Digital Assets - Schedule of Digital Assets Holdings (Details) € in Thousands |
Jun. 30, 2026
EUR (€)
shares
|
Dec. 31, 2025
EUR (€)
shares
|
Dec. 31, 2024
EUR (€)
|
|---|---|---|---|
| Schedule of Digital Assets Holdings [Abstract] | |||
| SOL, Units (in Shares) | shares | 868,020 | 787,331 | |
| SOL, Historical Cost | € 169,669 | € 157,002 | |
| SOL, Carrying Value | € 63,850 | € 97,968 | |
| SOL, restricted, Units (in Shares) | shares | 394,217 | 153,155 | |
| SOL, restricted, Historical Cost | € 74,675 | € 32,052 | |
| SOL, restricted, Carrying Value | € 27,051 | € 13,476 | |
| Total digital assets, Units | 1,262,237 | 940,486 | |
| Total digital assets, Historical Cost | € 244,344 | € 189,054 | |
| Total digital assets, Carrying Value | € 90,901 | € 111,444 |