The stablecoin market capitalization has reached $322.92 billion, with Tether (USDT) leading the pack at $196.39 billion, according to CoinFound data. Other significant contributors include USD Coin (USDC) at $77.06 billion and USDS at $13.01 billion. In related developments, Circle has unveiled its Arc chain quantum resistance roadmap to address potential quantum threats by 2030. Additionally, Ant Group is integrating AI agents into the blockchain payment ecosystem, and the SEC has scheduled a roundtable on the CLARITY Act for April 16. Ripple Treasury has also launched, offering native management for RLUSD and XRP.