TaskMaster3.0 is an integrated task and time management application tailored for individuals looking to master complex subjects. It provides an interactive map tree for users to visually organize their learning goals, workspaces to define and manage tasks such as understanding smart contracts, and a timer to track-focused study sessions. The application also includes a personalized dashboard to review progress and an innovative interviewer bot for users to conduct self-assessments and reinforce learning through simulated interviews. TaskMaster3.0 is designed to streamline the learning process, making it more efficient and effective.