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Fair Value Measurements - Summary of Fair Value Liabilities Measured at Fair Value on Recurring Basis (Details) (10-K) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Digital currencies		$ 199
Derivative Liabilities		23,231,938	$ 3,794,153
Derivative liabilities for shortfall of shares		14,915,419
Convertible notes inclusive of derivative liabilities		3,283,034	$ 1,781,156
Level 1 [Member]
Digital currencies		199
Derivative Liabilities
Derivative liabilities for shortfall of shares
Convertible notes inclusive of derivative liabilities
Level 2 [Member]
Digital currencies
Derivative Liabilities
Derivative liabilities for shortfall of shares
Convertible notes inclusive of derivative liabilities
Level 3 [Member]
Digital currencies
Derivative Liabilities		23,231,938
Derivative liabilities for shortfall of shares		14,915,419
Convertible notes inclusive of derivative liabilities		$ 3,283,034

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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