Coinbase today sent a letter to the Office of the Comptroller of the Currency (OCC), the Federal Reserve Board of Governors (Fed), and the Federal Deposit Insurance Corporation (FDIC), asking regulators to confirm whether banks are free to provide services to cryptocurrency businesses and clarify the current status of banking services in the crypto industry. In the letter, Coinbase asked the OCC to withdraw an explanatory letter that it believes "effectively sets a new banking activity applicati...