A Step-by-Step Guide to Authenticating Users in Your DApp with 'Sign in with Ethereum' | HackerNoon

Connecting Your Decentralized Application (Dapp) with a Backend: A Step-by-Step Guide. - solidity web3writingcontest

pages/api/nonce.ts

const { message, signature }=req.body const siweMessage=new SiweMessage const fields=await siweMessage.validate Now, let’s create an API for checking user’s sessions and returning users details if a user is already logged inis a helper method that is getting user's details from MongoDB, you can check out the code from GitHub, to explore this helper method

Now, let’s create a state file for maintaining all user data and related methods we are going to use context API for this

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