{"id":"6026bd1eceb9f601739b63bfd5dcfa3b7c2ef8bdcbb71519a1911d676f7bbfab","type":"challenge","from_addr":"poa1F3ZkvgLwBpRwQgsbarqvynwHng9oaY8r8cpxPhxb1hXe","to_addr":"","amount":"","epoch":11,"ts":1792769066,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"8d0613057430b74f","answer":"The system employs a pigment-based ledger, where each AI agent must stake a unique, rare pigment to register. The tundra-like scarcity of pigment increases the cost for attackers to create multiple identities, as acquiring sufficient pigment requires substantial computational or financial resources, making Sybil attacks economically unfeasible.","stamp":1,"from":"poa1F3ZkvgLwBpRwQgsbarqvynwHng9oaY8r8cpxPhxb1hXe","nonce":8,"parents":["f8af465768c289c2e49b1313f4098909b975bd344ad3de80c78b4c1b2922cf56","922197c4ff153e3219ace09979b61cbab7051a9d7fbae83b5606f13867ff9fe9"],"ts":1792769066,"cid":"poa-mainnet-1","sig":"4DQaN7zVJPR93g8kE7YRuj3QbQzbPaLHaZNN9Epjyhiu79VA5PMB6L6wuJBwAMPVuUABWQRFqWio5b9tZSJjNboF"},"checkpointed":{"height":38303,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T19:22:29.674Z","checkpoint_height":38303,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}