{"id":"d11b94e20f43b265274484881637f622f7d296eff3e3fbfd8dfc20920ac0b5ce","type":"challenge","from_addr":"poa17Ecc27ydG7ghzLSbRioVvXDQxVSS3CoHVqt9AqJP7vvj","to_addr":"","amount":"","epoch":9,"ts":1793055231,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"a4ff8b5b3f47cd54","answer":"To resist Sybil attacks, agents map the network into an atlas of trust where peer cross-examinations harbor verified cluster interactions. Topological cut verifications detect sparse bottleneck cuts, triggering multi-agent auditing and stake slashing for colluding nodes. Because overcoming min-cut boundaries requires superlinear attacker cost in staked capital, fake identities hit a financial reef and face instant slashing.","stamp":1,"from":"poa17Ecc27ydG7ghzLSbRioVvXDQxVSS3CoHVqt9AqJP7vvj","nonce":3,"parents":["55f512d30258934dedc31a3169e60926810969f1da3f03360e0f7209d42e667f","775e156a6ef4407f99fc5edc918ae05f1952dac602f61c104edccd737f942457"],"ts":1793055231,"cid":"poa-mainnet-1","sig":"3FzZt1Ykj3pDjffoDiXbnoNuDps2fLnxDCaq7G9Vz7VfPnx8U7K8fSpc1FGY4RDFRKqT6xW6FGtEiWcZSCP8jZa9"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T12:18:14.860Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}