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@Coldcard COLDCARD

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    16 repositories

    • firmware

      Public
      ❄️ Firmware and simulator for Coldcard Hardware Wallet
      securitycryptographybitcoincryptocurrencybitcoin-wallet
      Python
      •
      Other
      •167•667•0•4•Updated Aug 22, 2025Aug 22, 2025

    • ckcc-protocol

      Public
      Python library and command line tool for communicating with your Coldcard over USB
      bitcoinbitcoin-wallet
      Python
      •
      Other
      •17•62•2•0•Updated Jun 6, 2025Jun 6, 2025

    • psbt_faker

      Public
      Create test PSBT files which are valid, but garbage values
      walletcoldcardpsbt-faker
      Python
      •
      MIT License
      •5•20•0•0•Updated Apr 23, 2025Apr 23, 2025

    • push-tx

      Public
      NFC Push TX
      bitcoinbitcoin-transaction
      HTML
      •5•6•0•0•Updated Feb 19, 2025Feb 19, 2025

    • micropython

      Public
      MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
      C
      •
      MIT License
      •8.4k•7•0•2•Updated Jan 21, 2025Jan 21, 2025

    • ckbunker

      Public
      CKBunker - A Bitcoin HSM solution to securely authorize transactions using an online Coldcard (over Tor)
      JavaScript
      •
      Other
      •20•55•12•1•Updated Aug 6, 2024Aug 6, 2024

    • recovery-images

      Public
      Build "recovery" disk images used to save bricked COLDCARD Mk4 and Q
      Makefile
      •
      Other
      •2•2•0•0•Updated Jun 26, 2024Jun 26, 2024

    • wordlist-paper

      Public
      Creates the BIP39 wordlist on PDF for easy printing
      Python
      •6•14•0•0•Updated Mar 20, 2023Mar 20, 2023

    • psbt_recovery

      Public
      Recovery funds sent to addresses listed in public.txt
      Python
      •
      MIT License
      •4•3•0•0•Updated Sep 10, 2021Sep 10, 2021

    • stm32lib

      Public
      STM32 Cube library - CMSIS and HAL for F4, F7 and L4 microcontrollers
      C++
      •76•1•0•0•Updated May 28, 2021May 28, 2021

    • modcryptocurrency

      Public
      Micropython crypto code as independant subcomponent
      bitcoinbitcoin-wallet
      C
      •
      GNU General Public License v3.0
      •9•13•0•0•Updated Mar 17, 2021Mar 17, 2021

    • Bitcoin.org

      Public
      Bitcoin.org Website
      HTML
      •
      Other
      •2.1k•3•0•0•Updated Mar 17, 2021Mar 17, 2021

    • electrum

      Public
      Electrum; Bitcoin thin client
      Python
      •
      MIT License
      •3.3k•9•0•0•Updated Jan 8, 2021Jan 8, 2021

    • bipentropy

      Public
      BIP Entropy
      Python
      •
      MIT License
      •13•1•0•0•Updated Apr 20, 2020Apr 20, 2020

    • coldcard-paper-wallet-templator

      Public
      Convert PDF template files into specialized PDF files the Coldcard can use to construct paper wallets
      Python
      •2•6•0•0•Updated Nov 25, 2019Nov 25, 2019

    • HWI

      Public
      Bitcoin Hardware Wallet Interaction scripts
      Python
      •
      MIT License
      •222•5•0•0•Updated Jun 17, 2019Jun 17, 2019