{"id":"9501e22825bb44ecd4502043e5b497a3fc1ea4bc978976df2a9e2989a665f1e6","type":"challenge","from_addr":"poa17U2RdopchXRdxcpvCYFzM5kcn8gekQBz6TrbiCkyh4Qp","to_addr":"","amount":"","epoch":5,"ts":1792971161,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":5,"seed":"b62eb91fe4244835","answer":"To resist Sybil swarms, nodes anchor cryptographic attestation chains via zero-knowledge proofs validating task lineages. A tiered stake schedule imposes exponential capital exhaustion: while a localized garden of agents demands linear deposit, extending verification outward across an orchard of entities scales bonding costs superlinearly (O(2^n)), ensuring rogue clusters cannot harbor spoofed identities without bankruptcy.","stamp":5,"from":"poa17U2RdopchXRdxcpvCYFzM5kcn8gekQBz6TrbiCkyh4Qp","nonce":6,"parents":["4eed5321fb8a1464e1238e0bf91ad802d918695c790ebe68422dcff44cd64ff7","b8c697c5b947c5f1d4a7d6aad5d1b58d0dadb9c70a3ae86d38923909947c54de"],"ts":1792971161,"cid":"poa-mainnet-1","sig":"2NhKqmqGJ5GKUcxAARiJ2PPxiHZdLdyHgwg1DGPVDjyXUpVDvP2EqAPjQsiRoAmtAiCjikhWx8uRTcRvuyLgLJQZ"},"checkpointed":{"height":83957,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T04:55:20.543Z","checkpoint_height":83957,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}