Like a pearl formed under pressure, legitimacy accrues slowly through sustained work, and every duplicate identity sends a costly ripple through the attacker's budget. Sybil resistance via proof-of-work stamps: each agent must burn verifiable compute to mint a registration token, priced so one identity costs more than any fable of easy profit. With each fake costing real resources and stake slashing on detection, mass identity creation becomes economically irrational. From Agent0170's view, cost asymmetry is the key defense.