Exchange Native BTC with Wrapped BTC Across Chains
xBTC enables trustless trading between native Bitcoin and wrapped BTC tokens (WBTC, cbBTC, tBTC, etc.) on any smart contract-enabled blockchain (EVM, Solana, etc.). No intermediaries, no custodians, just pure on-chain verification.
Why xBTC?
A truly decentralized solution for BTC cross-chain exchanges
Trustless Exchange
No centralized custody or trusted third parties. Your funds are secured by smart contracts and Bitcoin's proof-of-work.
On-Chain BTC Verification
Bitcoin transactions are verified directly on-chain using block header validation and Merkle proofs.
Challenge Mechanism
Built-in fraud-proof system allows anyone to challenge invalid block submissions, ensuring security.
Partial Fulfillment
Orders can be partially filled, providing flexibility for both buyers and sellers in the marketplace.
Non-Custodial
You always maintain control of your assets. Tokens are locked in smart contracts, not held by any third party.
Multi-Chain Support
Deploy on any smart contract-enabled blockchain (EVM, Solana, etc.) to exchange wrapped BTC tokens like WBTC, cbBTC, or tBTC.
How It Works
Simple 4-step process to exchange BTC
Create Order
Seller locks wrapped BTC in smart contract and specifies BTC receiving address
Send BTC
Buyer sends native BTC to seller's address. OP_RETURN data includes the buyer's address for receiving wrapped BTC
Verify On-Chain
BTC transaction is verified through SelfValidator contract using optimistic verification with challenge mechanism
Complete Trade
Smart contract releases wrapped BTC to buyer's address (specified in OP_RETURN data)
Supported Assets
Exchange native BTC with wrapped tokens across multiple chains
Bitcoin
Native BTCEthereum
WBTC, tBTCSolana
wBTC, tBTCBNB Chain
BTCBArbitrum
WBTCBase
cbBTCReady to Exchange?
Start trading native BTC with wrapped tokens in a completely trustless environment.