On May 9, the report revealed that the total supply of USDD peaked at 1.558 billion in April, representing a month-over-month increase of approximately 10.87%. As of April 30, 2026, the total value of collateralized assets reached $2.16 billion, with an overall collateral ratio maintained at 146% by month-end. SmartAllocator's cumulative earnings surpassed $16.24 million, with monthly new earnings of approximately $2.46 million. Additionally, USDD achieved further optimization of its reserve structure this month, adding a WBTC Vault, which increased the proportion of non-endogenous collateral assets. New features such as MCP functionality and machine-readable documents aimed at large language models (LLMs) were also introduced to support the development of the AI Agent ecosystem. The USDD team stated that in the future, they will focus on enhancing stability, optimizing the earnings system, upgrading transparency, and expanding the ecosystem, aiming to become a trusted stablecoin infrastructure in the AIAgent economy and decentralized finance scenarios.