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DIGITAL ASSETS - Narrative (Details) - Galaxy Digital Holdings, LP - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Crypto Asset, Activity [Line Items] |  |  |  |
Blockchain rewards generated from proprietary staking activities |  | $ 30.0 | $ 4.0 | $ 7.5
Net realized gain / (loss) |  | 0.0 | 0.0 | $ (44.6)
Restricted By Lock-Up Schedules |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Restricted crypto assets |  | 59.9 | 68.0 |
Restricted By Lock-Up Schedules | Maximum |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Restriction duration | 3 years |  |  |
Crypto Assets Staked |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Restricted crypto assets |  | $ 371.7 | $ 163.3 |
Restriction duration |  | 11 days | 11 days |
Crypto Asset, Decentralized Finance Protocols |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Percentage of digital assets issued |  | 41.00% |  |
Bitcoin |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Percentage of digital assets issued |  | 18.00% |  |
Aave |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Percentage of digital assets issued |  | 10.00% |  |
Bitcoin and Tether |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Digital assets borrowed, percentage |  | 87.00% |  |
Bitcoin, Ether, DAI, and SOL |  |  |  |
Crypto Asset, Activity [Line Items] |  |  |  |
Digital assets borrowed, percentage |  |  | 84.00% |

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