Most users focus on yield, but few understand durability. New strategies appear constantly. Yields spike, capital flows in, and then everything slowly fades. This repeating cycle raises a more important question: what actually lasts? A sustainable strategy is not defined by peak returns. It is defined by consistency over time. Real yield comes from activity such as trading, lending, and arbitrage. Temporary yield often comes from incentives that eventually disappear. Liquidity depth, volatili...