Bitcoin, everywhere.

Deposit and use BTC across DeFi without intermediaries.

Mint using the tBTC dApp
  1. Backed

    Every tBTC is backed 1:1 with BTC

  2. Permissionless

    No intermediaries - Redeem tBTC for BTC at any time

  3. Secure

    Audited and open-source

  4. Simple

    3 steps to convert from BTC to tBTC and back

4 years of tBTC

tBTC, the open-source project that allows people to use Bitcoin in DeFi apps, has been operating safely for 4 years and bridged over 11,000 BTC.
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Latest News

2024-04-17

The Evolution of tBTC and the End of Over-Collateralization

Discover how tBTC has transformed over the years into a scalable, trust-minimized Bitcoin bridge, poised to fuel the growth of Bitcoin Layer 2 networks by eliminating the need for over-collateralization.

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2024-04-15

tBTC is for L2s: A Bitcoin Bridge Built for Scaling

tBTC is a semi-permissioned Bitcoin bridge that has been in production for nearly four years, and continues to evolve towards full trust-minimization for users on Solana, Arbitrum, Optimism, Polygon, and Ethereum.

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2024-04-15

A Tale of Two Bugs: tBTC and the FTX Exploit

Explore how the FTX exploit uncovered two critical bugs in tBTC, including a denial-of-service vector and a redemption mechanism design flaw, and the steps taken to address them.

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For Developers

Build your app and chain on Bitcoin with tBTC

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Build with tBTC

tBTC System Overview

tBTC v2 securely and quickly bridges Bitcoin to any other chain 24 hours a day, 7 days a week, leveraging the security of the Threshold…

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tBTC Security Model

tBTC v2 is designed as the safe way for people to use Bitcoin everywhere. Different projects take differing approaches to security. The…

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Simplified Payment Verification (SPV): A Primer

Overview While a full discussion of SPV proofs is outside the scope of this document, it is important to develop a working understanding of…

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Integrations