Riot Blockchain (RIOT) names Benjamin Yi, an independent director on its board, as the company's executive chairman.In addition to Yi's having served as a director of several public and private companies, he also brings more than 16 years of experience in capital markets, particularly in fintech-enabled businesses, specialty finance, and special situations investing.The company appoints Hubert Marleau as lead independent director as of today.Riot also names private investor and entrepreneur Lance D'Ambrosio to the board as in independent director.D'Ambrosio has founded and grown several companies across a number of industries, including telecom, materials, and automotive.Earlier, Bitcoin gains continue as Musk tweets on bitcoin miners energy pact