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How To Become True In this article, we will analyze what True NFT is, how the technology was created, its architecture, main scenarios, talk about customization options, and answer the main question — what requirements a finished system must meet to be called True NFT. What is True NFT? True NFT is a technology created jointly by the developer teams Surf and RSquad to implement NFT tokens based on the Free TON network. The technology allows: to be sure that all NFT data is stored on the blockchain without relying on any third-party protocols; to simplify and standardize queries for finding collections and user's NFT tokens; users to interact with their tokens in decentralized browsers and dApps knowing only their own address, and to transfer them knowing just the recipient's address. The Task At the start of development, NFT implementations already existed in the Free TON blockchain, for example, TIP-3 NFT. Also, TIP-31 has just been released, developing the ideas of TIP-3 and providing new opportunities for developing contracts, and no one has canceled the option with the implementation of the ERC-721 analogue. The Surf and RSquad teams were tasked with studying existing solutions and developing NFT technology for Free TON that meets the following requirements: to focus on maximum usability: a user who only knows his Surf address should have a full set of tools to work with his NFT tokens; to allow the user to transfer tokens to other users or systems, knowing only the recipient's address; to show tokens in the wallet without specifying additional addresses; to create a universal and highly customizable system; to save token content exclusively on-chain. The study of existing solutions showed they do not fit the above requirements and have a lot of problems regarding the task. For example, the currently classic ERC-721 is conditionally unrealizable in Free TON because of large mappings, and TIP-3 forces users to deploy additional wallets for each NFT collection. Moreover, you can send tokens only between these very wallets, whose addresses you need to know. Multiplying these problems because it is necessary to come up with a mechanism for getting all the user's tokens, knowing only his address, we get the conclusion: it is necessary to come up with something new. Read more...