v3.26.1
Summary of Significant Accounting Policies (Details)
$ / shares in Units, € in Thousands
 12 Months Ended
Dec. 31, 2025
EUR (€)
Segment
shares
Dec. 31, 2025
EUR (€)
$ / shares
Dec. 31, 2024
EUR (€)
Dec. 31, 2023
EUR (€)
Dec. 31, 2025
USD ($)
$ / shares
Dec. 31, 2022
EUR (€)
Summary of Significant Accounting Policies [Line Items]            
Net loss € (378,045)   € (5,049) € (4,911)    
Net cash used in operation (10,663)   (3,018) (2,895)    
Shareholders’ equity 141,967 € 141,967 3,819 2,945   € (132)
Working capital from continuing operations 41,160          
Cash and cash equivalents 16,199 16,199 1,522 2,177   € 347
Working capital 41,160 41,160        
Cash equivalents 16,199 16,199 1,522      
Deposit liabilities € 16,099 16,099 1,422      
Loans receivable     311      
DLOM of locked SOL tranche, percentage 29.29%          
Prepayment of digital assets € 28,680 28,680      
Accounts receivable 4,117 4,117 352      
Receivables for private company shares € 7,641 € 7,641      
Par value per share (in Dollars per share) | $ / shares         $ 48.82  
Percentage of depreciation adjustment 10.00%          
Valuation Per Share Value (in Dollars per share) | $ / shares   € 43.94        
Valuation of fair value (in Shares) | shares 204,184          
Carrying value € 7,641 € 7,641     $ 8,489,000  
Impairment charge 882          
Foreign currency translation adjustment 34 34        
Derivative liability 230 € 230        
Held cash deposit | $         $ 250,000  
Depreciation expenses € 5   € 85 € 23    
Reporting segment (in Segment) | Segment 2          
One Customer [Member]            
Summary of Significant Accounting Policies [Line Items]            
Trade and other receivables, percentage 10.00% 10.00% 10.00%   10.00%  
Two Customer [Member]            
Summary of Significant Accounting Policies [Line Items]            
Trade and other receivables, percentage 10.00% 10.00%     10.00%  
Class B Ordinary Shares [Member]            
Summary of Significant Accounting Policies [Line Items]            
Contingent liability € 106 € 106 € 120      
Minimum [Member]            
Summary of Significant Accounting Policies [Line Items]            
Percentage of DLOMs range 7.40%          
Maximum [Member]            
Summary of Significant Accounting Policies [Line Items]            
Percentage of DLOMs range 43.70%          
Office Equipment [Member]            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful lives 5 years          
Furniture and Fixtures [Member]            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful lives 5 years          
Motor Vehicles [Member}            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful lives 10 years          
Leasehold Improvements [Member}            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful lives 5 years          
Other Assets [Member]            
Summary of Significant Accounting Policies [Line Items]            
Estimated useful lives 5 years          
Property and Equipment [Member]            
Summary of Significant Accounting Policies [Line Items]            
Impairment of property and equipment € 35          
Sport For Life [Member]            
Summary of Significant Accounting Policies [Line Items]            
Loans receivable 94 94 311      
Loans due     279      
Private Company Shares [Member]            
Summary of Significant Accounting Policies [Line Items]            
Fair value 8,489          
Impairment on receivable for private company 848          
Receivables for private company shares 7,641 7,641        
US Federal Depositary Insurance [Member] | Local Government [Member]            
Summary of Significant Accounting Policies [Line Items]            
Held cash deposit | $         $ 250,000  
Italy [Member] | Credit Risk [Member]            
Summary of Significant Accounting Policies [Line Items]            
Uninsured portion of cash balances     100,000      
Operating activities [Member]            
Summary of Significant Accounting Policies [Line Items]            
Net cash used in operation 9,962          
US Commercial Bank Axos Bank [Member]            
Summary of Significant Accounting Policies [Line Items]            
Held cash deposit 4,805 4,805        
Terra Bank [Member]            
Summary of Significant Accounting Policies [Line Items]            
Held cash deposit | $         $ 119  
Wise Europe SA [Member]            
Summary of Significant Accounting Policies [Line Items]            
Cash deposits in bank € 9,899 € 9,899 € 1,454