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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Operating activities: |  |
Net (loss) income | $ (130,751) | $ (110,020)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation and amortization | 2,691 | 2,782
Reduction in carrying amount of right-of-use assets | 1,994 | 2,086
Credit losses and sales allowances | 272 | (172)
Deferred taxes | (57,445) | (76,759)
Share-based compensation expense | 14,394 | 7,711
Digital asset impairment losses | 170,091 | 194,095
Amortization of issuance costs on long-term debt | 2,129 | 1,172
Changes in operating assets and liabilities: |  |
Accounts receivable | 8,183 | 6,774
Prepaid expenses and other current assets | (2,838) | (2,919)
Deposits and other assets | (5,801) | (62)
Accounts payable and accrued expenses | (2,041) | (4,632)
Accrued compensation and employee benefits | (12,735) | (3,810)
Accrued interest | 9,051 | 1,219
Deferred revenue and advance payments | 48,895 | 47,606
Operating lease liabilities | (2,382) | (2,458)
Other long-term liabilities | (25) | 90
Net cash provided by operating activities | 43,682 | 62,703
Investing activities: |  |
Purchases of digital assets | (215,500) | (1,086,375)
Purchases of property and equipment | (641) | (447)
Net cash used in investing activities | (216,141) | (1,086,822)
Financing activities: |  |
Proceeds from convertible senior notes | 0 | 1,050,000
Proceeds from secured term loan, net of lender fees | 204,693 | 0
Proceeds from exercise of stock options | 288 | 23,854
Payment of withholding tax on vesting of restricted stock units | (495) | 0
Net cash provided by financing activities | 207,291 | 1,049,258
Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash | (324) | (2,160)
Net increase in cash, cash equivalents, and restricted cash | 34,508 | 22,979
Cash, cash equivalents, and restricted cash, beginning of period | 64,434 | 60,759
Cash, cash equivalents, and restricted cash, end of period | 98,942 | 83,738
Employee Stock Purchase Plan |  |
Financing activities: |  |
Proceeds from sales under employee stock purchase plan | 2,805 | 0
Convertible Senior Notes |  |
Financing activities: |  |
Issuance costs paid | $ 0 | $ (24,596)

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