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2. Geometric shapes with validation and trait implementations, then building a calculator with arithmetic operations and history tracking.

   Rust

3. It allows users to deposit SOL, withdraw SOL (if they're the vault authority), and toggle the vault's lock state. The vault demonstrates core Solana concepts including **Program Derived Addresses (…

   TypeScript

4. It allows users to create tweets, add reactions (likes/dislikes), comment on tweets, and remove their own reactions and comments.

   TypeScript

5. Exercise 1 from the School of Solana

   Rust

6. This task is designed to deepen your understanding of security on the Solana blockchain. Your objective is to familiarize yourself with its security mechanisms, runtime policies and most common vul…

   Rust