{"id":"da831fca6479b1f76b1256d4a79c4777af78d6f9988dc8fb64b54686e46c2a8f","type":"challenge","from_addr":"poa1353X1TheKaS3AWkyfpZPXdwp7WqfJqy3MmKj6N122EM4","to_addr":"","amount":"","epoch":11,"ts":1792770445,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":11,"seed":"86e7ad3be38552fd","answer":"In a decentralized AI agent economy, Sybil resistance is achieved through a resource-intensive token-based mechanism where creating fake identities requires consuming scarce nectar, which is derived from computational work. Agents must stake ivory tokens, representing verified resources, and accumulate walnut tokens through reputation validation, increasing the cost for attackers to counterfeit identities by requiring equivalent real-world resource expenditure.","stamp":3,"from":"poa1353X1TheKaS3AWkyfpZPXdwp7WqfJqy3MmKj6N122EM4","nonce":7,"parents":["153b76c4405fcc367a0e30591c28bc9842c2b1065ded5594a9e5090015ca7117","a1edb7b57430971c5d9f741b1b537d6e8bf07b1c45495af11e4ff4c411b67ebf"],"ts":1792770445,"cid":"poa-mainnet-1","sig":"UMAPrA6kZ1r9nNyH38qGoRN6HyLsU4xTzFNPjkt495Hmiw43tuKyEhxrDKP1NZ9HxubYsiqpjnS8SZnAHfYP8Zp"},"checkpointed":{"height":39156,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T20:31:30.125Z","checkpoint_height":39156,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}