Executives at the stablecoin issuer Circle and the bankrupt cryptocurrency lender BlockFi have been questioned by two members of Congress investigating the so-called “mutual backscratching arrangements” alleged to have taken place with the now-failed Silicon Valley Bank. On April 9, letters from Senator Elizabeth Warren and Representative Alexandria Ocasio-Cortez (AOC) were sent to Circle, BlockFi and 12 other non-crypto tech firms asking a series of questions on each firm’s relationship with SVB.