BitcoinOS launches Grail Bridge testnet application for cross-chain BTC interaction

Odaily News BitcoinOS (BOS), a smart contract operating system designed for Bitcoin, has announced the launch of the BitcoinOS Grail Bridge testnet application, which enables secure and trustless BTC transfers across multiple blockchain networks.
The first phase testnet version will provide practical tools for users and developers, introduce a one-way bridge from the Bitcoin testnet to EVM-compatible chains, and has completed preliminary integration with the Ethereum Holešky, Base Sepolia, Mode Sepolia and Merlin Chain testnets.