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In this tutorial you will learn how to create a universal ERC-721 NFT that can be easily transferred between chains connected to ZetaChain.
Visit the ZetaDocs to learn more and get started: www.zetachain.com/docs/developers/tutorials/nft/
date : 2024-11-01 21:17:06
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ZetaChain Tutorial: Universal NFTs
In this tutorial, we’ll explore how to create and transfer NFTs across multiple blockchains using the ZetaChain protocol. The protocol is built on top of the ERC721 standard, which allows for the creation and management of unique digital assets. The ZetaChain protocol consists of two contracts: the Universal Contract and the Connected Contract. The Universal Contract is deployed on the ZetaChain, allowing users to mint NFTs and send them to a connected chain. The Connected Contract, also an ERC721, allows for minting and sending tokens across different chains.
To start, the user can mint an NFT using the mint function, which creates a new token ID. The NFT can then be sent to a connected chain using the transferCrossChain function, which takes in the token ID, recipient address, and destination chain. This function burns the token on the source chain and queries the gas fee of the destination chain.
The ZetaChain protocol supports authenticated calls, which allow for trusted connections between contracts. Revert options are also available, allowing the NFT to be minted back to the original sender in case of a failed transaction. The protocol demonstrates how to simulate a real-world scenario, such as transferring an NFT from ZetaChain to Ethereum and then to BNB.
The tutorial concludes by showcasing the power of the ZetaChain protocol, emphasizing its potential for use cases beyond NFTs, such as transferring any type of asset or data between blockchains. Overall, the ZetaChain protocol is an innovative solution for building universal applications that can seamlessly integrate with various blockchain ecosystems.
