Uphold Inc., the digital money platform, has retained its first federal lobbyist to track legislation dealing with marijuana financial transactions, according to federal disclosures filed Thursday.

Former Democratic U.S. Rep. Bart Stupak of Michigan, a partner in Venable LLP‘s legislative and government affairs group, will represent the Marin County-based company. Uphold will join a heady list of existing Stupak lobbying clients that includes S&P Global Inc., Experian Inc., Oracle Corp., Lockheed Martin Corp. and American Airlines.