In the fourth quarter of 2025, Tether's USDT recorded historic on-chain activity, with 4.4 trillion dollars transferred and 2.2 billion transactions. While the overall cryptocurrency market underwent a sharp contraction, the USDT market cap reached a record 187.3 billion dollars, driven by massive retail adoption and a user base exceeding 534 million worldwide. Tether thus confirms its growing role as a stable and reliable financial infrastructure.