A year ago, Sam Bankman-Fried and Changpeng Zhao ran two of the largest crypto companies. As they grapple with legal woes, others are jockeying to lead the industryâs next chapter.A year ago, Sam Bankman-Fried and Changpeng Zhao ran two of the largest crypto companies. As they grapple with legal woes, others are jockeying to lead the industryâs next chapter.