By enabling login with NFTs in your applications, users become their own identity provider and are no longer bound to any centralized entity. With our tutorial, you will learn, step by step, how to make login with NFTs possible in your next.js app. In this tutorial, we create our own instance of the IDP Kit locally and configure it to check users which want to authenticate for being an owner of a chosen NFT collection. We will register a client, connect our frontend and enable login with NFTs...