on Saturday appointed Chris Ensey as its interim chief executive after the president and CEO of the company John O & # 39; Rourke resigned. Previously, Ensey was Riot's chief operating officer. The move is part of a "restructuring of the company's senior executives," said Riot in a version. The company disclosed the information in its latest earnings report on the comment letters received from the Securities and Exchange Commission. These letters concerned "the uncertain nature of accounting treatment for the extraction of corporate cryptocurrencies" and other topics. Riot was among a handful of companies that focused on blockchain last year amid crypto-currencies craze. Its stocks have fallen by over 80% this year.
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