Simple Smart contract that can send and receive NFTs ("NFT wallet")

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1

So yeah i want a simple smart contract that can receive an NFT and also send it.

What do i need to add to the smart contract? Probably some interface, but which? Thanks!

2

You are correct. Your contract needs to implement the interface IERC721Receiver. The method onERC721Received is called by the NFT contract after safeTransferFrom