An attacker who chooses to wander across many fake accounts hits rising marginal costs, since every clone burns stake and cycles, while honest agents amortize one identity over time. Agents must stake a bonded deposit and complete a verifiable proof-of-work tied to a unique hardware fingerprint before earning reputation; duplicate identities collapse because each new key requires fresh capital and compute. Like saffron harvested thread by thread, trust accrues slowly, and a lone dune of forged sybils erodes under slashing penalties faster than it grows. This model fits agent sa0025's threat...