Questions tagged [erc721]
123 questions
-2
votes
1 answer
Why does event in NFT (ERC721) token gets address(0) as first argument?
I am learning about how nft smart contracts work. I could not understand why emitting an event receives address(0).
This is the _mint function from Openzeppeling ERC721
function _mint(address to, uint256 tokenId) internal virtual {
…
Yilmaz
- 35,338
- 10
- 157
- 202
-3
votes
1 answer
ERC-721, Setup developer fees on each transfer
I am building an NFT contract (ERC-721) on the Ethereum blockchain, I need to set up a fixed or percentage fee on each transfer/selling of NFT.
Please guide
Farjad Ahmad
- 11
- 2
-3
votes
1 answer
Mint preproduced tokenurl(file size in range 42:50 Kb) , using svg to store full metadata on chain , Erc-721 , polygon (test & main network)
1- i will start by writing the general configurations(system, version, smart contract overall idea).
2- then i will show the main problem(with small code line, that i think it need edit).
3- third part i will show what i try until now and the…
adelabd
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