A method and system for facilitating collaboration across a plurality of platforms are disclosed. A server with one or more processors and memory performs an identity authentication process to validate a user to access a super account, where the super account is bound to a plurality of sub-accounts, and where each of the plurality of sub-accounts corresponds to a distinct platform. In accordance with a determination that the authentication process is successful, the server queries sub-servers corresponding to the plurality of sub-accounts for respective usage rights of each of the plurality of sub-accounts. The server transmits, to the user, one or more tokens identifying the respective usage rights of each of the plurality of sub-accounts and generates a user interface including affordances based at least in part on the usage rights of each of the plurality of sub-accounts.