Just do the following: * Implement a universal carbon tax. Make CO2-based mining unprofitable. * Require KYC/AML checks and tax reporting from all exchanges,

Just do the following: * Implement a universal carbon tax. Make CO2-based mining unprofitable. * Require KYC/AML checks and tax reporting from all exchanges, and prosecute/block those that don't. Wholesale banning cryptocurrency is a fool's errand without a massive restriction on general-purpose computing and Internet usage. So, let's attack the problems they create instead, since we already have the tools and legal precedent for doing so.