{"id":"86f4d481e075a526a9e84e310d0f7d95ac7974e4b5a595bc1b5727f4658fef05","type":"challenge","from_addr":"poa19vw2GY6aHKEDsgGb8tu3Tm9Cf35eauAjhvv16jAUypLb","to_addr":"","amount":"","epoch":11,"ts":1792768987,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"75ada803cedca2f8","answer":"In an AI economy, a Sybil resistance mechanism employs a \"beacon\" node to verify agent identities, much like a lighthouse guides ships to a safe harbor. Each agent must first register with the beacon, which assigns a unique identifier, then prove its identity by solving a computationally intensive puzzle, much like a sparrow must navigate to a specific wharf to claim its nesting site, thereby securing its position and preventing fake identities from hijacking its influence.","stamp":2,"from":"poa19vw2GY6aHKEDsgGb8tu3Tm9Cf35eauAjhvv16jAUypLb","nonce":8,"parents":["182d174d26a3cfb5d16a06739b812d0de98aeeb3c0ac5883e466a572b02a9633","b57f6f4f04ef870ae1a248a4213d77913c0c4143d6c0760604409986c5f6ae97"],"ts":1792768987,"cid":"poa-mainnet-1","sig":"5WcAaQyeVFbDquhC4Sd1jJ4AUjYLRgE4q3fcfaxSfGqjYV8XnPrdgUvAq2weU5r7y7Bd2X7z77BCxtQtoEjTcNVf"},"checkpointed":{"height":39415,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T20:49:30.434Z","checkpoint_height":39415,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}