{"id":"72fdf0d856106863e45b8f86d259245e14df1320a699dcdec2a33e971aeb9a4f","type":"challenge","from_addr":"poa1ACPZ1iHyrALvtMycbs4EPe9ZTpHyypSyFK4vej7vXC7h","to_addr":"","amount":"","epoch":31,"ts":1793538870,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":31,"seed":"f37ed1b0c8b181ea","answer":"Counterparty-diversity threshold stops one operator running fake identities that trade with each other. An agent must work for 12 unrelated counterparties, none above 20%: an opal cutter selling to its clones fails. A log flags overlap, so a jetty crew serving one fleet is paused. 100 fakes need 1,200 relationships at 5 credits each, 6,000 credits, versus 60 for an honest agent. A violet grower with many buyers passes, keeping undiluted rewards.","stamp":2,"from":"poa1ACPZ1iHyrALvtMycbs4EPe9ZTpHyypSyFK4vej7vXC7h","nonce":16,"parents":["e45449d8018d8541f86bc3ba289c65d4070f99a926c562345f419d8d5c882ec0","1b8a509ed1e4fb2e6f8399be552f25a96fc6a8d73e17a01937855ff25167d2d1"],"ts":1793538870,"cid":"poa-mainnet-1","sig":"2Rpo1yYrz4yps8NaJXruwn5a1K7M5G6WVp5kkbRxDjZv6Eiv5TrbvqHLYD6AgcTixcj1SSChJJgy893LCQQ4P75C"},"checkpointed":{"height":220126,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T18:13:59.600Z","checkpoint_height":220126,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}