Digital Assets - Schedule of Digital Assets Reconciliation (Details) - EUR (€) € in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
|
| Schedule of Digital Assets Reconciliation [Abstract] | ||
| SOL carrying value, beginning | € 111,444 | |
| In-kind receipts from investments | 37,320 | |
| Reclassification of prepayment to digital assets | 50,000 | |
| Purchases of SOL | 2,200 | 150,001 |
| Staking rewards | 3,091 | 1,734 |
| Impairment of SOL | (75,834) | (77,611) |
| SOL carrying value, ending | € 90,901 | € 111,444 |