Circle mints $750M in USDC, including $500M on Solana

• —USDC Treasury confirmed a $250 million mint on Oct. 20
• —Circle issued about $500 million more on Solana over six hours on Oct. 21
• —USDC market cap is about $72.15 billion, with 72.16 billion tokens in circulation
• —Analysts link the issuance to demand from DeFi and AI-based payment services