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BitcoinOS Launches Testnet for Cross-Chain Bitcoin Bridge Solution, Grail Bridge
BitcoinOS, a rollups protocol for Bitcoin, has announced the testnet launch of its cross-chain Bitcoin bridge solution, Grail Bridge. This solution enables users to securely and trustlessly transfer Bitcoin (BTC) to Ethereum Virtual Machine-compatible chains.
Key Milestones and Partnerships
In July 2024, BitcoinOS successfully verified the first zero-knowledge proof on the Bitcoin mainnet. This milestone was followed by a partnership with Merlin Chain in November, which executed the first zero-knowledge bridge transaction.
With the launch of Grail Bridge, BitcoinOS is on the path to enhancing scalability and functionality for users and developers on the Bitcoin network. Both users and builders can now utilize the one-way bridging solution to move BTC to EVM chains.
Technical Details and Integrations
In this first-stage testnet phase, BitcoinOS offers integration with Ethereum (ETH)βs testnet HoleΕ‘ky. It also supports Base Sepolia, Mode Sepolia, and the Merlin Chain testnet. Additionally, the Grail Bridge testnet allows transactions across leading crypto wallets such as OKX, Xverse, Bitget, and Unisat. The testnet app also supports WalletConnect.
βLaunching the Grail app with EVM chains benefits the maximum number of stakeholders who have been eagerly anticipating being able to use BOS. We are leveraging EVM chainβs proven track record with ZKP and dominance in DeFi.β
– Edan Yago, core contributor to BitcoinOS
Future Plans and Expansion
Following the testnet launch, BitcoinOS anticipates its mainnet will go live in the second quarter. Ahead of that, key security audits will be conducted. The project also plans to integrate with non-EVM chains, including Cardano and Solana.
BitcoinOS recently announced its expansion with Arbitrum integration, enabling trustless bridging with its native token, BOS. The BTC-Arbitrum bridge connects Bitcoin with Ethereumβs broader ecosystem. Zero-knowledge technology allows Ethereumβs layer-2 to function as a DeFi layer for Bitcoin.
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