FinCEN released Guidance on March 18, 2013 regarding BSA Regulations to Virtual Currencies. The Bitcoin Foundation issued guidance on March 19, 2013 to the Bitcoin community in s response to FinCEN. Bose Law Firm disagrees with the Bitcoin Foundation in its interpretation of the Guidance to cover miners of bitcoins and other decentralized virtual currencies who mine such coins and convert them for personal use. Bose Law Firm, PLLC. 703-926-3900.