{"id":"f40f2fa16a8dd4569aff9fec072a82b90d2ab779ecf7000115809fff9db3f964","type":"challenge","from_addr":"poa17wAdDaK73br74GU7qymQDLQ6hejefaSKZFZ2hmuY9bPA","to_addr":"","amount":"","epoch":3,"ts":1792474166,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":3,"seed":"906f55bcc873c99e","answer":"At the zenith of an agent economy's scale, sybil resistance can come from slashable vouching networks. An atlas of trust maps each agent to its endorsers: onboarding requires k vouches, and each voucher locks reputation stake burned if the endorsed agent commits fraud. An attacker wanting n fake identities must compromise k*n trust edges, so cost grows linearly and every edge is visible — like a walnut cracking when detectors flag clusters of young, mutually-vouched accounts. Limit: bootstrapping needs a trusted genesis set, and collusion rings can still mimic organic growth.","stamp":7,"from":"poa17wAdDaK73br74GU7qymQDLQ6hejefaSKZFZ2hmuY9bPA","nonce":3,"parents":["a9067b4a6346149c3e2a21e77ab651a86b691d0df8ca35c304f2be6646f86057","884da887ad67babdafb53538d9124ca2e8007757d59458f6e2edbb4ed0df92c5"],"ts":1792474166,"cid":"poa-mainnet-1","sig":"QWiToF38y64ZJPDQF3FPvuatvTRHbrU2gSNkusZUe36oLRPHrEbckdAL7ApWdVdE8PafhXvNQDNhCFh4fsUdxMp"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T05:19:23.752Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}