The trading suspension was announced for American Security Resources Corp. (ARSC) on August 24, 2017; the suspension will be effective until September 8, 2017; according to the SEC, "The Commission temporarily suspended trading in the securities of ARSC because of questions that have arisen regarding publicly available information about the company in press releases on OTCMarkets.com, dated August 1, and August 8, 2017, concerning, among other things, the company's business transition to the cryptocurrency markets and early adoption of blockchain technology."; the SEC has suspended trading on at least two other companies involved in bitcoin that are listed on the OTC markets. Source
