Data: USDC circulation has increased by approximately 300 million pieces in the past 7 days According to official data, in the seven days ending June 19th, Circle issued approximately 3.6 billion USDC, redeemed approximately 3.3 billion USDC, and increased circulation by approximately 300 million pieces. The total circulation of USDC is 61.2 billion pieces, with reserves of approximately 61.6 billion US dollars, including cash of approximately 8.4 billion US dollars, and Circle Reserve Fund holding approximately 53.3 billion US dollars.