ExchangeBitcoin On Ethereum? Circle Launches cirBTC on ETH Targeting $9B WBTC MarketadminJune 10, 2026 by adminJune 10, 202601 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...