Property and Equipment, net (Tables)

6 Months Ended

Jun. 30, 2021

Property and Equipment, net

Schedule of property and equipment, net

	As of December 31,	As of June 30,
	2020	2021
	US$	US$
Electronic equipment	12,729,696	13,128,249
Office equipment and furniture	363,163	319,251
Motor vehicles	82,470	240,513
Leasehold improvements	1,714,381	1,730,934
Construction in progress	5,811	—
Total	14,895,521	15,418,947
Less: Accumulated depreciation	(9,501,779)	(11,318,470)
Property and equipment, net	5,393,742	4,100,477