SHAREHOLDER ALERT: Levi & Korsinsky, LLP Notifies Investors of an Investigation Involving Possible Securities Fraud Violations by the Board of Directors of Riot Blockchain, Inc.

Levi & Korsinsky announces it has commenced an investigation of Riot Blockchain, Inc. RIOT concerning possible violations of federal securities laws.

On October 4, 2017, the Company announced it was changing its name from Bioptix, Inc. to Riot Blockchain, Inc. and was shifting from a focus on veterinary products to an operator in blockchain technologies. Then on February 16, 2018, CNBC issued an investigative report examining issues within the Company, including allegations of insider selling, dilutive stock issuances, and the abrupt postponement of annual meetings. Following this news, shares of Riot Blockchain fell from a close of $17.20 per share on February 15, 2018, to a close of $11.46 per share on February 16, 2018. To obtain additional information, go to:

http://www.zlkdocs.com/RIOT-Info-Request-Form-6480

or contact Joseph E. Levi, Esq. either via email at jlevi@levikorsinsky.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972.

Levi & Korsinsky is a national firm with offices in New York, California, Connecticut and Washington D.C. The firm's attorneys have extensive expertise in prosecuting securities litigation involving financial fraud, representing investors throughout the nation in securities and shareholder lawsuits. Attorney advertising. Prior results do not guarantee similar outcomes.

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