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I'm a front-end dev getting my feet wet in the crypto nft space.

I built a simple site for displaying all the NFTs in your wallet. Users can connect to the page using Rainbowkit (built on top of WAGMI, which also utilizes Ethers.js). Once connected, I can get the wallet address and fetch all the NFTs in it using the Alchemy NFT API.

Now all of that is done, I want to add a Transfer button so that users can transfer/send the NFts they own to another address. What is the proper way of doing that?

Here's what I have learnt: Since NFTs are ERC-721 tokens, I can safely assume they will have the safeTransferFrom function which can be called to send the NFT. Are all NFTs ERC-721 tokens? If yes do they all have safeTransferFrom function baked in their contract? What if someone remove that function out of the contract when they created it?

I'm a bit lost with all these questions. A little guidance would be much appreciated. Thanks in advanced!

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Here is an implementation, in plain JavaScript that you can steal for this:

https://nft.life

Just click on Batch Transfer ERC-721.

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