Computing on Bitcoin 71 #04 - Bridges Without Forks: BitVM2 Design in Focus

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04
Bridges Without Forks: BitVM2 Design in Focus

GOAT Network outlined how BitVM2 enables Bitcoin-enforceable bridges without forks, using optimistic verification with permissionless challenges and Bitcoin as the dispute layer.

Without a hard fork, Bitcoin can’t natively verify the state transitions of a zkRollup. L1 gives you signatures, timelocks, hashlocks, and Taproot - not a general verifier.

BitVM is the most general workaround under that constraint.

🧵👇
— GOAT Network 🟡 (@GOATRollup) January 7, 2026

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