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Summary of Significant Accounting Policies (Detail Narrative) (USD $)
3 Months Ended 5 Months Ended 12 Months Ended
Apr. 13, 2015
Dec. 31, 2013
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Bitcoin price index     $ 319.70BTCS_BitcoinPriceIndex $ 386.27BTCS_BitcoinPriceIndex $ 639.36BTCS_BitcoinPriceIndex $ 458.50BTCS_BitcoinPriceIndex
E-commerce marketplace revenue     $ 2,799us-gaap_LicenseAndServicesRevenue      
Net capitalized software costs     144,796us-gaap_CapitalizedComputerSoftwareImpairments      
Private placement units 4,330,000us-gaap_PartnersCapitalAccountUnitsSoldInPrivatePlacement   3,750,000us-gaap_PartnersCapitalAccountUnitsSoldInPrivatePlacement      
Advertisement costs   5,052us-gaap_AdvertisingExpense 94,820us-gaap_AdvertisingExpense      
Investments at cost      400,004us-gaap_PaymentsForProceedsFromInvestments      
Amortization costs   0us-gaap_AmortizationOfIntangibleAssets 4,768us-gaap_AmortizationOfIntangibleAssets      
Common Stock Warrant [Member]            
Private placement units     1,875,000us-gaap_PartnersCapitalAccountUnitsSoldInPrivatePlacement
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_WarrantMember
     
GoCoin [Member]            
Investments at cost     150,000us-gaap_PaymentsForProceedsFromInvestments
/ us-gaap_InvestmentTypeAxis
= BTCS_GoCoinMember
     
Bitvault [Member]            
Investments at cost     50,000us-gaap_PaymentsForProceedsFromInvestments
/ us-gaap_InvestmentTypeAxis
= BTCS_BitvaultMember
     
Express Technologies [Member]            
Investments at cost     150,000us-gaap_PaymentsForProceedsFromInvestments
/ us-gaap_InvestmentTypeAxis
= BTCS_ExpressTechnologiesMember
     
Note interest rate     5.00%us-gaap_DebtInstrumentInterestRateDuringPeriod
/ us-gaap_InvestmentTypeAxis
= BTCS_ExpressTechnologiesMember
     
Gross proceeds conversion inducement     $ 750,000us-gaap_PreferredStockConversionsInducements
/ us-gaap_InvestmentTypeAxis
= BTCS_ExpressTechnologiesMember
     
Transaction Verification Servers [Member]            
Useful life     2 years      
Website [Member]            
Useful life     3 years