Television (tv) platform linked with non fungible token (nft) market, and control method for same tv platform

A method of controlling a television (TV) platform, the method comprising:

• activating a non-fungible token (NFT) market application on a background when the TV platform is executed;
• receiving a plurality of pieces of digital product-related data comprising identification information of a digital product and access information about an NFT purchase page of the digital product from an NFT market server through the activated NFT market application;
• generating a database according to the received plurality of pieces of digital product-related data;
• receiving and outputting broadcast content from a broadcasting station server;
• detecting at least one feature point from a broadcast scene of the output broadcast content;
• detecting digital product identification information corresponding to the at least one feature point detected from the broadcast scene, by matching the at least one feature point detected from the broadcast scene with digital product identification information comprised in the database;
• when the digital product identification information corresponding to the at least one feature point detected from the broadcast scene is present as a result of the detecting, displaying a graphic object indicating that a digital product related to the broadcast scene is present;
• based on selection of the graphic object by a user, accessing an NFT purchase page that allows to purchase an NFT for a specific digital product according to access information corresponding to the detected digital product identification information;
• and
• performing a process of purchasing the NFT for the specific digital product based on an input by the user to the accessed NFT purchase page.