As the U.S. Senate Banking Committee opened its routine hearing on oversight of the bank regulators on Thursday, a flurry of crypto topics had already dominated the conversation, including a significant stablecoin policy proposal from the Office of the Comptroller of the Currency.

On the eve of the U.S. banking watchdogs’ testimony to lawmakers, the OCC issued a proposal to address most of its rulemaking requirements under the Guiding and Establishing National Innovation for U.S. Stablecoins (GENIUS) Act, the stablecoin law signed last year. The package of policies would institute standards for U.S. stablecoin issuers, such as their reserve requirements, how the firms will maintain custody of assets, how customers will redeem their…