Circle Deploys cirBTC on Ethereum, Letting BTC Holders Tap DeFi Without Selling

9 June 2026
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Circle has launched cirBTC on Ethereum, allowing institutions and BTC holders to deploy bitcoin as collateral in decentralized finance ( DeFi) markets without selling their underlying position. What cirBTC Is Every cirBTC token is backed 1:1 by native bitcoin. The underlying BTC is held at a regulated Circle entity and kept separate from the company’s […]