Cryptocurrency advocacy organization Coin Center has openly defied a request from Sen. Elizabeth Warren (D-Mass.) for information on its hiring of former government officials. What Happened: In December, Warren sent out letters to various entities in the cryptocurrency space, including Coin Center, questioning their recruitment of former defense and law enforcement officials. She suggested that this was part of a strategy to weaken Congressional action aimed at preventing crypto’s alleged use in terror financing activities, specifically by groups like Hamas. Warren’s letter accused the industr…