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CLEARING OPERATION (Tables) | 12 Months Ended
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Dec. 31, 2024
Broker-Dealer [Abstract] |
Valuation of digital assets - safeguarded assets and safeguarded liabilities | The following depicts the Company’s valuation of digital assets – safeguarded assets and safeguarded liabilities as of December 31, 2023:
|  | December 31, 2023
Digital Asset |  | Number of Units |  | Valuation per Unit |  | Fair value (in millions)
Bitcoin ("BTC") |  | 821 |  | $ | 42,492 |  | $ | 34.9 |
Ethereum ("ETH") |  | 6,270 |  | 2,282 |  | 14.3 |
Litecoin ("LTC") |  | 16,329 |  | 74 |  | 1.2 |
Bitcoin Cash ("BCH") |  | 1,374 |  | 261 |  | 0.4 |
USD Coin ("USDC") |  | 506,652 |  | 1 |  | 0.5 |
|  |  |  |  |  | $ | 51.3 |
Schedule of total margin deposits, clearing funds, and interoperability fund deposits | The details of margin deposits, clearing funds, and interoperability funds as of December 31, 2024 and December 31, 2023, are as follows (in millions):
| December 31, 2024
| Margin Deposits |  | Clearing Funds |  | Interoperability Funds |  | Total
Cboe Clear Europe central bank account | $ | 378.4 |  |  | $ | 173.7 |  |  | $ | 289.3 |  |  | $ | 841.4 |
Cboe Clear Europe reverse repurchase and other | — |  |  | — |  |  | — |  |  | — |
Cboe Clear U.S. customer bank deposits | 4.1 |  |  | — |  |  | — |  |  | 4.1 |
Total cash margin deposits, clearing funds, and interoperability funds | $ | 382.5 |  |  | $ | 173.7 |  |  | $ | 289.3 |  |  | $ | 845.5 |
| December 31, 2024
| Margin Deposits |  | Clearing Funds |  | Interoperability Funds |  | Total
Cboe Clear Europe non-cash contributions (1) | $ | 691.4 |  |  | $ | 80.1 |  |  | $ | 225.9 |  |  | $ | 997.4 |
| December 31, 2023
| Margin Deposits |  | Clearing Funds |  | Interoperability Funds |  | Total
Cboe Clear Europe central bank account | $ | 361.3 |  |  | $ | 140.1 |  |  | $ | 271.0 |  |  | $ | 772.4 |
Cboe Clear Europe reverse repurchase and other | 2.7 |  |  | 4.1 |  |  | 55.6 |  |  | 62.4 |
Cboe Clear U.S. customer bank deposits | 14.0 |  |  | — |  |  | — |  |  | 14.0 |
Total cash margin deposits, clearing funds, and interoperability funds | $ | 378.0 |  |  | $ | 144.2 |  |  | $ | 326.6 |  |  | $ | 848.8 |
| December 31, 2023
| Margin Deposits |  | Clearing Funds |  | Interoperability Funds |  | Total
Cboe Clear Europe non-cash contributions (1) | $ | 637.0 |  |  | $ | 65.6 |  |  | $ | 228.0 |  |  | $ | 930.6 |
________________________________________________________ (1)These amounts are not reflected in the consolidated balance sheets, as Cboe Clear Europe does not have the ability to sell or repledge the amounts absent a clearing participant default.

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