| Summary of information by segment for continuing operations |
| | | | | | | | | For the years ended December 31, | | | 2023 | | 2024 | | 2025 | | | US$ | | US$ | | US$ | Reportable segment revenues: | | | | | | | Data center | | 33,482 | | 28,389 | | 23,898 | Cryptocurrency mining | | 21,562 | | 17,091 | | 6,670 | Inter-segment1 | | (11,943) | | (12,558) | | (7,568) | Total segment and consolidated revenues | | 43,101 | | 32,922 | | 23,000 | Reportable segment cost of revenue-exclusive depreciation and amortization: | | | | | | | Data center | | (21,834) | | (16,877) | | (23,697) | Cryptocurrency mining | | (19,216) | | (14,263) | | (7,587) | Inter-segment1 | | 11,943 | | 12,558 | | 7,568 | Total segment and consolidated cost of revenue-exclusive depreciation and amortization | | (29,107) | | (18,582) | | (23,716) | Reportable segment cost of revenue-depreciation and amortization: | | | | | | | Data center | | (2,480) | | (2,642) | | (2,643) | Cryptocurrency mining | | (8,468) | | (8,713) | | (7,430) | Total segment and consolidated cost of revenue-depreciation and amortization | | (10,948) | | (11,355) | | (10,073) | Total segment and consolidated cost | | (40,055) | | (29,937) | | (33,789) | Reportable segment gross (loss) profit2: | | | | | | | Data center | | (2,775) | | (3,688) | | (10,010) | Cryptocurrency mining | | 5,821 | | 6,673 | | (779) | Total segment gross profit (loss) | | 3,046 | | 2,985 | | (10,789) | General and administrative expenses - payroll: | | | | | | | Data center | | (2,033) | | (1,951) | | (2,195) | Cryptocurrency mining | | (13) | | (52) | | (193) | Others | | (3,921) | | (3,672) | | (3,005) | Total general and administrative expenses - payroll | | (5,967) | | (5,675) | | (5,393) | Reconciling items: | | | | | | | Sales and marketing expenses | | (153) | | (54) | | (47) | General and administrative expenses - others | | (12,498) | | (8,034) | | (12,858) | Service development expenses | | (874) | | (69) | | — | Operating expenses | | (19,492) | | (13,832) | | (18,298) | Other operating income | | 180 | | 214 | | 9,715 | Other operating expenses | | (13,642) | | (613) | | (3,035) | Net gain on disposal of cryptocurrency assets | | 7,074 | | — | | — | Impairment of cryptocurrency assets | | (2,359) | | — | | — | Changes in fair value of cryptocurrency assets | | — | | 3,203 | | (4,356) | Impairment of property and equipment: | | | | | | | Data center | | — | | — | | — | Cryptocurrency mining | | — | | — | | (8,764) | Impairment of property and equipment, total | | — | | — | | (8,764) | Impairment of intangible assets: | | | | | | | Data center | | — | | — | | (1,405) | Cryptocurrency mining | | — | | — | | — | Impairment of intangible assets, total | | — | | — | | (1,405) | Gain on remeasurement of unfavorable contract: | | | | | | | Data center | | — | | — | | 2,225 | Cryptocurrency mining | | — | | — | | — | Gain on remeasurement of unfavorable contract, total | | — | | — | | 2,225 | Changes in fair value of payables settled by cryptocurrency assets | | — | | 37 | | 7 | Operating loss from continuing operations | | (25,193) | | (8,006) | | (34,700) | Other income, net | | 691 | | 627 | | 54 | Interest income | | 242 | | 56 | | 146 | Loss from equity method investments | | (295) | | (20) | | (1) | Impairment of long-term investments | | (1,408) | | (132) | | — | Gain from disposal of long-term investments | | 614 | | — | | — | Gain from short-term investments | | — | | 156 | | — | Change in fair value of derivative instruments | | (35) | | 311 | | 21 | Net loss from continuing operations | | (25,384) | | (7,008) | | (34,480) |
| 1 | The inter-segment eliminations mainly consist of data center revenue of US$11,943, US$12,558 and US$7,568 generated from data center services provided by data center segment to cryptocurrency mining segment for the years ended December 31, 2023, 2024 and 2025, respectively, and corresponding data center services cost of US$11,943, US$12,558 and US$7,568 incurred by cryptocurrency mining segment for the years ended December 31, 2023 2024 and 2025, respectively, which have been eliminated upon consolidation. |
2 | The segment gross (loss) profit are presented after inter-segment eliminations. |
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