Digital assets - Disclosure of number of Bitcoin (Details) - bitcoin |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Digital Assets [Abstract] | |||
| Opening balance | 0 | 0 | 0 |
| Additions | 3,234 | 0 | 0 |
| Disposals | (1,095) | 0 | 0 |
| Closing balance | 2,139 | 0 | 0 |