USDT on Ethereum achieved a record monthly transfer volume of $580.9 billion in September 2025, marking a significant milestone in the cryptocurrency market. This surge represents a nearly 400% increase from the lows recorded in September 2023, highlighting the growing adoption and utilization of USDT on the Ethereum network. The number of transfers also reached 12.5 million, underscoring the heightened activity. Ethereum now holds approximately 44.46% of the circulating USDT supply, playing a crucial role in supporting decentralized finance (DeFi) activities and institutional transactions.