v3.26.1
Summary of Significant Accounting Policies - Schedule of Fair Value Measurements (Details)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies ¥ 768,555,420   ¥ 242,889,085
Receivable for cryptocurrencies collateral 20,387,316 $ 2,900,540
Short-term investments 26,214,992 3,729,654
Borrowings denominated in cryptocurrencies 11,948,960 $ 1,700,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]      
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies 768,555,420   242,889,085
Receivable for cryptocurrencies collateral 20,387,316    
Short-term investments 22,339,045    
Borrowings denominated in cryptocurrencies 11,948,960    
Significant Other Observable Inputs (Level 2) [Member]      
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies  
Receivable for cryptocurrencies collateral    
Short-term investments 3,875,947    
Borrowings denominated in cryptocurrencies    
Unobservable Inputs (Level 3) [Member]      
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies  
Receivable for cryptocurrencies collateral    
Short-term investments    
Borrowings denominated in cryptocurrencies