PROPERTY, EQUIPMENT AND INTANGIBLE ASSETS, NET

12 Months Ended

Dec. 31, 2021

Property Equipment And Intangible Assets [Abstract]

PROPERTY, EQUIPMENT AND INTANGIBLE ASSETS, NET

4. PROPERTY, EQUIPMENT AND INTANGIBLE ASSETS, NET

Property, equipment and intangible assets, net, consisted of the following:

	As of December 31,
	2020			2021
	US$			US$
Electronic Equipment		2,385,263			6,292,614
Office Equipment		235,894			391,223
Leasehold improvement		100,417			752,194
Software		159,939			367,853
Less: accumulated depreciation		(1,252,714	)		(2,661,241	)
Property and equipment, net		1,628,799			5,142,643
Licenses		7,967,036			8,677,136
Trademark		125,285			128,281
Trading right		—			128,212
Less: accumulated amortization		(28,086	)		(44,620	)
Intangible assets, net		8,064,235			8,889,009
Total		9,693,034			14,031,652

Depreciation and amortization expenses for the years ended December 31, 2019, 2020 and 2021 were US$752,167, US$928,414 and US$1,338,968, respectively. The estimated amortization expenses for the above intangible assets for future years are as follows:

Years ending December 31,	Amortization for Intangible Assets
	US$
2022		16,732
2023		16,732
2024		16,732
2025		16,732
2026		16,732
Total		83,660