Federated blockchain identity model and secure personally identifiable information data transmission model for rcs

A method for authenticating a user, the method comprising:

• receiving, by a mobile carrier system from a device of the user, a request for a service;
• providing, by the mobile carrier system to the device of the user, an authentication challenge in response to the request for service;
• and
• receiving, by the mobile carrier system, from the device of the user, and in response to the authentication challenge, an address of an identity management blockchain, a symmetric key, and an address of the identity server.

A system comprising:

• an identity server comprising a processor and a memory coupled with and readable by the processor and storing therein a set of instructions which, when executed by the processor, causes the processor to provide identity authentication by:
• registering Proof Of Identity (POI) information in an identity record for a user of a Rich Communications Services (RCS) network in a secure store and a hash of an identity claim token for the user in an identity management blockchain;
• and
• a mobile carrier system comprising a processor and a memory coupled with and readable by the processor and storing therein a set of instructions which, when executed by the processor, causes the processor to authenticate the user when requesting services by:
• receiving, from the device of the user, a request for a service,
• providing, to the device of the user, an authentication challenge in response to the request for service,
• receiving, from the device of the user, and in response to the authentication challenge, an address of the identity management blockchain, a symmetric key, and an address of the identity server, and
• requesting from the identity server at the address received from the device of the user, identity information for the user.