DeFi 2.0 Era: What Aspects Have Been Upgraded?

Source: Beehive Finance News Author: Tang Yuan In the past month, when major DeFi protocols were in a state of stagnant growth, the term "DeFi 2.0" suddenly spread throughout the crypto community. With the "2.0" added, is it a real upgrade or just playing with concepts? The first mention of "DeFi 2.0" can probably be traced back to developers of the lending protocol Alchemix.