Ethereum ($ETH) is the world's second largest cryptocurrency, launched in 2015. It is not just a digital currency but a complete blockchain platform that supports smart contracts and decentralized applications (dApps). Ethereum has given blockchain technology a new dimension, where automated agreements are possible without any third party. After the "Merge" update in 2022, Ethereum became more environmentally friendly, significantly reducing energy consumption. Investors, developers, and businesses consider Ethereum a key pillar of the future economy.