B

bitcoin

A Rust implementation of the Ark protocol on bitcoin. Built by Second. https://second.tech

An HTTP server to bridge communication between a SimpleSats Client and a LND instance.

Language bindings for the Bark SDK.

SimpleSats Android provides a convenient UI flow for Android developers to accept Bitcoin as lightning payments. SimpleSats Android essentially wraps SimpleSats-Client in a BottomSheet. The payment flow is designed to be as similar to Google Play's In-App Billing Flow as possible.

An HTTP client to communicate with SimpleSats Server.

The core class for SimpleSats (a lightweight, paywall project to receive Bitcoin over the Lightning Network for microservices).

Language-agnostic Rust FFI implementation for Bark SDK bindings using UniFFI.

Oracle-free Bitcoin-native DvP net settlement using existing Lightning and Taproot Assets tools

Crystal Ledger is an open-source custodial financial infrastructure platform built to replace opaque banking systems with verifiable, transparent, and cryptographically auditable accounting. Designed around sound money principles and Bitcoin-first treasury management, it provides real-time proof of reserves, immutable financial records, and deterministic interest accounting. Every balance, liability, and yield source is structured to be independently verifiable, ensuring that financial trust is replaced by mathematical proof. https://roxanneardary.com/crystal-ledger/

Pure Python cryptocurrency address generation and cryptographic utilities.

Two complete Russian books preserved as independently verifiable Bitcoin inscriptions

Python implementation for joinstr

A command line interface for discretionary traders / manual - hybrid trading with a powerful order design system for Binance + Hyperliquid. For manual traders who prefer a keyboard over using a mouse. Mostly to gain a speed advantage over everyone else.

A minimalist, resource-efficient PHP service for sharing Bitcoin addresses anonymously. https://btc-sharer.s3cr.net/

Shell script collection. Bash, Zsh, Ksh, and some Python.

Bitcoin price ticker firmware for the ESP32-2432S028 (Cheap Yellow Display) — live USD/THB price, 24h chart, halving countdown, Moscow Time, Fear & Greed. OTA updates, touch pages, night mode.

Raku binding to optimized C library for ECDSA signatures and secret/public key operations on curve secp256k1

🌱🪙💰🦀 Cryptocurrency multichain wallet generator (currently supports dice-based 🎲 entropy).

Bitcoin UTXO reconstruction pipeline with independent read-only auditor.

Multicurrency batch generator creates BIP39 mnemonic seed phrases, BIP32 master keys (xPriv/xPub), and the first 10 BIP44 addresses (wallets) along with their private keys.