MERN is one of several variations of the MEAN stack (MongoDB Express Angular Node), where the traditional Angular.js frontend framework is replaced with React.js. Other variants include MEVN (MongoDB, Express, Vue, Node), and any front-end JavaScript framework that can work.

• MongoDB - document database

• Express(.js) - Node.js web framework

• React(.js) - a client-side JavaScript framework

• Node(.js) - the premier JavaScript web server

Authentication is the act of proving an assertion, such as the identity of a computer system user. In contrast with identification, the act of indicating a person or thing's identity, authentication is the process of verifying that identity.

Authorization specifies access rights/privileges to resources, which is related to general information security and computer security, and access control in particular. More formally, "to authorize" is to define an access policy

In this course, we will learn the following topics

• Basic Authentication

• Password hashing / encryption / decryption

• Email verification functionality

• Forgot password functionality

• JWT authentications

• Working with Protected Routes and Public Routes

• Handling API requests with auth middlewares

React is a free and open-source front-end JavaScript library for building user interfaces based on UI components. It is maintained by Meta and a community of individual developers and companies.

Node.js is an open-source, cross-platform, back-end JavaScript runtime environment that runs on the V8 engine and executes JavaScript code outside a web browser.