Putting Bitcoin at the heart
of DeFi
BOB is a Hybrid L2 that fuses the strengths of Bitcoin and Ethereum, creating the best place to use BTC in DeFi.
The Hybrid L2
Bitcoin security
Billions of dollars of staked Bitcoin secure the BOB network and bridges to other smart contract chains.
The best of Ethereum, for Bitcoin
BOB is a member of the OP Superchain, making it easy for high quality Ethereum dapps to support Bitcoin DeFi.
Trustless Bitcoin deposits
The most secure way to use your Bitcoin in DeFi, powered by BitVM and ZK-proofs.
Building on Bitcoin made easy
State of the art infra and tooling via EVM, paired with Bitcoin intents, smart accounts and other BTC tools.
Hybrid Innovation
Phase 1
Bootstrapping BOB as an optimistic ETH
roll-up
Phase 2
Adding Bitcoin security & trust-minimized BitVM bridges
Phase 3
Delivering an optimistic Bitcoin rollup via BitVM
Phase 4
Launching ZK-rollups if Bitcoin adds the necessary opcode
1-click Bitcoin DeFi
BOB Earn lets you deploy BTC into a variety of staking and DeFi products with just 1 transaction. Bitcoin DeFi couldn't be easier.
Cross-chain Bitcoin yield
Hybrid BTC vaults provide secure access to the best Bitcoin DeFi products on BOB, Ethereum and many other chains.
Explore Bitcoin DeFi on BOB with 100+ projects
Build on Bitcoin with BOB
BOB has best-in-class EVM and Bitcoin infrastructure, paired with the fastest onramps for BTC, stablecoins and ERC20s.
For EVM Projects
BOB is the easiest way to get exposure to the Bitcoin ecosystem: the largest web3 user base, Bitcoin LSTs and novel assets including Runes, Ordinals & BRC20s.
For Bitcoin Apps
BOB is the best way to get access to Ethereum DeFi innovation. Onboard DeFi power users, plug into the best on and off-ramps, and tap into deep liquidity in stablecoin and other bluechip assets.
The ultimate dev playground
Build at the intersection of Bitcoin and EVM with full EVM opcode compatibility, using state-of-the-art developer tooling, analytics, wallets, and blockchain infrastructure. Go from idea to mainnet faster than ever, powered by BOB’s SDK - your one stop shop for interacting with Bitcoin wallets and data.
BOB is a member of the Superchain Eco
and powered by OP Stack.
Start Building
BOB Mainnet
Deploy your smart contracts now and participate in the BOB Fusion ecosystem growth program.
Developer resources
Learn how to use our SDK to connect your smart contracts to Bitcoin mainnet.
Frequently asked questions
Understand why we are building BOB and how it works on a high level. Dive into the details of the stack and the technology.
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