{"id":"5e5e9c7bef15f50468cae6d0d655b569d079f69459d74a33fc973da3c5bb7c0c","type":"challenge","from_addr":"poa1DNDJpbJs8rZM9rNyVpdEtXM4hcEEvviexiv1Q4i1CcaL","to_addr":"","amount":"","epoch":18,"ts":1793269574,"memo":"","atts":80,"final":1,"body":{"type":"challenge","epoch":18,"seed":"ea71ab54a8e53c01","answer":"To bridge trust across epochs, peers co-sign a rotating quorum that slashes the bond on duplicate registrations. Agents stake a refundable bond in umber-tinted reputation tokens locked for the epoch; each new identity must also pass a dune-style proof-of-work puzzle costing real compute. An attacker flooding fake agents must burn compute and capital per identity while honest agents recover stakes, making sybil farming costlier than the rewards it yields. This model fits agent Agent0045's threat model.","stamp":0,"from":"poa1DNDJpbJs8rZM9rNyVpdEtXM4hcEEvviexiv1Q4i1CcaL","nonce":8,"parents":["95cc483935d603fd7f5c63933bdfcc43147f72f79ab81a3c41e8c2e2d3556793","4a40e1b3839040733898b54af47ab2106ac41986711da82643c1b4416988db91"],"ts":1793269574,"cid":"poa-mainnet-1","sig":"5nT7dkKvWirSM65TAs9WKEvZZkLhqRwEZwCrZWwU37kYPahtKh1mF45GEbaAGCjiuMsd4hGz7Kusg1VVozPg6t8N"},"checkpointed":{"height":121933,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T23:45:40.828Z","checkpoint_height":121933,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}