美国证交会主席：已要求工作人员为被认定为证券的加密资产提议披露要求和豁免规定，同时已要求工作人员与那些寻求发行代币化证券的公司展开合作。

Core Points - The Chairman of the U.S. Securities and Exchange Commission (SEC) has requested staff to propose disclosure requirements and exemptions for crypto assets identified as securities [1] - The SEC Chairman has also instructed staff to collaborate with companies seeking to issue tokenized securities [1]