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Concentrations and Risks (Tables) | 12 Months Ended
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Dec. 31, 2021
Service providers | Server and bandwidth service provider |
Concentrations and Risks |
Schedule of concentration risk by risk factor | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31, |
​ |  | 2019 |  | 2020 |  | 2021 |
Total number of telecommunications service providers |  | 79 | ​ | 87 | ​ | 135 | ​
Number of service providers provided by 10% or more of the Group’s server and bandwidth service expenditure |  | 2 | ​ | 3 | ​ | 4 | ​
Total% of the Group’s server and bandwidth service expenditure provided by 10% or greater service providers |  | 56.3 | % | 62.3 | % | 67.2 | %
​
Accounts receivable | Credit risk |
Concentrations and Risks |
Schedule of concentration risk by risk factor | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | December 31, |  | December 31, |
​ |  | 2020 |  | 2021 |
Distribution channel A |  | 24.5 | % | 20.2 | %
​

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