美国证券交易委员会（SEC）主席Atkins：可能需要大幅改革加密数字货币经纪人制度。

Group 1 - The core viewpoint is that significant reforms may be necessary for the cryptocurrency brokerage system according to SEC Chairman Atkins [1] Group 2 - The SEC is considering changes to enhance regulation and oversight of cryptocurrency brokers [1] - The potential reforms aim to address the evolving landscape of digital assets and ensure investor protection [1] - The discussion reflects ongoing concerns about the risks associated with cryptocurrency trading and the need for a more robust regulatory framework [1]