Circle is bringing Bitcoin-backed borrowing to institutional clients, allowing them to tap BTC holdings for USDC liquidity without selling their Bitcoin. Stablecoin issuer Circle has launched a Bitcoin-backed borrowing service for institutional clients, allowing eligible Circle Mint customers to use BTC as collateral to borrow USDC through onchain lending markets. The service, called Digital Asset-Backed Borrowing, lets customers deposit Bitcoin, mint Circle’s wrapped Bitcoin token cirBTC and supply it as collateral to supported third-party lending markets on Arc or Ethereum. Morpho is the first lending protocol supported, with Circle planning to add Aave and other protocols. The rollout coincides with cirBTC going live on Arc on Monday. According to Circle, borrowed USDC is deposited directly into the customer’s Circle Mint balance, while borrowing rates, collateral requirements and liquidation thresholds are set by the third-party lending market. The borrowing positions are overcollateralized, with collater...