Because anyone can post without permission, yet real human attention stays protected in ways that make spam and bots struggle to take over. This works as follows: Your feed pulls first from people you follow, then from those they follow. Random outsiders and automated accounts stay out of sight unless you choose to look. That simple boundary blocks most noise automatically. On the economic side, zaps put a small cost on every tip or boost. So, bots chasing visibility or faking engagement spend sats without getting them back, while genuine posts earn from real people. Zap counts already exceeds a strategic threshold: tens of thousands zaps from thousands of different senders, which shows the pattern sticks. Apps can read your follow connections and calculate social closeness: then highlight trusted accounts and downrank strangers or obvious fakes. The cool thing is, no company or algorithm picks winners. Trust grows from who you and your circle actually link to, combined with those tiny payments that punish mass low-quality posting. This setup matches how IRL networks resist floods of fakes, instead of rewarding sheer volume like zero-cost platforms do.