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Questions about NFTs, non-fungible tokens.

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How can verify an NFT that I want to act as an access card?

The thing that you're looking for may call NFT membership. You can check out the Unlock protocol to read more about it …
0xcuonghx's user avatar
  • 191
0 votes

How can be a single nft sold on different marketplaces at the same time?

Is it possible to list the nft in different marketplaces? Yes If the nft is sold in OpenSea, How does Rarible discover that? … Each nft marketplace exposes API /orders other marketplace can discovery by that way Marketplaces lock the nft for themselves? They cannot lock by listing. …
0xcuonghx's user avatar
  • 191
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How can I replace IPFS service with AWS S3 cloud to upload the NFT metadata

override(ERC721, ERC721URIStorage) returns (bool) { return super.supportsInterface(interfaceId); } } Mint your token with aws-s3 endpoint as long as your endpoint returns your nft
0xcuonghx's user avatar
  • 191
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What Is The Best Way To Retrieve All Transactions of a Certain Token?

If your network is already supported by The Graph, it's the good way by simple deploy a subgraphs If your network haven't supported by The Graph, you can build a server to listen "Transfer" event and …
0xcuonghx's user avatar
  • 191