REVENUE (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

The following table presents the Company's revenue disaggregated by revenue source (in thousands):



	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
Revenue from Contracts with Customers:
Transaction-based revenue	$	816,622			$	655,384			$	2,248,894			$	1,803,649
Subscription and services-based revenue	239,895				141,752				645,588				330,637
Hardware revenue	21,766				17,558				62,238				50,337
Bitcoin revenue	148,285				42,963				338,898				114,074
Revenue from other sources:
Subscription and services-based revenue	$	39,906			$	24,451			$	104,453			$	66,952

Schedule of Deferred Revenue

The deferred revenue balances were as follows (in thousands):



	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
Deferred revenue, beginning of the period	$	44,812			$	27,155			$	36,451			$	5,893
Less: cumulative impact of the adoption of ASC 606	—				—				—				(4,303		)
Deferred revenue, beginning of the period, as adjusted	44,812				27,155				36,451				1,590
Deferred revenue, end of the period	45,263				33,614				45,263				33,614
Deferred revenue arising from business combination	—				22,800				—				22,800
Revenue recognized in the period from amounts included in deferred revenue at the beginning of the period	$	12,656			$	10,165			$	28,280			$	1,539