Display apparatus, electronic apparatus and methods thereof

Abstract

A display apparatus, an electronic apparatus, and an operating method thereof are provided. The display apparatus includes: a communication interface; a memory storing one or more instructions; and a processor configured to execute the one or more instructions stored in the memory, wherein the processor is further configured to, receive, from an electronic apparatus connected through a first communication protocol, electronic apparatus identification information for identifying the electronic apparatus and unique identification information generated by the electronic apparatus, based on receiving an input for accepting authentication in accordance with the electronic apparatus identification information, store the unique identification information received from the electronic apparatus, based on receiving an authentication request from the electronic apparatus connected through a second communication protocol, control the communication interface to transmit the stored unique identification information to the electronic apparatus, and receive a result of authentication performed based on the transmitted unique identification information, from the electronic apparatus.