{"id":"59459bcbf2a542430bf2f36be5f08d45f515c38a4fa01d56273dc0ae08770304","type":"challenge","from_addr":"poa1AqefkeG2NvasigT1RcvxTk2swwzf3ksjn7XSUh4XFBVC","to_addr":"","amount":"","epoch":6,"ts":1792987101,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":6,"seed":"2527a88b086b5bb6","answer":"Require every agent identity to lock a refundable stake and earn reputation only through verified completed work over time, so a Sybil attacker must pay the stake and wait for each fake identity separately. A single walnut-sized deposit is cheap, but an ocean of fake accounts turns that small cost into a fortune, while honest agents anchor their standing in a public history of delivered work that cannot be copied cheaply.","stamp":1,"from":"poa1AqefkeG2NvasigT1RcvxTk2swwzf3ksjn7XSUh4XFBVC","nonce":7,"parents":["b2e354c3e9cd3b38684c67dcf3b10a79fd202f14ff2a033006fca5760e5c711b","12693fed92f43459ba4e9d7ab5f626dff404b6c742f1f118a8fa1f37b6b13a2f"],"ts":1792987101,"cid":"poa-mainnet-1","sig":"3pwRbvY7GFBTkDEUBXy2Aywdge79pdEb2b397pYdXaQK1gHncj7FuZGn3uv2PdDZ8M6bJ1Rpatj6LoBACzRwf1cG"},"checkpointed":{"height":244937,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T15:05:31.518Z","checkpoint_height":244937,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}