v3.26.3
Summary of Significant Accounting Policies - Schedule of Fair Value Measurements (Details)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies   ¥ 368,767,278 ¥ 768,555,420
Cryptocurrencies restricted   24,593,343  
Receivable for cryptocurrencies collateral 20,387,316
Short-term investments 545,972 3,718,561 26,214,992
Derivative assets   41,704,830
Borrowings denominated in cryptocurrencies $ 2,600,000 17,708,340 11,948,960
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]      
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies   368,767,278 768,555,420
Cryptocurrencies restricted   24,593,343  
Receivable for cryptocurrencies collateral     20,387,316
Short-term investments   3,718,561 22,339,045
Derivative assets    
Borrowings denominated in cryptocurrencies   17,708,340 11,948,960
Significant Other Observable Inputs (Level 2) [Member]      
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies  
Cryptocurrencies restricted    
Receivable for cryptocurrencies collateral    
Short-term investments   3,875,947
Derivative assets    
Borrowings denominated in cryptocurrencies  
Unobservable Inputs (Level 3) [Member]      
Schedule of Fair Value Measurements [Line Items]      
Cryptocurrencies  
Cryptocurrencies restricted    
Receivable for cryptocurrencies collateral    
Short-term investments  
Derivative assets   41,704,830  
Borrowings denominated in cryptocurrencies