According to news from Coinworld, the official message from USDD 2.0 states that the total value of USDD collateral has surpassed 550 million USD, with a circulation exceeding 500 million coins, achieving a new milestone. Meanwhile, the fourth phase of the TRX and sTRX Vaults promotion will launch on July 15, 2025, at 16:00 (CST), and will last until August 15, 2025, at 16:00, seamlessly continuing from the third phase. In addition to the stable fee reduction continuing to as low as 0.5%, a new 'Yield Overview' competition has been added, where participants will have the chance to share a prize pool of 500 USDD.