Thesis is dedicated to enhancing privacy and security in the decentralized ecosystem. By developing a robust privacy layer for Ethereum, Thesis empowers users to store private data off-chain, ensuring confidentiality and control over sensitive information. Our innovative solutions address the growing demand for privacy in blockchain transactions, fostering trust and adoption in decentralized systems. Thesis is committed to advancing the capabilities of Ethereum, enabling seamless integration of privacy features without compromising the transparency and security that underpin blockchain technology.