According to The Block, U.S. Senator Elizabeth Warren said at a Senate hearing on Tuesday that she plans to reintroduce relevant legislation with Senator Roger Marshall to expand anti-money laundering laws to a wide range of areas in the cryptocurrency ecosystem, including digital asset wallets. Providers, miners, validators and other blockchain network participants, and said that current anti-money laundering rules do not adequately apply to crypto companies. The original version of the bill, introduced by Elizabeth Warren and Roger Marshall last December, also banned banks and other financial institutions from dealing with digital asset mixers, required the Treasury Department to conduct a Money Services Business Examination for anti-money laundering compliance on registered large U.S. cryptocurrency firms .