Bitcoin News: Circle has launched cirBTC, a 1:1 BTC-backed ERC-20 token now live on Ethereum mainnet, positioning it directly against WBTC’s roughly $9 billion market and approximately 85% market share with a feature its competitors do not offer: real-time on-chain reserve verification with no reliance on third-party attestations.
The product went live June 8, 2026, and is built exclusively for institutional participants, OTC desks, market makers, lenders, and DeFi protocols deploying Bitcoin as collateral inside Ethereum-based smart contract ecosystems.
The competitive target is explicit. BitGo’s Wrapped Bitcoin has dominated tokenized BTC since its January 2019 launch, and Coinbase’s cbBTC has emerged as the primary institutional challenger since September 2024, reaching approximately $5.9 billion in market value.
Circle is entering that race with a specific transparency argument and the institutional trust built over years of USDC issuance.
Source:cryptonews.com