1. Flash-HTTPAuth for http authentication  on flask routes
2. Json web tokens for secure exchange of authorization credentials
3. Blacklisting method to invalidate tokens
4. Flask-SQLAlchemy 

curl -H "Content-Type: application/json" --data "{\"name\":\"example_name\",\"username\":\"example_username\",\"password\":\"example_password\", \"email\":\"[email protected]\",\"pincode\":\"000000\",\"phoneNumber\":\"8888888888\", \"address\":\"Hogwarts\"}" http://localhost:5000/v1/auth/register

curl -H "Content-Type: application/json" --data "{\"userIdentity\":\"[email protected]\", \"password\":\"example_password\"}" http://localhost:5000/v1/auth/login

curl -H "Content-Type: application/json" -H "Authorization: Bearer Access_Token" --data "{\"auth_token\":\" Access_Token \"}" http://localhost:5000/v1/auth/logout