The following table presents our Bitcoin mining activities for the six months ended June 30, 2026. | US$ thousands except BTC units | | Number of
Bitcoins | | | Amount | | | | | | | | | | | Balance as of January 1, 2025 | | | 802.77 | | | $ | 26,348 | | | Receipt of BTC from mining services and investment income | | | | | | | - | | | Cumulative effect upon adoption of ASU 2023-08 | | | | | | | 49,562 | | | Change in fair value recognized in earnings | | | | | | | (5,577 | ) | | Balance as of December 31, 2025 | | | 802.77 | | | $ | 70,333 | | | Receipt of BTC from mining services and investment income | | | - | | | | - | | | Change in fair value recognized in earnings | | | - | | | | (23,247 | ) | | Balance as of June 30, 2026 | | | 802.77 | | | $ | 47,086 | | The following table presents our Ethereum mining activities for the six months ended June 30, 2026. | US$ thousands except BTC units | | Number of
Ethereum | | | Amount | | | | | | | | | | | Balance as of January 1, 2025 | | | 2,949.79 | | | $ | 3,525 | | | Receipt of ETH from mining services and investment income | | | | | | | - | | | Cumulative effect upon adoption of ASU 2023-08 | | | | | | | 6,387 | | | Change in fair value recognized in earnings | | | | | | | (1,146 | ) | | Balance as of December 31, 2025 | | | 2,949.79 | | | $ | 8,766 | | | Receipt of ETH from mining services and investment income | | | - | | | | - | | | Change in fair value recognized in earnings | | | - | | | | (4,129 | ) | | Balance as of June 30, 2026 | | | 2,949.79 | | | $ | 4,637 | |
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