Digital assets - Fair values of digital assets (Details) - USD ($) |
Dec. 31, 2024 |
Jun. 30, 2024 |
|---|---|---|
| Digital assets | ||
| Total | $ 4,831,637 | $ 891 |
| Maximum percentage of other crypto asset | 3.00% | 3.00% |
| Bitcoin ("BTC") | ||
| Digital assets | ||
| Total | $ 2,063,704 | |
| Ethereum ("ETH") | ||
| Digital assets | ||
| Total | 742,519 | |
| USD Tether ("USDT") | ||
| Digital assets | ||
| Total | 10,583 | |
| USDC | ||
| Digital assets | ||
| Total | 1,826,816 | |
| Others | ||
| Digital assets | ||
| Total | $ 188,015 | $ 891 |