BitcoinOS Unveils Grail Bridge Testnet App for Cross-Chain Bitcoin Interactions

BitcoinOS (BOS), the good contract working system designed for Bitcoin, introduced on Monday, February 17, 2025, the launch of the BitcoinOS Grail Bridge testnet app.

In a press launch shared with Cryptonews, the agency acknowledged that the app will allow safe, trustless BTC transfers throughout a number of blockchain networks, representing a notable development in cross-chain Bitcoin interactions.

Introducing the Grail Bridge Testnet

The primary-stage testnet launch of the Grail app will provide a sensible software for each customers and builders. It introduces one-way bridging from Bitcoin testnet to Ethereum Digital Machine (EVM)-compatible chains.

This transfer is meant to maximise consumer engagement and ecosystem participation. Preliminary integrations have been accomplished with Ethereum Holešky, Base Sepolia, Mode Sepolia, and Merlin Chain Testnet, stated the agency.

Notably, the event journey included the primary Bitcoin Zero-Data (ZK) bridge transaction on Merlin Chain again in November 2024. This was a serious milestone displaying the platform’s technical skill.

Customers can entry the Grail app by way of a number of wallets, together with OKX, Xverse, UniSat, Bitget, and different Pockets Join-supported wallets.

“With deployment already secured with key tasks throughout crypto and web3 ecosystems as companions, this milestone marks a big step in the direction of BOS’s mission to unlock Bitcoin’s ‘holy grail’ resolution for trustless scaling, whereas preserving the soundness and integrity of Bitcoin’s core protocol,” stated Edan Yago, a core contributor to BOS.

By initiating the launch with EVM chains, BOS seeks to have interaction the biggest doable consumer base.

Roughly 90% of DeFi exercise happens on EVM-compatible chains, the place most wrapped Bitcoin additionally resides.

The transfer capitalizes on the confirmed observe document of EVM chains in Zero-Data Proof (ZKP) functions and their dominance within the DeFi area.

Technological Breakthrough with BitSNARK

Grail is the primary software constructed on BitSNARK, BOS’s zero-knowledge proof verification system.

In contrast to conventional bridges counting on custodians or multi-signature schemes, Grail makes use of ZKP know-how.

BitcoinOS plans to permit two-way bridging by the top of Q1 2025, with a small-scale transaction from Ethereum to Bitcoin on the mainnet.

The total mainnet launch is predicted in Q2 2025, following safety audits and deliberate integration with non-EVM ecosystems like Cardano and Solana.

Cross-chain interactions have lengthy been a degree of friction for Bitcoin, with centralized custodians and wrapped belongings standing as mandatory however imperfect options.

Grail’s integration of zero-knowledge proofs introduces a brand new paradigm—one the place Bitcoin can transfer past these trade-offs with out compromising its foundational ideas.

If BOS succeeds in scaling this strategy, it may shift how builders and establishments take into consideration Bitcoin’s function in multi-chain ecosystems, not as a static asset however as an lively participant in decentralized finance.

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