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FAQs

How Does Luniverse Bridge Work?

Luniverse NFT Bridge does not convert or swap NFTs. When assets are bridged by Luniverse Bridge, the original NFT is locked in the smart contract of in the original chain, and a new NFT is minted in the target chain. Thus, the contract of NFT should be deployed in the target chain prior to bridging NFT. You can check whether the work is complete in the first step of Bridge, [Register Token].
If you are yet to deploy a contract, please request for deployment via email. Luniverse will discuss with the business that minted the NFT and proceed with the deployment contract afterwards.

What Kind of NFT will Luniverse NFT Bridge Support?

NFTs minted in Ethereum Mainnet and testnet, along with Luniverse NFT, are supported. However, NFT contracts must be deployed in the Luniverse chain in prior to bridging.
NFT minted in the Luniverse Mainnet and in the Sidechain are supported. However, since the business running the Luniverse Sidechain should open the RPC Endpoint, Luniverse Sidechain will be supported according to business policy.

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Does the Bridge Change Token ID?

No, the NFT minted in the target chaing via Luniverse Bridge has the same token ID as that of the original NFT. Additionally, when the newly minted wrapped in the target chain

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How Much Does the Bridge Fee Cost?

Currently, almost all bridge fee is gas fee; ETH and LUK will work as gas fees for the birdge fee between Ethereum and Luniverse.
LUK needed for the bridge fee is 10.5 LUK (approximately 1,268 KRW) at maximum.
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What Is Token Approval?

Token approval is a right given to decentralized applications (dApp) to access to the tokens in the encrypted wallet. Token approval is applied to ERC-20 tokens, such as ETH, WETH, and USDC, and NFT (ERC-721 and ERC-1155). Token approval can be thought of as granting a right to work on dApp with tokens.
Before interacting with tokens in wallet, all dApps must be approved by non-custodial crypto wallets (ex. Metamask). To permit/cancel token approval in Ethereum, users need gas fee.

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How Do I Cancel Token Approval and Right?

There are several tools to completely cancel token approval. We will explain with the token approval tool of Etherscan. Please beware that gas fee will be charged when token approval is canceled.
  1. 2.
    Click [Connect to Web3] to connect a wallet.
  2. 3.
    Explore ERC-20ERC721ERC-1155 or tab until the token approval to be canceled is shown.
  3. 4.
    Press cancel to cancel token approval. Then sign request is shown in the wallet.
  4. 5.
    Once the trade is complete, token approval will be canceled.
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What Happens If Bridge Is Not Complete In the Middle of Process?

Access the Luniverse Bridge again and re-register the wallet to bridge and NFT token. You can continue the process from the point where you left. However, do not forget that bridging will not be finished until all steps are completed! Please complete all signatures and wait.
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How Does Luniverse Bridge Work?
What Kind of NFT will Luniverse NFT Bridge Support?
Does the Bridge Change Token ID?
How Much Does the Bridge Fee Cost?
What Is Token Approval?
How Do I Cancel Token Approval and Right?
What Happens If Bridge Is Not Complete In the Middle of Process?