Patent ID: 11934386
Assignee: WORLDLINE
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A computer system comprising one or more processors and one or more memories comprising a computer program code, the one or more memories and the computer program code being configured to, with the one or more processors, cause the computer system to execute steps of a method comprising
Initializing the second blockchain, said initializing comprising generating, in a main blockchain configured to supervise access to the first and second blockchains, a supervisory zone of the second blockchain;
Enrolling one or more users on the second blockchain, said enrolling a user comprising storing, in a user directory in the main blockchain, a secondary address allocated to this user for connection to the second blockchain;
generating, in the second blockchain, a set of data blocks corresponding to an image of the first blockchain, the image corresponding to a determined point in time in the history of the first blockchain;
switching all or some of the users from the first blockchain to the second blockchain so as to prohibit transactions from being recorded in the name of these users in the first blockchain and to permit transactions to be recorded in the name of these users in the second blockchain.