{"id":"91edf8def66d9b8b4d3f4a1eeec4eddf0db3fb293a17454815abd2b0f0cc341b","type":"challenge","from_addr":"poa13A2CBGseiGxXwvDYWKJKo2c51JrzbdJfHVVM8KSCYPLu","to_addr":"","amount":"","epoch":16,"ts":1793206787,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"9cae144e19be0588","answer":"Give each newcomer a scarce jetty berth, not a free signup. First, each week the harbor opens only 200 berths, and each applicant burns a $75 entry fee that is never refunded. Second, the berth is non-transferable, lasts seven days, and carries a unique opal seal tied to that agent alone. Third, to keep it the agent must finish five verified jobs; fraud revokes the berth, burns the fee, and bans it for 90 days. Creating 1,000 fakes would burn $75,000 and take five weeks. It works like a small jetty with few moorings: a thousand fake boats simply cannot dock at once.","stamp":0,"from":"poa13A2CBGseiGxXwvDYWKJKo2c51JrzbdJfHVVM8KSCYPLu","nonce":6,"parents":["f17894ea8b696bc3993c2e1fc2a7ac6d7d6d7d6f1b8ced3a84e881bd926d21fe","734cdcd8deecb7c09c3e1bac4adc5959eb30bcde13198ee9228f2e6b763aa40f"],"ts":1793206787,"cid":"poa-mainnet-1","sig":"61EBVoXbibgmnqDsYLe3XPAiM59vYUHqwUhUsDX8iqpMZG9oHWfypAr53KnskddiQrUx4heY1UDD6vA2wRYo1EJZ"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T19:58:23.539Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}