Riot Platforms, Inc. Quarterly report pursuant to Section 13 or 15(d)

Other long-term assets (Tables)

6 Months Ended

Jun. 30, 2018

Other long-term assets as of June 30, 2018 consisted of the following (unaudited):

Cost:	Beginning Balance December 31, 2017			Additions			Ending Balance June 30, 2018
Patents	$	1,059,832		$	31,068		$	1,090,900
Goodwill		1,186,496			-			1,186,496
Convertible note investment		200,000			-			200,000
Total		2,446,328			31,068			2,477,396

Accumulated amortization:
Patents		(550,183	)		(29,219	)		(579,402	)
Total		(550,183	)		(29,219	)		(579,402	)

Net other long-term assets	$	1,896,145		$	1,849		$	1,897,994

The carrying amounts related to acquired intangible assets as of June 30, 2018 were as follows (unaudited):

The following table represents the total estimated amortization of intangible assets for the five succeeding years:

For the year ended December 31,	Estimated amortization expense
2018	$	28,781
2019	$	58,000
2020	$	58,000
2021	$	58,000
2022	$	46,479