According to ChainCatcher, based on official data, within the 7 days ending May 22, Circle issued approximately 4.3 billion USDC and redeemed about 3.5 billion USDC, resulting in a net increase of around 800 million USDC in circulation. The total circulation of USDC is 61.3 billion, with reserves of approximately 61.5 billion USD, including about 8.1 billion USD in cash, and the Circle Reserve Fund holds approximately 53.5 billion USD.