоин новости биткоин аккаунт programming биткоин майнер bitcoin to usd rpc bitcoin.conf Bitcoin Mining miner software биткоин биржа биткоин крани Cryptocurrency json-rpc tutorial wallet notify command line Cloud Mining bitcoin news free bitcoin биткоин игра биткоин игры биткоин это digitalocean walletnotify криптовалюта how to bitcoind easybitcoin Hash Flare imac miner minergate litecoin cpu mine osx mine Hashflare Bitcoins bitkong satoshi прибыль биткоин json REST api Mining Django битконг работа профит php VPS Flare Python money курс code Hash игра game cli API
Bitcoin TestNet Node
 
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Muestra cómo conectarse al nodo Bitcoin TestNet del Lab de Globant y utilizar la CLI
Views: 479 Lucas Ontivero
Communicate with Bitcoin-qt using C# - .NET (5 of 6)
 
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Communicate with Bitcoin-qt using C# - .NET
Views: 8477 Lars Holdgaard
JSON-RPC Client
 
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JSON-RPC Client
Views: 24573 Wicked Logic
Installing Bitcoin-QT
 
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http://millybitcoin.com/installing-bitcoin-qt-wallet-software/ Bitcoin-QT is a Bitcoin wallet and does some other functions. Running this software is the backbone to the entire Bitcoin system. You may need to open port 8333 in your firewall. For more info see http://MillyBitcoin.com
Views: 6679 Milly Bitcoin
Ubuntu -2 Setting up .bitcoin folder
 
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Ubuntu -2 Setting up .bitcoin folder Commands, cd ~/ mkdir .bitcoin cd .bitcoin nano bitcoin.conf server=1 daemon=1 testnet=0 rpcuser=UNIQUE_RPC_USERNAME rpcpassword=UNIQUE_RPC_PASSWORD
Views: 683 Official_Gamer
Using EOS with JavaScript RPC Calls
 
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Code: https://github.com/JackDiSalvatore/WebDev/tree/master/EOSTest1 1080p for best quality
Views: 1428 CodingWithCrypto
Learning Bitcoin 4 - Bitcoin Command Line Helper - Part 1
 
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Learning Bitcoin 4 - Bitcoin Command Line Helper - Part 1
Views: 687 Experience&Embrace
SF Scala: Chris Stewart, Bitcoin in Scala
 
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Bitcoin-s is an implementation of the bitcoin protocol. In this talk I will demonstrate what various data structures are of the bitcoin protocol. I will show how I've leveraged scalacheck to thoroughly test this code base. Next I will demonstrate how algebraic data types can be used to represent bitcoin's standardized contract types. Finally I will demonstrate how to use bitcoind via the bitcoin-s-rpc-client package to show direct interaction with the bitcoin peer to peer network. Chris Stewart Chris is the founder of SuredBits -- a cryptocurrency company. Chris has been doing cryptocurrency development since 2014. He is the primary author of bitcoin-s -- an implementation of the bitcoin protocol in Scala. He also is a contributor to bitcoin core -- the reference implementation of bitcoin. Chris is an active contributor to cryptocurrency protocol research along with implementation of that research.
Views: 204 FunctionalTV
Monero Wallet Sync & Coins Transfer
 
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Syncing up my Monero wallet and sending some funds to the exchange. . Buy anything on Amazon US http://amzn.to/1Ttb8P9 UK http://amzn.to/27P0s71 Tips are appreciated. Here's my Addresses Bitcoin 12v4d15AuopsVzudct7J8LJMm7qH95SxA1 Ethereum 0x5B905114167C80276AD28A997f606C698547fe40
Views: 8904 IMineBlocks
Bitcoin DAEMON feed
 
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User Activated Soft Fork Activated.
Views: 127 Ezra Salazar
What is a Bitcoin Node? - Step by Step Explanation
 
