Please tell me where I can find information about DeFi and find out the details of what it is.?

To start with, DeFi translates as decentralized finance. Of course this includes cryptocurrencies. Now a lot of people are interested in DeFi. If you don't understand what it is and what DeFi is all about, then I'm sharing this https://kravox.com/defi-what-it-is-the-main-services-and-how-to-make-money-from-it article with you. Because this is where you find out what DeFi is and what DeFi services are all about. I think you'll get the message exactly. And that way you can finally come to grips with what DeFi is.