Fiamma

The first-ever trust-minimized Bitcoin bridge.

Category:DeFi for Bitcoin

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About

Fiamma is building a trustless, ZK-powered Bitcoin infrastructure aimed at unlocking Bitcoin’s full potential for decentralized finance (DeFi), payments, and cross-chain interoperability. By leveraging BitVM2 and zero-knowledge proofs (ZKPs), Fiamma transforms Bitcoin from a passive store of value into an active participant in decentralized applications (dApps) and the broader decentralized internet.

Key Features

Fiamma Bridge
The first trust-minimized Bitcoin bridge powered by BitVM2, allowing users to bridge Bitcoin to other ecosystems like Arbitrum, ZKsync, and BOB without trusted intermediaries or custodians.
Fiamma Layer
The first ZK verification layer on Bitcoin, enabling fast, scalable, and decentralized proof verification directly on Bitcoin’s base layer.
BitVM2 Integration
Fiamma implements the smallest and most efficient ZKP verifier on Bitcoin, reducing Groth16 proof verification size from ~7 GB to ~1.3 GB, dramatically improving Bitcoin’s computational flexibility.
Yield Opportunities for BTC Holders
Bitcoin liquidity providers can earn trustless yields by supplying BTC liquidity into the Fiamma Bridge ecosystem.
High Throughput, Secure Bridging
Through optimistic ZK verification, Fiamma enables secure, efficient, and decentralized bridging of Bitcoin across chains—without relying on "wrapped BTC" models.

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Tag:bitvm2 layer-2 trustless-bridging zk-proofs

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