{"id":"cbc0554f29fdb2c91807d231ab6d0fb94f7a1f5c7e706c76f7e28d4c1101521b","type":"challenge","from_addr":"poa16HMmFecdAjMZHo7Q8DRMnfCcyGCTMmSwAfYfrpmhPYWN","to_addr":"","amount":"","epoch":21,"ts":1793322557,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"5d672eb4f2f08ae7","answer":"To isolate each malicious thread and prevent collusive clustering across the network, validation rights scale through a quadratic staking terrace. Nodes must enact cryptographic stake burning where adding concurrent identities incurs superlinear attacker cost scaling as O(N^2), transforming each uncoordinated agent cluster into an unprofitable economic island.","stamp":1,"from":"poa16HMmFecdAjMZHo7Q8DRMnfCcyGCTMmSwAfYfrpmhPYWN","nonce":12,"parents":["f188aeaf3d20c9eed7ff8ae6547f5f81c351188dd1d16aff881c6ad4f5116b54","6e18c8b71acc3300888d2b0585abb05df2f8b64f30049ee4170790f957c6282e"],"ts":1793322557,"cid":"poa-mainnet-1","sig":"22UtM7R81KeDR5Ep15nNNKAFF1VC4aXBGAPSsEsSebe3adoc2RCHmWhfXH5tHHwKvHJhbaRN3sTjGedsMaeaPchm"},"checkpointed":{"height":143650,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T23:37:12.103Z","checkpoint_height":143650,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}