The Office of the Comptroller of the Currency (OCC) previously issued the “National Bank and Federal Reserve Association Digital Activities” proposed rules for comments. Up to now, a total of 91 submissions have been received, including US Bank and PNC. Banks said they may intend to provide customers with encrypted custody and other services. According to previous reports from Chain News, an advance notice of proposed rulemaking issued by the OCC in June focused on digital activities in the encryption field. The notice raised a number of issues surrounding the application of cryptocurrencies in the financial field, including “Financial service companies or What are bank customers’ activities related to cryptocurrency/encrypted assets? How much impact does customer participation in crypto-related activities have on the bank and the banking industry?” and many other questions.