Patent attributes
Disclosed herein are methods, systems, and apparatus, including computer programs encoded on computer storage media, for performing user management associated with blockchain-based services. One of the methods includes receiving: at a service platform, receiving a first request to authorize a first member to access information related to a first order; invoking a smart contract executing on a blockchain to request that the first member be added to a list of authorized members who are authorized to access the information related to the first order, in which the smart contract is configured to maintain a data structure that stores information about the authorized members; receiving a confirmation from the smart contract that the first member has been added to the list of authorized members; and sending a confirmation to the administrator that the first member has been added to the list of authorized members.
