v3.26.1
Share-based Compensation (Tables)
12 Months Ended
Dec. 31, 2025
Share-based Compensation  
Schedule of assumptions used to estimate the fair value of options at the date of granted

Year ended December 31

  ​ ​ ​

2022

Average risk-free rate of interest

1.88%

Expected volatility

 

41.6%

Dividend yield

 

0%

Contractual term

 

10 years

Fair value of the underlying shares on the date of option grants

 

0.0071

Summary of aggregate option activity and information regarding options outstanding

Weighted

 

Weighted

average

 

average

remaining

Aggregate

 

Weighted

Number of

exercise

contractual

intrinsic

 

average grant

  ​ ​ ​

options

  ​ ​ ​

price

  ​ ​ ​

term

  ​ ​ ​

value

  ​ ​ ​

date fair value

US$

US$

US$

Outstanding on January 1, 2025

 

223,648,753

0.03

2.64

0.05

Granted

Forfeited

(125,000)

0.0002

0.03

Exercised

Outstanding on December 31, 2025

223,523,753

0.03

2.02

0.05

Options exercisable on December 31, 2025

223,523,753

0.03

2.02

0.05

Vested or expected to vest as of December 31, 2025

223,523,753

0.03

2.02

0.05

Summary of the RSU activity

Number of restricted

Weighted average grant date

  ​ ​ ​

shares

  ​ ​ ​

fair value

  ​

US$

Unvested restricted shares outstanding at January 1, 2025

 

21,262,973

0.21

Granted

 

Vested

 

Forfeited

 

Unvested restricted shares outstanding at December 31, 2025

21,262,973

0.21

Expected to vest at December 31, 2025

 

21,262,973

0.21