Toronto, Ontario--(Newsfile Corp. - May 20, 2021) - Cobalt Blockchain Inc. (TSXV: COBC) (OTC Pink: COBCF) (OTCQB: COBCF) ("COBC" or the "Company") is pleased to announce that effective today, May 20, 2021, it has graduated from the OTC Pink Sheets, and its shares will now trade on the OTCQB Venture Marketplace ("OTCQB") under the symbol "COBCF".

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