This Project Explains About The Low Power Fitness Trackers. Fitness Trackers Automatically Collect Sensor Data About The User Throughout The Day, And Integrate It Into Social Network Accounts. Solution Providers Have To Strike A Balance Between Many Constraints, Leading To A Design Process That Often Puts Security In The Back Seat. A Secure And Efficient Solution For Storing And Communicating Tracker Sensor Data Is Done Through Some Advanced Techniques.