A comprehensive suite of Bitcoin tools for generating and scanning QR codes for Bitcoin addresses, transactions, and PSBT workflows. Features include address validation, transaction parsing, and multi-format QR code generation for seamless Bitcoin payments.

Interactive playground exploring WebAuthn integration with Bitcoin wallets. Demonstrates passwordless authentication and secure key management for Bitcoin transactions using FIDO2/WebAuthn standards, combining modern web security with cryptocurrency workflows.

Pure Nostr Wallet Connect implementation playground for testing all NWC commands with Bitcoin Connect integration. Features real-time command execution, transaction history viewer, and quick zap interface for Lightning Network payments with support for all NWC protocol methods.