John Brownell left a career in finance to pursue filmmaking full time and started his own film production company two and a half years ago in Los Angeles.The Glastonbury native has now released his first narrative feature film, “Coin,” in June. It’s a buddy-thriller and the plot involves a very current issues: cryptocurrency and campaigns. Brownell said his movie has a blend of comedy, conspiracy, mystery and drama “The film is about two friends who misappropriate campaign funds to launch a cryptocurrency, which sets a ruthless political hitman after them to get the campaign funds and they don’t have them…