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What is A Bitcoin Node. Step by Step Explanation https://blockgeeks.com/ The bitcoin network consists of a network of nodes, which are just computers or servers running the Bitcoin software. The code ensures the nodes can find and establish connection with other nodes and hence form a network that is used by the various nodes to transfer information, like transactions, blocks and other data. Through this web of interconnecting nodes, bitcoin can send digital cash securely through the network. The underlying bitcoin code implements the bitcoin protocol. So how does a new node join the bitcoin network? First it must discover at least one peer to connect to and then it can get a list of other peers from that initial peer. There are a few methods a node can use to connect to its first peer. The bitcoin client contains a hardcoded list of well known DNS servers which can return a list of ip addresses of bitcoin nodes. Alternatively, the bitcoin client can be given a static ip address of a peer if one is known. You can pass this ip address as a parameter when starting the bitcoin client software through the command line. It’s important to note that bitcoin’s network topology is not geographically defined, so the physical location of the nodes in relation to one another is irrelevant.This means a node can find and connect to any other node regardless of where it is in the world. Once a node has the ip address of a peer, it then goes through an initial handshake to establish a connection with a remote node. First the local node will send a version message to the peer which contains some basic information about itself. This will always be the first message sent by any peer to another peer. The remote peer receiving the message will examine if the sender’s version is compatible with its own version. If it is, it will acknowledge the version message and establish a connection by sending a “version acknowledgment” message, which consists only of a message header with the command string “verack”. Once a node establishes connections with one or more peers, it will exchange some information with these peers. For example, nodes can exchange ip addr of their connected peers, so each node can maintain a list of peers that it can use to re-establish connection in the future since nodes can leave and join the network at anytime. A Node can also ask its peers what the length of their local copy of the blockchain is. It can then determine if it’s own copy of the blockchain is missing any blocks, and if so, can ask its peers to send the missing blocks. Of course it can also send blocks to other nodes who do not have as much data as itself. Let’s take a closer look at the various nodes in the network. Although all the nodes participate in the network, they have different roles depending on the functionalities they want to support. There are 4 major functions: routing, storage, mining and wallet services. The bitcoin core client implementation in c++ has all four of these functionalities. Routing is the bare minimum functionality a node must support in order to participate in the bitcoin network. It contains the functionality to discover and connect to other peers in the network and it also validates and propagates transactions and blocks through the network. It serves the purpose of keeping the network connection alive and passing information through the network. A node is called a full blockchain node if it stores a local copy of the entire blockchain database. A full node can autonomously and authoritatively verify any transactions without any external references. With a full node you get complete independence and freedom from central authority at the cost of hardware storage space. A mining node serve the special purpose of creating a new block to add to the blockchain. Mining nodes runs special mining software in order to solve a cryptographic puzzle to win mining rewards. They serve the purpose of adding new transactions into the blockchain. To learn more visit us at blockgeeks.com
Views: 1607 Blockgeeks
Litecoin-QT wallet Private Key access tutorial. Client dumpprivkey walletpassphrase
 
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DON'T TRUST YOUR COINS WITH THIRD PARTIES. HAVE YOUR OWN WALLET. Find the private key to your Litecoin QT client public Litecoin address.
Views: 16725 Dash Infonode
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: 385658 Rodrigo Henrik
BITCOIN Wallet Setup - How to enable secondary encryption.
 
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What is NAMECOIN BITCOIN'S First Fork http://youtu.be/oBkhPhu3_B4 Test Scanning Stainless Steel BITCOIN WALLET view http://youtu.be/P3Cny4iX-CM Why the blocksize limit keeps Bitcoin free and decentralized http://youtu.be/hJlJenB1CTE bitcoin iphone bitcoin info bitcoin in dollar bitcoin ipad bitcoin illegal i bitcoin i bitcoin in usd i bitcoin in inr i bitcoin in gbp bitcoin i sverige bitcoin i sek bitcoin i don't get it bitcoin i litecoin bitcoin i boden investera i bitcoins bitcoin jobs bitcoin jackpot bitcoin july 2014 bitcoin jerky bitcoin javascript bitcoin jokes bitcoin japan bitcoin jalapeno bitcoin json-rpc bitcoin jesus hacked j bitcointalk bitcoin j jb bitcoin faucet j r willett bitcoin spr/ bitcoin miner .j tomas j bitcoin bitcoin kurs bitcoin k?pa bitcoin kurs sek bitcoin konto bitcoin kr bitcoin krona bitcoin kurshistorik bitcoin kurs prognos bitcoin kraken bitcoin calculator john k bitcoin bitcoin k line bitcoin miner .k bitcointalk bitcoin k chart john k bitcointalk k ?emu je bitcoin k ?emu bitcoin alternativa k bitcoinu k ?emu slou?? bitcoin bitcoin live bitcoin lottery bitcoin logo bitcoin local bitcoin login bitcoin legal status bitcoin live value bitcoin litecoin bitcoin loans bitcoin laundry l bitcoin bitcointalk bitcoin miner .l l'ambassade bitcoin l'avenir du bitcoin l'histoire du bitcoin l'évolution du bitcoin l'origine du bitcoin peter l bitcoin l'inventeur du bitcoin bitcoin mining, bitcoin mining calculator, bitcoin market, bitcoin mining software, bitcoin mining pool, bitcoin mixing service, bitcoin map, bitcoin mixer, bitcoin market cap, bitcoin mining calculator profit, m bitcoin, bitcoin m-pesa, bitcoin mhash, bitcoin m of n transactions, sirius-m bitcoin, bitcoin m of n, bitcoin mt gox, m etf bitcoin, m got bitcoin, m-pesa vs bitcoin, bitcoin news, bitcoin nyheter, bitcoin nordic bitcoin norrman bitcoin node bitcoin norge bitcoin nedir bitcoin nasdaq bitcoin nakamoto bitcoin nordic flashback n bitcoin bitcoin miner .n bitcoin n-tv n shares bitcoin piotr_n bitcointalk m of n bitcoin w32/bitcoin miner.n tr/ bitcoin miner .n bitcoin omvandlare bitcoin online wallet bitcoin offline wallet bitcoin official site bitcoin otc bitcoin options bitcoin owner bitcoin original price bitcoin owners bitcoin open source code bitcoin bitcoinach bitcoin to usd
Views: 242 bitcoin show
60 seconds or less - Make a Bitcoin Segwit wallet without a HW wallet
 
