The stablecoin market cap has surged to $321.28 billion as of December 19, with Tether (USDT) and USD Coin (USDC) leading the charge. USDT holds the largest share at $198.94 billion, while USDC follows with $77.71 billion. Other notable stablecoins include USDC ($11.21 billion), USDe ($6.49 billion), PYUSD ($3.91 billion), and USD1 ($2.77 billion). In recent developments, SoFi Bank has introduced SoFiUSD, a fully backed stablecoin designed for fintech settlements. Additionally, the FDIC has proposed a regulatory framework for stablecoin issuance, signaling increased regulatory attention. Circle has expanded USDC's utility by integrating it with Intuit and launching USDCx on the Stacks blockchain. The stablecoin market continues to perform robustly amid these institutional and regulatory advancements.