CoinMeta data: In the past 7 days, the circulation of USDC has decreased by 500 million coins, with a total circulation of 72.5 billion coins. As of October 15th, approximately 10.9 billion USDC were issued and about 11.4 billion USDC were redeemed, resulting in a decrease of about 500 million coins in circulation. The total circulation of USDC is 72.5 billion coins, with a reserve amount of about 72.7 billion US dollars. This includes approximately 35.6 billion US dollars in overnight reverse treasury bond repurchases, about 25.8 billion US dollars in treasury bonds with a maturity of less than 3 months, about 10.6 billion US dollars in deposits from systemically important institutions, and about 600 million US dollars in deposits from other banks.