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Cover - shares
 9 Months Ended
Sep. 30, 2023
Nov. 07, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2023  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2023  
Current Fiscal Year End Date --12-31  
Entity File Number 001-40792  
Entity Registrant Name BTCS Inc.  
Entity Central Index Key 0001436229  
Entity Tax Identification Number 90-1096644  
Entity Incorporation, State or Country Code NV  
Entity Address, Address Line One 9466 Georgia Avenue #124  
Entity Address, City or Town Silver Spring  
Entity Address, State or Province MD  
Entity Address, Postal Zip Code 20910  
City Area Code (202)  
Local Phone Number 430-6576  
Title of 12(b) Security Common Stock, par value $0.001  
Trading Symbol BTCS  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   14,373,186