Internal Revenue Service Commissioner Charles Rettig on Tuesday asked Congress for new authority and resources in order to regulate cryptocurrencies for better tax collection and to avoid frauds and scams. Rettig asked for the new measures during a Senate Finance hearing Tuesday to examine President Joe Biden's 2022 budget proposal, which calls for $41 million to expand anti-cybercrime efforts and $32 million for cryptocurrency-related enforcement operations and additional tax information reporting for businesses that receive cryptocurrency that has a fair market value of over $10 million. “I think we need congressional authority. We get challenged frequently and to have a...