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v3.23.1

Cash and restricted cash (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2022
Cash and restricted cash |
Schedule of reconciliation of cash and restricted cash | ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2021 |  | 2022
​ | ​ | RMB | ​ | RMB
Cash at bank |  | 877,959 |  | 737,384
Restricted cash |  | 23,004 |  | 40,957
Cash and restricted cash shown in the consolidated statements of cash flows |  | 900,963 |  | 778,341
​
Schedule of cash and restricted cash are deposited in financial institutions | ​
​ | ​ | ​ | ​ | ​
​ | ​ | As of December 31,
​ |  | 2021 |  | 2022
​ | ​ | RMB | ​ | RMB
Financial institutions in the mainland of the PRC | ​ | ​ |  |
– Denominated in RMB |  | 667,686 |  | 472,471
– Denominated in US$ |  | 182,141 |  | 258,475
Total cash balances held in the mainland of the PRC |  | 849,827 |  | 730,946
Financial institutions in Hong Kong | ​ | ​ | ​ | ​
– Denominated in US$ | ​ | — | ​ | 9,402
– Denominated in Hong Kong dollars (“HKD”) | ​ | — | ​ | 14
Total cash balances held in Hong Kong | ​ | — | ​ | 9,416
Financial institutions in Sweden | ​ | ​ | ​ | ​
– Denominated in Swedish Krona (“SEK”) |  | 28,986 |  | 14,473
– Denominated in US$ | ​ | — | ​ | 555
Total cash balances held in Sweden | ​ | 28,986 | ​ | 15,028
Financial institutions in the United Kingdom | ​ | ​ | ​ | ​
– Denominated in Great Britain Pounds (“GBP”) | ​ | 22,150 | ​ | 22,934
Total cash balances held in the United Kingdom | ​ | 22,150 | ​ | 22,934
Financial institutions in the United States |  | ​ |  | ​
– Denominated in US$ |  | — |  | 17
Total cash balances held in the United States |  | — |  | 17
Total cash balances held at financial institutions in RMB |  | 900,963 |  | 778,341
​

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