US Lawmakers Tell Mnuchin to Back Off From Potential Crypto Wallet Regs News Reps. Warren Davidson, Tom Emmer, Ted Budd and Scott Perry urged Steven Mnuchin to rethink his rumored self-hosted wallet regulations in an open letter Wednesday which warned such rules might “crush a nascent industry.” More courses:Fed Chair Powell Says Central Bank Will Engage with…Bitcoin a ‘Potential Store of Value’ That’s Very…President Biden Freezes Mnuchin's Controversial…