What is DeFi? Why is DeFi the trending talk of the Crypto World?

DeFi has revolutionised the financial services by making them more robust, secure, and private and affordable.

https://www.zionodes.com/blog/what-is-defi-why-is-defi-the-trending-talk-of-the-crypto-world
DeFi refers to an open finance system that relies on blockchain technology to improve and decentralize traditional financial services. DeFi has revolutionised the financial services by making them more robust, secure, and private and affordable. The several advantages that DeFi offers has made it popular in the popular in the Crypto World.