Home » Crypto Market News » Why Jack Dorsey’s Block Is Seeking an OCC Charter to Bypass 50-State Licensing Block’s proposed national trust bank would bring digital-asset custody in-house and reduce reliance on partner banks and state licenses. Block (NYSE: XYZ), the fintech company led by Jack Dorsey, applied to the U.S. Office of the Comptroller of the Currency (OCC) on September 8 for a national trust bank charter.