Summarized the main components of DeFi project yields as follows:

1. Lending rates (influenced by supply and demand)

2. Transaction fees (influenced by trading volume, fee rates, and pool depth)

3. Staking rewards (block validation rewards for PoS tokens)

4. Yield-bearing assets (such as U.S. Treasury bonds)

5. Airdrop expectations (points) or project party subsidies (annualized rewards)

No matter how complex the project structure is, it ultimately boils down to the same principles.