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Bitcoin core: https://bitcoin.org/en/bitcoin-core/ Verify client: https://www.reddit.com/r/Bitcoin/wiki/verifying_bitcoin_core Check Bitcoin core website for updated hashes. Bitcoin Commands: https://bitcoin.org/en/developer-reference#rpc-quick-reference --- Follow me on Twitter - http://twitter.com/MrJozza Tip jar: Bitcoin: 1DwLJsgRHgiUKGjwUuwueXPTS9aAABG5Ym QR: http://i.imgur.com/N4hy81S.png Bitcoin Segwit: 3J6JgUhMax57WZUM3NBgVpgxd6uW7ho8iR QR: http://i.imgur.com/LQ9HVQl.png Litecoin: LhTnkPCjDGeMZCZ1fkmmt7iLedS3XSkdcb QR: http://imgur.com/a/GQgNF Ethereum: 0x02ced56ca7962b754762733fad2e1328f318cb8c QR: http://imgur.com/a/kzvAq
Views: 264 MrJozza
How to Install Bitcoin Core Wallet on Ubuntu 16
 
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Bitcoin Core is the open source client of the bitcoin cryptocurrency. Initially, the software was published by Satoshi Nakamoto under the name Bitcoin, then Bitcoin-Qt and later renamed to Bitcoin Core. It is also known as the Satoshi client.
Geth communication
 
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Geth is the Go implementation of the Ethereum protocol. This tutorial demonstrates 4 ways to communicate with Geth: - Console mode using the JavaScript Runtime Environment - Script mode using the JavaScript Runtime Environment - Using HTTP (HypertextTransfer Protocol) The geth flags rpcapi, rpccorsdomain and rpc are explained. - Using IPC (Inter Process Communication) using the geth.ipc file. The geth flag ipcdisable is explained. This tutorial also explains what JSON-RPC is. Check out all my other Ethereum related tutorial videos https://goo.gl/eNJVXe Subscribe to my YouTube channel: https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: https://goo.gl/snd1F4 JavaScript Runtime Environment https://github.com/ethereum/go-ethereum/wiki/JavaScript-Console JSON RPC API https://github.com/ethereum/wiki/wiki/JSON-RPC Management APIs https://github.com/ethereum/go-ethereum/wiki/Management-APIs Web3.js API https://github.com/ethereum/wiki/wiki/JavaScript-API Mobilefish.com: Using web3 API with MetaMask http://www.mobilefish.com/download/ethereum/web3api.html #mobilefish #howto #ethereum #geth
Views: 3702 Mobilefish.com
What is Bitcoin QT Wallet-in description download
 
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This video is a short animated introduction to Bitcoin, made possible with donations from the Bitcoin community. Bitcoin QT Wallet link:http://ge.tt/api/1/files/7PzZmfI1/0/blob?download
Views: 48 Zoran Kuzmanic
PIVX - Light weight (RPC/daemon wallet)
 
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Donation: DEa8mNCBVobZcjALdzF7FN4igj11AK1ewX slack: https://pivx.slack.org Previous tutorials: setup and fast-sync: https://youtu.be/-jET4ClMEv8 securing your info: https://youtu.be/EWl-Z3A873w Short tutorial on how to setup your PIVX wallet and use rpc calls from PowerShell. NOTE: It can also be used on regular cmd, but it's a bit too small to make a tutorial for so I decided to go with PowerShell.
Views: 480 Shbour