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What is BOB?

The Vision: Putting Bitcoin at the Heart of DeFi​

Bitcoin represents the world's largest and most valuable digital asset, yet it remains largely untapped in DeFi. While Ethereum has achieved ~30% DeFi TVL penetration, Bitcoin sits at just 0.3%. BOB exists to bridge this gap, giving everyone access to Bitcoin's potential.

The Problem: Users and institutions want sustainable returns on their Bitcoin holdings, while projects and apps need liquidity in the world's most trusted asset.

The Solution: BOB - The Gateway to Bitcoin DeFi​

BOB combines the security of Bitcoin with the DeFi innovation of Ethereum, creating the best place to build and earn yield with BTC.

For Users: 1-click Bitcoin staking, cross-chain BTC swaps, and seamless DeFi access

For Developers: "Integrate BOB EVM, get native BTC access"

Key Innovation: "BTC on BOB is BTC" - The first chain to achieve finality from both Ethereum and Bitcoin.

The Technology: The Hybrid Chain​

BOB is an optimistic rollup with ZK proofs on Ethereum secured by billions of dollars of staked Bitcoin, serviced by a hybrid BitVM bridge for native BTC integration.

Core Architecture​

  • Bitcoin Security: BTC on BOB is protected by Bitcoin's security model via BitVM
  • Ethereum Compatibility: Full EVM compatibility with ZK fraud proofs
  • Hybrid Finality: Finality secured by both Bitcoin and Ethereum networks
  • Native BTC Integration: Direct BTC access with a single transaction

Why build on BOB?​

Gateway (to BTC DeFi)​

  • Best Bitcoin UX in the ecosystem
  • 1-click BTC DeFi deployment to any DeFi protocol on any chain
  • Already integrated by Solv, Xverse, Pell, Sovryn
  • BTC to any chain stake & swaps coming soon

BitVM / Bitcoin Security​

  • BOB co-authored the latest BitVM2 bridge design paper
  • Member of the BitVM Alliance
  • Launched bitvm/acc to educate and recruit institutional partners
  • BitVM live on testnet for institutional onboarding
  • Secured by billions of dollars of staked BTC via BOB Finality Providers

Ecosystem (Home of BTC DeFi)​

  • Best-in-class EVM and DeFi infrastructure based on the OP stack
  • Tier 1 DeFi choosing BOB: Uniswap, Euler, Aave, LiFi, Lombard, Chainlink, Babylon, Solv
  • Institutions choosing BOB: Fireblocks, Cobo, ForDeFi and more to be announced
  • Strong/fast stablecoin infrastructure with USDC, USDT, Chainlink CCIP, LayerZero

Next Steps​