Contract Addresses
iBTC Contract Addresses: Access Across Chains
iBTC operates seamlessly across multiple blockchains, enabling trust-minimized Bitcoin DeFi (BTC-Fi) with institutional-grade security. Below are the verified contract addresses for iBTC, wrapped iBTC (wiBTC), and staked iBTC (siBTC) on supported chains, empowering developers to integrate these tokens into dApps, wallets, or smart contracts.
iBTC Addresses
Ethereum
Address: 0x20157dbabb84e3bbfe68c349d0d44e48ae7b5ad2
Explorer: View on Etherscan
Arbitrum
Address: 0x050c24dbf1eec17babe5fc585f06116a259cc77a
Explorer: View on Arbiscan
Optimism
Address: 0x2baa7e92f3f14883264bfa63058cc223ad719438
Explorer: View on Optimism Explorer
Base
Address: 0x12418783e860997eb99e8aCf682DF952F721cF62
Explorer: View on Basescan
Avalanche
Address: 0x25be3edd820a8fce6b8e211f40c5b82ba176994c
Explorer: View on Snowtrace
BNB Smart Chain
Address: 0x25be3edd820a8fce6b8e211f40c5b82ba176994c
Explorer: View on BscScan
Wrapped iBTC (wiBTC) Address
Ethereum
Address: 0x0C6F294f441661503c237c2317712A0Ecd8d2dA1
Use Case: Wrapped iBTC (wiBTC) enables advanced DeFi strategies, such as yield farming or collateral in lending protocols (e.g., wrapping for ERC4626 compatibility on Euler).
Explorer: View on Etherscan
Technical Detail: An ERC20 wrapper around iBTC, deployed on Ethereum, maintaining 1:1 peg with iBTC via smart contract logic, with underlying BTC backed by Chainlink PoR.
Staked iBTC (siBTC) Address
Ethereum
Address: 0xE4357bDAE017726eE5E83Db3443bcd269BbF125d
Use Case: Staked iBTC (siBTC) enables restaking on Symbiotic and Mellow, offering triple rewards (iBTC, Symbiotic, Mellow points) and lower borrowing costs (1.5% interest, DOC1 PAGE1).
Explorer: View on Etherscan
Technical Detail: Issued via Mellow’s vault system, siBTC represents staked iBTC positions, integrating with Symbiotic’s shared security protocol for restaking.
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