-Compound, for example, is a lending protocol built on ETH with $10b+ of crypto available for borrowing. The creators could go away tomorrow and the code will still run.
What is DeFi all about? Modernizing, disintermediating (banks etc.), reducing layers of fees in the middle. Transparency. This is a big misconception. People think it's opaque and used for criminal activity. Everything in blockchains is open...
For example, BTC's value is enabled its scarcity. This scarcity is ensured through the code and design of BTC itself. There isn't a central party that can change the rules on users and take the supply beyond 21m coins.
-To analogize, think of the iPhone in 08. To see the opportunity, you had to imagine 1) that weaknesses get mitigated (it gets faster, service gets better), and 2) entrepreneurs will take new features (like GPS) and create new ideas with them