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Cover - USD ($)
 12 Months Ended
Dec. 31, 2022
Mar. 28, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K/A    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2022    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2022    
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 Well-Known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Reporting Status Current 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 Public Float     $ 12,000,000
Entity Common Stock, Shares Outstanding   13,766,321  
ICFR Auditor Attestation Flag false    
Auditor Firm ID 587    
Auditor Name RBSM LLP    
Auditor Location Las Vegas, Nevada