Organization	6 Months Ended
Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Note 1. Organization: Nature of operations: Riot Blockchain, Inc. (“we,” “us,” “our,” the “Company,” “Riot” or “Riot Blockchain”) was originally organized on July 24, 2000, as a Colorado corporation. Effective October 19, 2017, the Company's name was changed to Riot Blockchain, Inc., from Bioptix, Inc., and changed its state of incorporation to Nevada from Colorado. The Company operates a digital currency mining operation, which utilizes specialized computers (also known as “miners”) that generate digital currency (primarily bitcoin) from the blockchain. The Company acquired approximately 8,000 miners through its acquisition of Kairos Global Technology, Inc. (“Kairos”) in November 2017, and from Prive Technologies, Inc. (“Prive”), and separately from Blockchain Mining Supply & Services Ltd. (“BMSS”) in February 2018.

The entire disclosure for the organization, consolidation and basis of presentation of financial statements disclosure, and significant accounting policies of the reporting entity. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-URI http://asc.fasb.org/topic&trid=2122149

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-URI http://asc.fasb.org/topic&trid=2197479

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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