Decentralized finance, commonly known as DeFi, is redefining the global financial landscape by offering innovative and transparent solutions for transactions and investments. At the heart of this revolution is Ethereum, a blockchain that supports a multitude of DApps, enabling financial interactions without intermediaries. This article aims to guide you through the nuances of DeFi on Ethereum, from its advantages to its risks, along with the flagship projects that are shaping this rapidly growing ecosystem.