Nicolas Bonta, who worked as the interim president and CEO of Canadian crypto mining firm Bitfarms, will step down from the company board. In an Aug. 13 notice, Bitfarms announced the appointment of a new board member amid Riot Platforms’ attempted takeover. According to the mining firm, CEO Ben Gagnon will join the board, while lead director Brian Howlett will become the independent chairman. Bonta, who stepped in as interim president and CEO in May until Gagnon was appointed in July, “decided to step down” from the board. The shakeup in leadership did not appear to be connected to Riot’s att…