Alternatives and similar repositories for blockchain21:

Users that are interested in blockchain21 are comparing it to the libraries listed below

• fivepiece / btc-bash-ng
  math and bitcoin tools in gnu bc and bash
  ☆29Updated 6 years ago
• petertodd / checklocktimeverify-demos
  CHECKLOCKTIMEVERIFY (BIP65) Demos
  ☆47Updated 8 years ago
• cornwarecjp / amiko-pay
  A de-centralized network for fast, secure, cheap and privacy-friendly off-blockchain Bitcoin transactions.
  ☆31Updated 8 years ago
• hashplex / Lightning
  Experimental Lightning Node
  ☆43Updated 8 years ago
• icota / presto
  Presto - a Lightning Network wallet based on c-lightning
  ☆35Updated 6 years ago
• rustyrussell / lightning-rfc-old
  ☆14Updated 8 years ago
• Blockstream / contracthashtool
  A simple implementation of Pay-to-Contract-Hash
  ☆90Updated 3 years ago
• coinkite / connectrum
  Python3 library to simplify client access to Electrum servers
  ☆49Updated 8 months ago
• aceat64 / bitcoin_aprs
  Proof of concept for sending a bitcoin transaction via the APRS network
  ☆13Updated 7 years ago
• bitseed-org / bitcoin-box
  Low cost Bitcoin node device
  ☆24Updated 6 years ago
• sebicas / bitcoin-sniffer
  Bitcoin P2P Network Sniffer
  ☆72Updated 12 years ago
• sipa / bitcoin-net-simul
  Bitcoin network simulator
  ☆22Updated 9 years ago
• chris-belcher / coinjumble
  GUI for doing bitcoin coinjoin in an asynchronous manner
  ☆15Updated 9 years ago
• pinheadmz / ClockBlocker
  A not-boring Bitcoin full node with network visualizer and wallet
  ☆50Updated 2 months ago
• rustyrussell / bitcoin-iterate
  Simple fast iterator to extract data from bitcoind's blockchain files.
  ☆139Updated 3 years ago
• bitcoin-s / elements
  Feature experiments to advance the art of Bitcoin - Build your own sidechain
  ☆16Updated 7 years ago
• paulkernfeld / bitcoin-script-explorer
  A tool to help programmers learn Bitcoin Script.
  ☆27Updated 10 years ago
• prusnak / smspushtx
  Simple PushTX server to push Bitcoin transactions via SMS
  ☆66Updated 2 years ago
• jlopp / bitcoin-core-config-generator
  Bitcoin Core Config Generator
  ☆110Updated last month
• Samourai-Wallet / boltzmann
  A python script computing the entropy of Bitcoin transactions and the linkability of their inputs and outputs.
  ☆74Updated 4 years ago
• MuleTools / PonyDirect
  PonyDirect
  ☆43Updated 6 years ago
• adlai / cjhunt
  ABANDONED delineator of pseudonymous payment sets
  ☆13Updated 3 months ago
• drivechain-project / sidechains-old
  Testchain Release Page
  ☆61Updated 2 years ago
• ReinProject / python-rein
  Client for a decentralized freelancing market
  ☆37Updated last year
• drivechain-project / docs
  Documentation and FAQ
  ☆45Updated 2 years ago
• sipa / bitcoin-stats
  bitcoin.sipa.be scripts
  ☆60Updated last year
• bitcoinjs / fast-dat-parser
  Superfast blockchain parser for stats
  ☆75Updated 5 years ago
• jonasschnelli / simple-block-explorer
  A simple personal Bitcoin block explorer
  ☆53Updated last year
• BitcoinHardfork / bitcoin
  WIP emergency hardfork for Bitcoin (do not use except in emergency!)
  ☆12Updated 5 years ago
• petertodd / dust-b-gone
  Clean your Bitcoin-QT wallet of unwanted dust
  ☆53Updated 8 years ago