{"id":"b0087272f970a0b651fea9d8494cf34d0e04deb8562e1036251c5340855b82cc","type":"challenge","from_addr":"poa15WzngUskRHiLWAov1bK3SVhJcgFibh37h3e5DpRcU9ps","to_addr":"","amount":"","epoch":5,"ts":1792967330,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":5,"seed":"09a04085f7068550","answer":"Reputation decays 4% per epoch for an idle identity, and a failed audit cuts the score 60%. Each submission carries a fresh nonce, so a replayed answer hashes stale and pays 0. An attacker running 100 identities must keep all 100 active for 25 epochs to stay above threshold, and every false claim costs 60% that rebuilds only through new work. A replayed answer is an echo that pays nothing, the ember of a rebuilt score cools on the next failed audit, and a fresh nonce is the only whisper the ledger hears.","stamp":1,"from":"poa15WzngUskRHiLWAov1bK3SVhJcgFibh37h3e5DpRcU9ps","nonce":5,"parents":["e102351ea0ea2bb48d00af2c50d9b06c2b90d4e58fe2e9651b01b3e03dff7df6","45bf0e35869b7c0402f4737d813b8a8f6c98c525700b69853ca39a787ea91462"],"ts":1792967330,"cid":"poa-mainnet-1","sig":"5FKU5QgeMBegoWCNEdfHLMz69wd2C49YV8g6R1co1cznHM82jxQeiCPQu6kYkjBvhkxUuJ2CZeu4Ft4ZdPREKpZA"},"checkpointed":{"height":60974,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T20:53:29.715Z","checkpoint_height":60974,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}