Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,247,581	$ 220,433
Restricted cash	7,800	7,800
Marketable securities	452,875	149,903
Accounts receivable, net	13,187	8,420
Settlements receivable, net	11,266	12,867
Network incentives receivable	30,399	20,022
Prepaid expenses and other current assets	35,617	11,461
Total current assets	1,798,725	430,906
Property and equipment, net	9,687	9,477
Operating lease right-of-use assets, net	11,296	13,411
Equity method investment	8,384	0
Other assets	2,286	3,886
Total assets	1,830,378	457,680
Current liabilities:
Accounts payable	2,693	2,362
Revenue share payable	121,179	78,191
Accrued expenses and other current liabilities	114,096	60,545
Total current liabilities	237,968	141,098
Redeemable convertible preferred stock warrant liabilities	0	2,517
Operating lease liabilities, net of current portion	12,427	15,449
Other liabilities	6,557	10,452
Total liabilities	256,952	169,516
Commitments and contingencies (Note 7)
Redeemable convertible preferred stock, $0.0001 par value; zero and 352,047,950 shares authorized; zero and 351,844,340 shares issued and outstanding; aggregate liquidation preference of zero and $552,868 as of December 31, 2021 and December 31, 2020, respectively	0	501,881
Stockholders’ equity (deficit):
Preferred stock, $0.0001 par value; 100,000,000 and zero shares authorized, no shares issued and outstanding as of December 31, 2021 and December 31, 2020, respectively	0	0
Common stock, $0.0001 par value: 1,500,000,000 and zero Class A shares authorized, 421,792,153 and zero shares issued and outstanding as of December 31, 2021 and December 31, 2020, respectively. 600,000,000 and 545,000,000 Class B shares authorized, 119,591,365 and 130,312,838 shares issued and outstanding as of December 31, 2021 and December 31, 2020, respectively	54	13
Additional paid-in capital	1,993,055	39,769
Accumulated other comprehensive income (loss)	(2,230)	25
Accumulated deficit	(417,453)	(253,524)
Total stockholders’ equity (deficit)	1,573,426	(213,717)
Total liabilities, redeemable convertible preferred stock and stockholders’ equity (deficit)	$ 1,830,378	$ 457,680