Brian Armstrong, CEO of cryptocurrency exchange Coinbase, has publicly endorsed GOP nominee David McCormick for the Pennsylvania senate seat, citing his friendlier stance on cryptocurrency. What Happened: Armstrong took to X Sunday to back the Senate hopeful. “If you live in Pennsylvania, you should vote for Dave McCormick. He is the better candidate on crypto (among many other credentials),” Armstrong wrote. See Also: Riding Dogecoin’s Wave: Indicators Point To What Could Happen Next The former CEO of Bridgewater Associates announced his candidacy last year, aiming to unseat three-time incumb…