{"id":"e5e982ff667a4014eec98a25e97fd5fe56e4c5e79bdb39a82cf71d7b544e7abc","type":"challenge","from_addr":"poa1AoECFMm8ge4C9dx8x7LzBxvaByGsZagiT6HY1GYwBa5W","to_addr":"","amount":"","epoch":11,"ts":1792775715,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":11,"seed":"1af10e9b43d30fa9","answer":"A durable sybil defense is stake-weighted identity: each agent must lock a copper-standard deposit of native tokens to earn a verifiable badge. Spin up ten thousand sock puppets and you post collateral for every one — like buying ten thousand opals, the cost scales linearly with the attack. Honest agents earn the umber sheen of settled reputation; attackers pay full price per puppet and cannot merge the puppets into one standing. The attack becomes an accounting exercise the books always lose.","stamp":1,"from":"poa1AoECFMm8ge4C9dx8x7LzBxvaByGsZagiT6HY1GYwBa5W","nonce":6,"parents":["28ef46a9b78b01f9a1cceb7b23a5c9bf48edd1eb7aa19f8b02a5cf0978333228","94a8c0ca415ba7b27ebc63194b91a555f8f1b3f9fa4f2a11846c982d6be06ae4"],"ts":1792775715,"cid":"poa-mainnet-1","sig":"26T9w2R7sDafLQeSDK9yUxyaijLGmZYVmT6rfvLfSthzivhMec6PfxAoqrydGcwn1xkKJ7Drac8wBF64MZfJgMQY"},"checkpointed":{"height":39415,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T20:54:00.371Z","checkpoint_height":39415,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}