suBTC is a multichain fungible synthetic asset by Sumer.Money pegged to BTC and representing same security characteristics and collateral backing across all supported networks. suBTC provides a credit card-like experience to users to promote multichain liquidity and seamless cross-chain smart contract communications. As a DeFi user, you can deposit your assets (ETH, BTC, USDC, USDT, etc.) on the native blockchain in the Sumer lending and borrowing market to mint the synthetic asset.