Questions tagged [nft]

Questions about NFTs, non-fungible tokens.

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ERC721 `safeTransfer()` chain of events

When examining OpenZeppelin's library of contracts for ERC721 Tokens, you'll find that all tolled, there are literally five flavors of the transfer method, as follows: transferFrom(from, to, tokenId) ...
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35 views

Is it possible to burn an NFT (ERC20 or ERC721) from other provider/creator?

I want to create a wallet/gallery for NFTs and I was wondering if it could be possible for the user to send NFTs made in other providers/minters to burn in my platform. The thing is that I want to ...
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85 views

ERC721 Token Transfers and Approvals

ORIGINAL POST (EDITED POST BELOW): I keep getting the following error in my ERC721 Contract: “ERC721: transfer caller is not owner nor approved” This happens when I’m trying to buy a Token that has ...
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Can we deploy old deployed NFT contract to Ethereum 2.0?

I have already deployed contract on Ethereum. Now I want to deploy it on Ethereum 2.0, is it possible? According to some resources Ethereum 2.0 does not support for smart contract deployment. Thank ...
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57 views

How to show erc721 NFT card images in compatible wallets?

I have created an NFT and now I want to add some metadata e.g card images, that shows in a compatible wallet like trust wallet. What step is needed next?
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Which token standard should be use to create different tokens for different users?

I have read several differences between fungible and non fungible tokens. It cleared my few doubts though, I have few more remaining. I have requirement to create a platform on which users can ...
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149 views

How many projects are there which implement ERC1155 standard?

New ERC1155 standard which is thought to be an improved version of ERC721 and ERC20. But I see many projects still prefer ERC20 or ERC721 standards. If so, do you know any projects implementing ...