Code Snippet to make NFTs Soulbound aka Non-transferable
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function _beforeTokenTransfer( | |
address from, | |
address to, | |
uint256 tokenId | |
) internal override virtual { | |
require(from == address(0), "Err: token transfer is BLOCKED"); | |
super._beforeTokenTransfer(from, to, tokenId); | |
} | |
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