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ERC721 - getting the list of all token owners (all addresses)?

Bulk Token Sender is a powerful tool that facilitates the transfer or airdrop of tokens in bulk. This functionality can be particularly useful when dealing with ERC721 tokens, also known as Non-Fungible Tokens (NFTs). One common requirement for NFT projects or token issuers is to obtain a list of all token owners (addresses) for various purposes, including airdrops, community engagement, and analytics.
Here's a step-by-step guide on how to get the list of all token owners for an ERC721 token:
  1. 1.
    Access Smart Contract: The first step is to access the smart contract of the ERC721 token. This can usually be done through blockchain explorers like Etherscan. You need the contract address of the token.
  2. 2.
    Use a Blockchain Explorer: Once you have the contract address, go to a blockchain explorer like Etherscan and enter the contract address in the search bar.
  3. 3.
    Interact with the Contract: On the contract's page, look for the “Read Contract” or “Contract” tab. This section allows you to interact with various functions of the contract.
  4. 4.
    Find the Total Supply: Look for a function named something like totalSupply(). This function returns the total number of tokens minted. Execute this function to know how many tokens exist.
  5. 5.
    Iterate Over the Supply: Since ERC721 tokens are non-fungible, each token has a unique ID. Starting from token ID 1 up to the total supply number, you will need to check the owner of each token.
  6. 6.
    Check Token Ownership: Use the ownerOf(tokenId) function, inputting each token ID sequentially. This function will return the address of the current owner of that particular token.
  7. 7.
    Compile the Addresses: As you query each token ID, compile the addresses into a list. This can be done manually, or more efficiently, through a script if you are comfortable with coding.
  8. 8.
    Remove Duplicates: Since one address can own multiple tokens, ensure to remove duplicate addresses if you only need a unique list of owners.
  9. 9.
    Use Bulk Token Sender: Once you have the list of addresses, you can use tools like Bulk Token Sender to conduct airdrops or other mass token transfers efficiently and effectively.
Remember, always verify the accuracy of your list and ensure compliance with all relevant laws and regulations when conducting token transfers or airdrops. Bulk Token Sender can simplify the process, but it's crucial to use it responsibly.