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    • The repository of events for Bitcoin Holiday site
      0160Updated Apr 3, 2026Apr 3, 2026
    • HTML
      201832Updated Mar 26, 2026Mar 26, 2026
    • SATSCARD and TAPSIGNER from Coinkite
      Python
      Other
      286230Updated Feb 19, 2026Feb 19, 2026
    • BBQr

      Public
      BBQr: Encodes larger files into a series of QR codes so they can cross air gaps
      TypeScript
      Other
      95060Updated Jan 23, 2026Jan 23, 2026
    • Python3 library to simplify client access to Electrum servers
      Python
      MIT License
      235351Updated Jul 9, 2025Jul 9, 2025
    • Source for KeyTeleport.com
      HTML
      1010Updated Apr 16, 2025Apr 16, 2025
    • mpy-qr

      Public
      Micropython module for producing QR codes (in C)
      C
      MIT License
      61221Updated May 6, 2024May 6, 2024
    • paper_otp

      Public
      Paper OTP Code Generator
      Python
      MIT License
      42800Updated Mar 15, 2024Mar 15, 2024
    • bitcoinbounties-pub

      Public template
      Data for bitcoinbounties.org
      121012Updated Jul 5, 2023Jul 5, 2023
    • Multisig wallet setup for multivendors
      Python
      Other
      2700Updated Jan 24, 2023Jan 24, 2023
    • libngu

      Public
      libNgU
      Python
      Other
      9100Updated Aug 10, 2022Aug 10, 2022
    • Coinkite Tap Protocol in C++ by @nunchuk-io
      C++
      MIT License
      5100Updated Jul 20, 2022Jul 20, 2022
    • NFC Tap protocol to support TAPSIGNER and SATCARD in javascript (react native)
      JavaScript
      MIT License
      5200Updated Jul 12, 2022Jul 12, 2022
    • Minimalistic implementation of BIP32
      Python
      BSD 3-Clause "New" or "Revised" License
      29201Updated Feb 14, 2022Feb 14, 2022
    • HTML
      0100Updated Sep 2, 2021Sep 2, 2021
    • breadfork

      Public archive
      breadfork
      Objective-C
      Other
      333000Updated Aug 9, 2016Aug 9, 2016
    • Electrum server
      Python
      MIT License
      382000Updated Jun 22, 2016Jun 22, 2016
    • opendime

      Public
      Opendime is a small USB stick that allows you to spend Bitcoin like a dollar bill
      0200Updated Jun 20, 2016Jun 20, 2016
    • libnacl

      Public
      Python ctypes wrapper for libsodium
      Python
      Apache License 2.0
      59300Updated Apr 15, 2015Apr 15, 2015
    • cloudfire

      Public
      CloudFIRE – Decentralized Open-Source Replacement for Cloudflare + Pubnub
      Lua
      MIT License
      4819800Updated Jan 26, 2015Jan 26, 2015
    • pycoin

      Public
      Python-based Bitcoin and alt-coin utility library.
      Python
      MIT License
      493500Updated Nov 10, 2014Nov 10, 2014
    • bip39

      Public
      JavaScript implementation of Bitcoin BIP39: Mnemonic code for generating deterministic keys
      JavaScript
      ISC License
      455300Updated Oct 21, 2014Oct 21, 2014
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