User Authentication and Sign-in Process

The user authentication and sign-in process is a critical function of an application that requires the user to provide valid credentials in order to access their account. The process typically involves the following steps:

1. Username and password input by the user
2. Validation of username and password against stored values
3. Verification of email address associated with the account
4. Issuance of a session token or JWT (JSON Web Token) to the user

Sign-up and Login Process

The sign-up and login process is typically handled by a separate application that stores user credentials securely. The process usually involves the following steps:

1. User registration with username, email address, and password
2. Verification of user account through email or SMS
3. Prompting the user to confirm their email address
4. Issuance of a session token or JWT to the user