Coinbase CEO Brian Armstrong has expressed opposition to the current draft of the cryptocurrency market structure bill proposed by the Senate Banking Committee. Armstrong highlighted several issues with the draft, including restrictions on tokenized stocks, prohibitive clauses for DeFi, expanded government access to personal financial records, and the weakening of the CFTC's regulatory power in favor of the U.S. SEC. Additionally, the bill's amendments could limit stablecoin yields and provide banks with opportunities to suppress competition.