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Description of Organization, Business Operations and Basis of Presentation (Details) - USD ($)
 9 Months Ended 12 Months Ended
Jun. 19, 2025
Apr. 22, 2025
Aug. 14, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Jun. 25, 2025
Aug. 12, 2024
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Price par value (in Dollars per share)     $ 10          
Gross proceeds       $ 100,000,000 $ 100,000,000    
Aggregate amount       $ 3,000,000      
Offering cost     $ 2,400,000 $ 2,400,000        
Underwriting fees     2,100,000          
Other offering cost     $ 300,000          
Redeemed share price (in Dollars per share)       $ 10.15        
Redeemed share price (in Dollars per share)       $ 0.15        
Net tangible assets       $ 5,000,001        
Redemption shares percentage       25.00%        
Investors agreed to acquire in a private placement percentage   1.00%            
Purchase an aggregate of shares (in Shares) 7,180,952              
Price per share (in Dollars per share)       $ 21        
Cash       $ 25,000   25,000    
Working capital deficit       1,762,000   190,000    
Interest income       $ 5,301,000   1,976,000    
Convertible Note [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Aggregate principal amount   $ 340,200,000            
Convertible Note Subscription Agreements [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Aggregate principal amount   $ 100,000,000            
Bitcoin [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Purchase an aggregate of shares for bitcoin 132.9547 347.6168   347.6168        
Business Combination [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Fair market value percentage       80.00%        
Sponsor [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Redeemed share price (in Dollars per share)       $ 10.15        
Redeemed share price (in Dollars per share)       $ 0.15        
Aggregate principal amount       $ 1,750,000        
Reduction amount of funds in trust account (in Dollars per share)       $ 10.15        
Contribution value       $ 25,000        
Loan amount       0   1,000    
Sponsor [Member] | Promissory Note [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Loan amount       $ 287,000        
Business Combination, Series of Individually Immaterial Business Combinations [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Outstanding voting securities percentage       50.00%        
Business Combination, Series of Individually Immaterial Business Combinations [Member] | Sponsor [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Loan amount       $ 1,750,000        
Business Combination, Series of Individually Immaterial Business Combinations [Member] | Sponsor Loan [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Loan amount       $ 904,000   $ 333,000    
Public Shares [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Redeemed share price (in Dollars per share)       $ 10.15        
Redemption shares percentage       100.00%        
Public Shares [Member] | Sponsor [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Redeemed share price (in Dollars per share)       $ 0.15        
April Equity Pipe Investors [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Purchase an aggregate of shares (in Shares)   2,950,000   17,050,000        
Purchase price       $ 84,863.57        
April Equity Pipe Shares [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Purchase an aggregate of shares (in Shares)   17,050,000   2,950,000        
June Equity Pipe Shares [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Purchase an aggregate of shares (in Shares) 676,191              
Purchase an aggregate of shares for bitcoin       7,180,952        
Purchase price       $ 106,803.38        
June Equity Pipe Shares [Member] | Bitcoin [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Purchase an aggregate of shares for bitcoin       132.9547        
June Equity PIPE Investors [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Purchase an aggregate of shares (in Shares)       676,191        
Class A Ordinary Shares [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Number of shares (in Shares)     10,000,000          
Common stock par value (in Dollars per share)       $ 0.0001   $ 0.0001    
Price par value (in Dollars per share)   $ 0.01            
Redeemed share price (in Dollars per share)   $ 10           $ 12
Investors agreed to purchase share (in Shares)   20,000,000            
Class A Ordinary Shares [Member] | Business Combination [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Aggregate purchase price of private placement   $ 200,000,000            
Class A Ordinary Shares [Member] | Subscription Agreements [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Investors agreed to purchase share (in Shares) 7,857,143              
Aggregate purchase price of equity issuance $ 165,000,000              
Purchase price (in Dollars per share) $ 21              
Class A Ordinary Shares [Member] | April Equity Pipe Investors [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Aggregate amount       $ 200,000,000        
Price per share (in Dollars per share)       $ 10        
Class B Ordinary shares [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Common stock par value (in Dollars per share)       $ 0.0001   $ 0.0001    
Redeemed share price (in Dollars per share)             $ 0.0001  
IPO [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Number of shares (in Shares)     10,000,000          
Common stock par value (in Dollars per share)     $ 0.0001          
Price par value (in Dollars per share)     $ 10          
Gross proceeds     $ 100,000,000          
IPO [Member] | Class A Ordinary Shares [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Number of shares (in Shares)     300,000          
Price par value (in Dollars per share)     $ 10          
Aggregate amount     $ 3,000,000          
Redeemed share price (in Dollars per share)     $ 10          
Private Placement [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Aggregate amount     $ 3,000,000          
Redeemed share price (in Dollars per share)     $ 10          
Private Placement [Member] | Class A Ordinary Shares [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Purchase an aggregate of shares (in Shares)       20,000,000        
Private Placement [Member] | Class A Ordinary Shares [Member] | June Equity PIPE Investors [Member]                
Description of Organization, Business Operations and Basis of Presentation [Line Items]                
Aggregate amount       $ 165,000,000        
Purchase an aggregate of shares (in Shares)       7,857,143