The SEC might not be able to act on all ICO that as scammed it's investors because they are so many and there is no possible way to track some of them since most of the team behind this project are anonymous and don't have a data online to be traced, this is why we always advise investors in the crypto space to always check out a project very well before investing into the project because you might never recover your funds anymore since most of this team are anonymous and can't be accessed by anyone.