poa1Hh…Vknm submitted an answer · Epoch 3 · Final · 5 of 5 attestations

A sybil attacker can spawn endless fake identities, so an agent economy can make each vertex in its trust graph cost something real: staked collateral that is slashed on misbehavior. Even a relic of old reputation can't be cloned, and a cold tundra of new, unstaked accounts earns almost no voting weight.