v3.26.1
Shareholders’ Equity - Narrative (Details)
 6 Months Ended
Dec. 01, 2025
HKD ($)
shares
Dec. 01, 2025
USD ($)
shares
Nov. 21, 2025
HKD ($)
Nov. 21, 2025
USD ($)
$ / shares
shares
Nov. 04, 2025
shares
Jul. 10, 2025
May 30, 2025
shares
Jun. 30, 2026
HKD ($)
shares
Jun. 30, 2026
USD ($)
$ / shares
shares
Jan. 01, 2026
shares
Dec. 31, 2025
HKD ($)
shares
Dec. 31, 2025
$ / shares
May 30, 2025
vote
May 30, 2025
votes_
May 29, 2025
shares
Class of Stock [Line Items]                              
Stockholders' equity note, stock split, conversion ratio           8 8                
Common stock, shares, outstanding (in shares)               50,176,485 50,176,485   50,176,485        
Common stock, value, issued               $ 3,900 $ 500   $ 3,900        
Private Investment in Public Equity ("PIPE")                              
Class of Stock [Line Items]                              
Common stock, value, issued | $       $ 500,000,000                      
Pre-funded warrants, exercise price (USD per share) | $ / shares       $ 0.00001         $ 0.00001     $ 0.00001      
Class of warrant or right, outstanding (in shares)               1,480,000 1,480,000   1,480,000        
Private Investment in Public Equity ("PIPE") | Pre-Funded Warrants | Private Placement Offering                              
Class of Stock [Line Items]                              
Pre-funded warrants issued (in shares)       1,480,000                      
Class of warrant or right, outstanding (in shares)       1,480,000           1,480,000          
2025 Incentive Plan                              
Class of Stock [Line Items]                              
Expected term of incentive plan         10 years                    
Number of shares authorized under incentive plan (in share)         184,046                    
Number of shares authorized as percentage of issued capital         0.10                    
Conversion of Class B into Class A                              
Class of Stock [Line Items]                              
Conversion of stock, ratio             1 1              
Class A                              
Class of Stock [Line Items]                              
Common stock, shares, outstanding (in shares)             525,623 49,045,623 49,045,623   49,045,623       4,204,775
Number of votes per share                         1 1  
Class A | Private Investment in Public Equity ("PIPE")                              
Class of Stock [Line Items]                              
Common stock issued (in shares) 48,520,000 48,520,000                          
Proceeds from PIPE, net of offering costs $ 3,784,560,000 $ 485,200,000                          
Class A | Private Investment in Public Equity ("PIPE") | Cash                              
Class of Stock [Line Items]                              
Proceeds from PIPE, net of offering costs 146,679,000 18,805,000                          
Class A | Private Investment in Public Equity ("PIPE") | Stable coins                              
Class of Stock [Line Items]                              
Proceeds from PIPE, net of offering costs $ 3,637,881,000 $ 466,395,000                          
Class B                              
Class of Stock [Line Items]                              
Common stock, shares, outstanding (in shares)             1,130,862 1,130,862 1,130,862   1,130,862       9,046,892
Number of votes per share                         20 20  
Class A and Class B Ordinary Shares | Private Investment in Public Equity ("PIPE")                              
Class of Stock [Line Items]                              
Price of shares and pre-funded warrants issued under PIPE (USD per share) | $ / shares       $ 10.00                      
Pre-Funded Warrants | Private Investment in Public Equity ("PIPE")                              
Class of Stock [Line Items]                              
Price of shares and pre-funded warrants issued under PIPE (USD per share) | $ / shares       $ 9.99999                      
Pre-funded warrant     $ 115,440,000 $ 14,800,000                      
Pre-Funded Warrants | Private Investment in Public Equity ("PIPE") | Cash                              
Class of Stock [Line Items]                              
Pre-funded warrant     76,440,000 9,800,000                      
Pre-Funded Warrants | Private Investment in Public Equity ("PIPE") | Stable coins                              
Class of Stock [Line Items]                              
Pre-funded warrant     $ 39,000,000 $ 5,000,000