数据：USDC 发行量一周内减少约 13 亿枚

Core Insights - Circle's USDC issuance and redemption activities indicate a significant reduction in circulation, with approximately 4.8 billion USDC issued and 6.2 billion USDC redeemed in the week ending January 21, leading to a decrease of about 1.3 billion USDC in circulation [1] Group 1 - As of January 21, the total circulation of USDC stands at approximately 74.4 billion [1] - The reserve assets backing USDC are valued at around 74.5 billion USD [1]