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v3.25.3

Fair Value Measurements - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Assets |  |  |
Cash and cash equivalents: | $ 362,357 |  |
Restricted cash equivalents: | 1,658 | $ 1,607 |
Crypto assets held: | 674,963 | 470,101 | $ 327,866
Accounts receivable, net: | 385 | 307 |
Crypto asset collateral held |  | 15,275 |
Equity securities | 1,382 | 219 |
Corporate bonds |  | 774 |
Crypto asset options | 684 | 6,354 |
Warrants | 1,659 |  |
Total assets | 1,223,267 | 662,937 |
Liabilities |  |  |
Related party loans: | 487,053 | 413,700 |
Convertible notes |  | 248,783 |
Crypto asset collateral payable | 21,282 | 15,275 |
Derivative liability | 874 | 7,620 |
Total liabilities | 509,209 | 685,378 |
Crypto asset options |  |  |
Assets |  |  |
Crypto asset options | 684 | 6,354 |
Liabilities |  |  |
Derivative liability | 685 | 6,371 |
Crypto asset futures |  |  |
Assets |  |  |
Crypto asset options | 0 | 0 |
Liabilities |  |  |
Derivative liability | 189 | 1,249 |
Bitcoin |  |  |
Assets |  |  |
Crypto assets held: | 604,746 | 412,115 | 295,320
Receivable, crypto assets pledged: | 93,296 | 86,708 |
Ether |  |  |
Assets |  |  |
Crypto assets held: | 46,164 | 17,562 | 25,718
Receivable, crypto assets pledged: | 86,883 | 81,592 |
Other crypto assets |  |  |
Assets |  |  |
Crypto assets held: | 24,053 | 40,424 | $ 6,828
Level 1 |  |  |
Assets |  |  |
Cash and cash equivalents: | 362,357 |  |
Restricted cash equivalents: | 1,658 | 1,607 |
Accounts receivable, net: | 0 | 0 |
Crypto asset collateral held |  | 0 |
Equity securities | 1,382 | 219 |
Corporate bonds |  | 0 |
Warrants | 0 |  |
Total assets | 1,016,307 | 431,503 |
Liabilities |  |  |
Related party loans: | 0 | 0 |
Convertible notes |  | 0 |
Crypto asset collateral payable | 0 | 0 |
Total liabilities | 0 | 0 |
Level 1 | Crypto asset options |  |  |
Assets |  |  |
Crypto asset options | 0 | 0 |
Liabilities |  |  |
Derivative liability | 0 | 0 |
Level 1 | Crypto asset futures |  |  |
Liabilities |  |  |
Derivative liability | 0 | 0 |
Level 1 | Bitcoin |  |  |
Assets |  |  |
Crypto assets held: | 604,746 | 412,115 |
Receivable, crypto assets pledged: | 0 | 0 |
Level 1 | Ether |  |  |
Assets |  |  |
Crypto assets held: | 46,164 | 17,562 |
Receivable, crypto assets pledged: | 0 | 0 |
Level 1 | Other crypto assets |  |  |
Assets |  |  |
Crypto assets held: | 0 | 0 |
Level 2 |  |  |
Assets |  |  |
Cash and cash equivalents: | 0 |  |
Restricted cash equivalents: | 0 | 0 |
Accounts receivable, net: | 385 | 307 |
Crypto asset collateral held |  | 15,275 |
Equity securities | 0 | 0 |
Corporate bonds |  | 774 |
Warrants | 0 |  |
Total assets | 205,301 | 231,434 |
Liabilities |  |  |
Related party loans: | 487,053 | 413,700 |
Convertible notes |  | 0 |
Crypto asset collateral payable | 21,282 | 15,275 |
Total liabilities | 509,209 | 436,595 |
Level 2 | Crypto asset options |  |  |
Assets |  |  |
Crypto asset options | 684 | 6,354 |
Liabilities |  |  |
Derivative liability | 685 | 6,371 |
Level 2 | Crypto asset futures |  |  |
Liabilities |  |  |
Derivative liability | 189 | 1,249 |
Level 2 | Bitcoin |  |  |
Assets |  |  |
Crypto assets held: | 0 | 0 |
Receivable, crypto assets pledged: | 93,296 | 86,708 |
Level 2 | Ether |  |  |
Assets |  |  |
Crypto assets held: | 0 | 0 |
Receivable, crypto assets pledged: | 86,883 | 81,592 |
Level 2 | Other crypto assets |  |  |
Assets |  |  |
Crypto assets held: | 24,053 | 40,424 |
Level 3 |  |  |
Assets |  |  |
Cash and cash equivalents: | 0 |  |
Restricted cash equivalents: | 0 | 0 |
Accounts receivable, net: | 0 | 0 |
Crypto asset collateral held |  | 0 |
Equity securities | 0 | 0 |
Corporate bonds |  | 0 |
Warrants | 1,659 |  |
Total assets | 1,659 | 0 |
Liabilities |  |  |
Related party loans: | 0 | 0 |
Convertible notes |  | 248,783 |
Crypto asset collateral payable | 0 | 0 |
Total liabilities | 0 | 248,783 |
Level 3 | Crypto asset options |  |  |
Assets |  |  |
Crypto asset options | 0 | 0 |
Liabilities |  |  |
Derivative liability | 0 | 0 |
Level 3 | Crypto asset futures |  |  |
Liabilities |  |  |
Derivative liability | 0 | 0 |
Level 3 | Bitcoin |  |  |
Assets |  |  |
Crypto assets held: | 0 | 0 |
Receivable, crypto assets pledged: | 0 | 0 |
Level 3 | Ether |  |  |
Assets |  |  |
Crypto assets held: | 0 | 0 |
Receivable, crypto assets pledged: | 0 | 0 |
Level 3 | Other crypto assets |  |  |
Assets |  |  |
Crypto assets held: | $ 0 | $ 0 |

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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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