v3.26.1
Equity settled share-based payments - Movements in the number of RSUs granted (Details)
 6 Months Ended 12 Months Ended 42 Months Ended
Dec. 31, 2023
USD ($)
shares
$ / shares
Dec. 31, 2025
USD ($)
shares
$ / shares
Dec. 31, 2024
USD ($)
shares
$ / shares
Jun. 30, 2023
USD ($)
shares
$ / shares
Dec. 31, 2025
USD ($)
shares
$ / shares
Equity settled share-based payments          
Number of shares, outstanding at the beginning | shares       2,540,420 2,540,420
Number of shares, forfeited during the year | shares         (43,752)
Weighted-average exercise price, outstanding at the beginning (in dollars per share) | $ / shares       $ 0.036 $ 0.036
Weighted-average exercise price, forfeited during the year (in dollars per share) | $ / shares         $ 0.036
Restricted share units          
Equity settled share-based payments          
Number of shares, outstanding at the beginning | shares 6,165,460 24,718,284 5,958,256    
Restricted stock granted | shares 125,672 3,693,408 21,597,470    
Number of restricted shares became vested | shares (209,116) (1,902,320) (1,279,920)    
Number of shares, forfeited during the year | shares (123,760) (2,072,480) (1,557,522)    
Number of shares, outstanding at the end | shares 5,958,256 24,436,892 24,718,284 6,165,460 24,436,892
Weighted-average exercise price, outstanding at the beginning (in dollars per share) | $ / shares $ 0.036 $ 0.008 $ 0.036    
Restricted stock, exercise price | $ / shares 0.03 0.002 0.001    
Vested | $ / shares 0.024 0.008 0.035    
Weighted-average exercise price, forfeited during the year (in dollars per share) | $ / shares 0.036 0.002 0.005    
Weighted-average exercise price, outstanding at the end (in dollars per share) | $ / shares $ 0.036 $ 0.007 $ 0.008 $ 0.036 $ 0.007
Outstanding as of beginning | $ $ 4.22 $ 5.27 $ 4.32    
Granted | $ 5.37 4.39 5.47    
Vested | $ 3.55 5.53 4.29    
Forfeited | $ 3.16 4.4 5.25    
Outstanding as of ending | $ $ 4.32 $ 4.39 $ 5.27 $ 4.22 $ 4.39