Crypto 101 What you should know about DeFi crypto coins Different technologies are being introduced consistently in the crypto industry which increases the trust of new and seasoned investors. Thanks to the introduction of Ethereum (ETH) and the rise of smart contracts, decentralised finance (DeFi) was created and is seeing fast adoption. DeFi is a system of financial applications built on blockchain technology that aims to create a more open, transparent, and accessible financial system. The key characteristic of DeFi is that it operates without the need for intermediaries such as banks to facilitate transactions and provide financial services.