The Bitcoin DeFi Protocol

Earn interest, borrow assets, and trade with BTC. Fully decentralized, multi-chain, and secured by insurance.

Launch app

interBTC: Bitcoin for DeFi

interBTC realizes the true free nature of BTC and decentralized finance. A 1:1 Bitcoin-backed asset secured by a decentralized network, a multi-collateral system, and cross-chain cryptography.

Trade BTC with other assets.

Earn passive income by supplying BTC liquidity.

Borrow against BTC from across multiple networks and assets.

How it Works

From Bitcoin to DeFi in just a few clicks.


Lock your BTC with a Vault. Pick one, or run your own. Your BTC is always safe and insured by Vault collateral.


Get interBTC at a 1:1 ratio to your locked BTC.


Earn on your Bitcoin. Use interBTC as collateral, for lending, yield farming and more - on any blockchain.


Redeem interBTC for native BTC on Bitcoin - trustless and anytime you want.

Powered by Bitcoin. Secured by Polkadot. Connected to all.

Interlay is a decentralized layer-1 network, powered by and optimized for Bitcoin. As a Polkadot parachain, Interlay achieves 12-second block times, up to 1500 transactions per second, and interoperability with Ethereum, Cosmos, Kusama and many more..

Fully Decentralized.

interBTC is secured by a decentralized network of Vaults. Anyone can operate a Vault and earn fees on BTC volume.

Become a Vault operator

Secured by Insurance.

Vaults are over-collateralized with assets from across multiple networks. You can always get your BTC back or be reimbursed.

Learn more

Governed by the Community

Interlay is a fully decentralized and community governed protocol. Join the movement and decide the future of Bitcoin DeFi.

Governance forum


We’re Interlay. Coders, researchers, makers. Early Bitcoiners and DeFi natives.

We live decentralization and transparency. We’re 100% remote and all our code is open source. We’re not anonymous - we stand by our product.

Our projects are community-owned and backed by top-tier scientific papers. Founded by ex-Imperial College PhDs, we collaborate with leading research labs and tech companies around the world.

Backed by

Audited & Peer-reviewed

Interlay is backed by peer-reviewed, top tier research...
... and supported by ecosystem programs

Highlighted Posts

Trustless Bitcoin Bridge Launched on Kusama

Mar 24

Interlay launched the Kintsugi Bitcoin bridge — the first trustless Bitcoin bridge on Kusama. kBTC is a 1:1 Bitcoin-backed asset on Kusama, and it is physically redeemable 1:1 for BTC.

Read More

Kintsugi Roadmap Update: Looking Ahead 2022

Feb 07

When we released the Kintsugi Roadmap in October last year, we promised to make the process of Kintsugi becoming fully operational as transparent as possible, and keep you updated.

Read More
View All Posts on Medium

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