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Fair Value Measurements - Schedule of assets and liabilities measured at fair value on recurring basis (Details) - USD ($) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Bitcoin | $ 1,711,908,000 | $ 1,654,468,000
Restricted bitcoin | 353,672,000 |
Equity method investment - marketable securities, at fair value | 62,508,000 | 134,265,000
Convertible note | 5,623,000 | 5,345,000
Derivative asset | 148,642,000 | 149,495,000
Contingent consideration liabilities | 9,213,000 | 26,855,000
Fair Value, Assets, Level 1 to Level 2 Transfers | 0 | 0
Fair Value, Assets, Level 2 to Level 1 Transfers | 0 | 0
Fair Value, Liabilities, Level 1 to Level 2 Transfers | 0 | 0
Fair Value, Liabilities, Level 2 to Level 1 Transfers | 0 | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net | 0 | 0
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net | 0 | 0
Quoted prices in active markets (Level 1) |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Bitcoin | 1,711,908,000 | 1,654,468,000
Restricted bitcoin | 353,672,000 |
Equity method investment - marketable securities, at fair value | 62,508,000 | 134,265,000
Significant unobservable inputs (Level 3) |  |
Schedule of assets and liabilities measured at fair value on recurring basis |  |
Convertible note | 5,623,000 | 5,345,000
Derivative asset | 148,642,000 | 149,495,000
Contingent consideration liabilities | $ 9,213,000 | $ 26,855,000

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- Definition Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. + References No definition available. + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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- Definition Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A + Details
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