Circle launches 1:1 Bitcoin support token cirBTC
According to official sources, Circle announced that cirBTC has been launched on Ethereum, providing 1:1 Bitcoin backed collateral for institutional DeFi markets. CirBTC is supported by native BTC hosted by Circle in a 1:1 ratio, and achieves on chain transparency through Chainlink reserve proof. Users can mint and redeem through Circle Mint, and cirBTC and USDC achieve a unified operating model. In the future, cirBTC will be extended to multiple chains through Arc.