Bitlayer
Bitcoin L2 with focus on BTC staking for yield, plus EVM smart contracts.
Architecture
- ZK rollup with state commitments to Bitcoin.
- EVM compatibility for Solidity contracts.
- BTC staking — bridged BTC earns yield via Bitlayer's protocols.
- Federation peg (planned BitVM upgrade).
Position
Among the "BTCFi" Bitcoin L2s competing on yield products. TVL moderate (early 2026).
Use cases
- BTC staking for yield.
- DeFi protocols (lending, AMMs).
- Bridge integrations to Ethereum L2s.
Limitations
- Federation trust until BitVM bridge.
- Yield sources sometimes unclear / require careful audit.