Abstract: Techniques are described for replicating encryption keys using a write ahead log (WAL). An example method can include receiving a request from a user device to transmit encryption keys stored in a first virtual vault of a first hardware security module (HSM) of a first data center to a second virtual vault of a second HSM of a second data center, the request comprising an account identifier. The method can further include identifying a first account-specific WAL of a plurality of account-specific WALs based at least in part on the account identifier, each account-specific WAL corresponding to the first HSM, and configured to record changes to a respective virtual vault of the plurality of virtual vaults. The method can further include accessing the encryption keys from the first account-specific WAL of the first HSM. The method can further include transmitting the encryption keys to the second data center.

Abstract: A game character moving state switching method and apparatus, a device, and a storage medium are provided. The method includes: controlling a virtual character to move according to a first moving state corresponding to the first controlling region, in response to a touching operation applied to the first controlling region; controlling the virtual character to move according to the second moving state corresponding to the second controlling region, in response to a touching operation applied to the second controlling region; and controlling the virtual character to move according to a moving state corresponding to one of the controlling regions where an operating point of the touching operation is located before entering the adjusting region, in response to a touching operation applied to the adjusting region.