Document and Entity Information	6 Months Ended
Jun. 30, 2018
Document And Entity Information
Entity Registrant Name	BTCS Inc.
Entity Central Index Key	0001436229
Document Type	S-1/A
Document Period End Date	Jun. 30, 2018
Amendment Flag	true
Amendment Description	Amendment No. 8
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Ex Transition Period	false
Trading Symbol	BTCS
Document Fiscal Year Focus	2018

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Description of changes contained within amended document.

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If the value is true, then the document is an amendment to previously-filed/accepted document.

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This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.

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The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.

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The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

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A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Indicate if registrant meets the emerging growth company criteria.

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Indicate if registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards.

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Indicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated), (5) Smaller Reporting Accelerated Filer or (6) Smaller Reporting Company and Large Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.

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The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

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Indicates that the company is a smaller reporting company with both a public float and revenues of less than $75 million.

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Trading symbol of an instrument as listed on an exchange.

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