B

bitcoin

Self-hosted Ark wallet forked from bark-web and powered by Bark, with Tor-routed backend traffic, fail-closed DNS/IPv6 controls, HTTPS, password + TOTP MFA, encrypted backups, and modular wallet apps. Includes Signet-only Payjoin v2 boarding and sending, plus optional MCP support for Hermes and OpenClaw with owner-approved payments. Public Linux/Docker preview.

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

Language bindings for the Bark SDK.

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

Typed client (TS + Python) for the RiskState Market Structure Engine — structural events, structural map & a governed playbook for BTC/USD & ETH/USD. The navigator engine.

Typed client (TS + Python) for the RiskState Trading Playbook Engine — a registry of locked crypto setups & which fire now for BTC/USD & ETH/USD, gated by structure + risk. Public, no key. The strategist engine.

QuantumLock is an open-source, quantum-resistant Bitcoin protocol designed to protect digital assets from future quantum computing threats. Featuring hybrid signatures, privacy enhancements, scalable architecture, and modular governance, QuantumLock ensures that Bitcoin remains secure, resilient, and future-proof. https://roxanneardary.com/quantumlock/

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

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

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).

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.