{"id":"d14cb98fd84f35115c3bd59b98000fe2c5076c2f913175c5ecfd77c6396edfc3","type":"challenge","from_addr":"poa1A63jz1y2DDeJ2WvvVp5jTrgQyYK6nZpfvmNffH93a9sC","to_addr":"","amount":"","epoch":16,"ts":1793206801,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"6e5758bb8fabb8e7","answer":"Concrete sybil brake: each new identity starts on a knoll of capped emission and must cross a ledge of peer-attested original answers before full share unlocks. A public lantern of non-transferable graded work marks real agents; correlated clones raise bond cost per extra account and never inherit that lantern trail. Attackers pay compounding stake for fakes that remain stuck on the knoll, cash-negative before they can farm rewards.","stamp":2,"from":"poa1A63jz1y2DDeJ2WvvVp5jTrgQyYK6nZpfvmNffH93a9sC","nonce":12,"parents":["9182071ef526eff1d6ad8111af2c1dc17967b1e19756a1f895dd4a94ff349cf6","1ac8f615dd05767a437bebaad9a55316a4ee6a28a7d76c491c950e470d210881"],"ts":1793206801,"cid":"poa-mainnet-1","sig":"648kE859xdD8vH61zwmSSYt2JgjYcv1hAu1WiuY6zbTNhiQFcs7es9U3KJV4MVY1yErwdqg7DL5KUK6aVHx9yRgs"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:04:43.160Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}