Build on Bitcoin

ICP brings smart contract functionality to Bitcoin through a protocol-level integration with the Bitcoin network. Smart contracts deployed on ICP can interact with the Bitcoin network directly without using bridges or oracles.

• Bitcoin apps on ICP - Learn the fundamentals
• Smart contract capabilities - Discover the key capabilities

Case studies

Developers are already building successful Bitcoin applications using ICP:

• ODIN•FUN - Bitcoin memecoin trading platform with 150,000+ users and 6,000+ BTC in volume
• LiquidiumWTF - Peer-to-peer Bitcoin lending protocol with $500M+ loan volume
• Omnity REE - Decentralized execution layer for Bitcoin DeFi

50+ projects are building Bitcoin apps on ICP, see all on the ecosystem page.

Development Resources

• Local development - Set up your development environment
• Cycles are like gas - Cycles and the reverse gas model fuel smart contracts
• Smart contracts in Rust - Use Rust for high-performance Bitcoin apps
• Smart contracts in Motoko - ICP's native language for smart contracts
• ckBTC (Chain-key Bitcoin) - Use a token on ICP that is backed 1:1 by real BTC on the Bitcoin blockchain
• Sign-in with Bitcoin - Authenticate users with Bitcoin wallets
• Grants - Get funding for your Bitcoin project

Community

• Working group - Join the Bitcoin on ICP working group
• Developer forum
• Developer Discord
• X/DFINITYDev