Circle, the issuer of the popular USDC stablecoin, has launched its initial public offering, looking to raise about $624m at a $5.65b valuation. The company plans to sell 24m shares of Class A common stock at an expected price range of $24 to $26 apiece. Circle’s USD Coin (USDC) has roughly $62b in circulation, according to CryptoQuant, and its market cap has grown 40% this year.