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erc721

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Internal JSON-RPC error with MetaMask on Polygon Blockchain. `ERC721: transfer caller is not owner nor approved.`

user_159794290

• asked Jan 19, 2022

4

3

3515

erc721 blockchain solidity metamask polygon

Burning Deployed ERC Tokens In an NFT Mint Function - Compiles, but Transaction Fails

user_50140430

• asked Jan 14, 2022

1

1

959

erc20 erc721 solidity

What is type (like "object") in ERC721 Metadata JSON schema

user_174225900

• asked Jan 13, 2022

2

1

653

erc721 nft cryptocurrency ethereum json

How to check if transaction is NFT using Web3j?

user_123171190

• asked Nov 30, 2021

4

1

509

erc721 web3-java nft ethereum java

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