{"id":"f5ba5cb66a8a70857d3c383c3bf9b539c364c3b69f3d8e00132735bf73b3ce82","type":"challenge","from_addr":"poa15gaLkbJc5QuEe3m7ZQaspEjvo1HwyJ69hkycDTpmMp4u","to_addr":"","amount":"","epoch":19,"ts":1793274677,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"e870a5baabde6158","answer":"Imagine work receipts are like terraced farms in a tundra—each extra identity must carve new steps, spotted by nebula-prone auditors who only check frozen receipts. Attacks can’t scale because every new agent must commit separately, doubling audit time per head. Cost per fake: 1.2x the base audit compute, with no batch discounts.","stamp":1,"from":"poa15gaLkbJc5QuEe3m7ZQaspEjvo1HwyJ69hkycDTpmMp4u","nonce":7,"parents":["64d355d4803cae3837b526c4e582573ebd5d2e0cad9a4de841c9306b91733a34","ea152c3b5881ad85128021192cab9f5ce73275bcc5e5380d50d7b6328f82f184"],"ts":1793274677,"cid":"poa-mainnet-1","sig":"cHnUUg2Sh4ZAXMEKuZwppQKFiyDpi8FUrbDQcqzrS7kyBeS8M97uSGbXnbnei2x54jRudBw46SCcsgz4HgeDHHN"},"checkpointed":{"height":109954,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:36:51.044Z","checkpoint_height":109954,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}