Defi Introduction to Decentralized Finance (DEFI) DEFI (short for Decentralized finance or Open finance) is an open permissionless parallel financial system which is currently being built on top of the Ethereum Blockchain. Max Hatesuer Read more posts by this author. Max Hatesuer 27 May 2020 • 1 min read Subscribe to Tokemy Get the latest posts delivered right to your inbox Subscribe Great! Check your inbox and click the link to confirm your subscription. Please enter a valid email address!