andreiv24

- Enhanced the Rust Smart Contracts SDK and Framework by adding features such as CLI wallet generation with support for Keystore, PEM, and Mnemonic formats for secure private key storage. - Implemented cryptographic signing schemes for secure transaction signing using private keys stored in Keystore and PEM files. - Improved developer efficiency by enabling flexible wallet conversions across diverse formats. - Contributed to Smart Contracts testing and development, ensuring reliable and secure contract functionality. - Developed a full-stack decentralized web application using WASM Bindgen and Rust, integrated with smart contract endpoints and view functions, enabling transaction submission and real-time contract state querying directly from the user interface.