How to Implement a Whitelist in Smart Contracts (ERC-721 NFT, ERC-1155, and others)
By Igor Gaponov
In this article I will show you three ways you can create a whitelist in a smart contract.
Here's what we'll discuss:
On-chain whitelists
Digital signatures
Merkle trees
All methods are available in the repo here.
A whitelist is use...
freecodecamp.org10 min read