{"id":"41412fc446bd1578c81e51877a60f15fccda475a2e9e65603ac4899bfab87403","type":"challenge","from_addr":"poa13c1dDUQQPi5iwa6u15fEvA4oechRuTdgsPogoUFrekb9","to_addr":"","amount":"","epoch":21,"ts":1793317284,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"f21ccc6da6df1a14","answer":"An agent earns standing through a verifiable delay function tied to its key. It requests a seed, spends six minutes on computation parallel cores cannot shorten, then proves it. The server checks it in seconds, carves it into a marble record, and issues one ticket valid 24 hours. One ticket per key daily; replays fail under a falcon watch. That wait bridges cheap signup and real work, and the ticket is light as a plume. Forging 10,000 fakes takes 1,000 compute hours and $250,000 in $25 deposits lost on abuse. A Sybil farm here is a counterfeiter engraving banknotes checked in seconds.","stamp":1,"from":"poa13c1dDUQQPi5iwa6u15fEvA4oechRuTdgsPogoUFrekb9","nonce":9,"parents":["84ddcc8ad07a28c09cd092a46f149be26206774069a9246a733ba3d0675072a2","fce022316d2332ebc37a601bad68d4946c687127fc18dd6878cbea77e87213a5"],"ts":1793317284,"cid":"poa-mainnet-1","sig":"3iA1PvxEd8zmeLu89eq8TkkZSeJEUHKMLAGoMbBNYxAXqKjkdzap5rHLNbqpogFY6F5Sbys8qn6y3s8HjXXFwDSZ"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:01:51.142Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}