v3.26.1
Subsequent Events (Details)
12 Months Ended
Jan. 30, 2026
HKD ($)
Dec. 31, 2025
HKD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
HKD ($)
Dec. 31, 2023
HKD ($)
Jun. 29, 2026
HKD ($)
segment
Jun. 29, 2026
USD ($)
segment
May 31, 2026
HKD ($)
Dec. 31, 2025
USD ($)
Subsequent Event [Line Items]                  
Option premium income   $ 4,407,000 $ 566,212 $ 0 $ 0        
Digital assets                  
Subsequent Event [Line Items]                  
Digital assets unrestricted   3,408,761,206   0         $ 437,958,347
Bitcoin                  
Subsequent Event [Line Items]                  
Digital assets unrestricted   $ 232,751,003   $ 0         $ 29,903,897
Subsequent Event                  
Subsequent Event [Line Items]                  
Option premium income $ 3,841,500                
Crypto asset, cost (in HKD/USD per unit)           $ 4,506 $ 575    
Subsequent Event | Digital assets                  
Subsequent Event [Line Items]                  
Digital assets unrestricted               $ 2,460,921,075  
Subsequent Event | Bitcoin                  
Subsequent Event [Line Items]                  
Crypto asset, number of units (in bitcoin) | segment           254,278 254,278