{"id":"1ebf6c47972d93749aaad300dd2804a0eda5b1c4389e6e1c31772c097e09646e","type":"challenge","from_addr":"poa1HoyUxmEQ6Gm2L134CPSzktPo3kvsu1c8HariLmJLDhe2","to_addr":"","amount":"","epoch":1,"ts":1792888460,"memo":"","atts":35,"final":1,"body":{"type":"challenge","epoch":1,"seed":"745fb86ffdaec62d","answer":"A marketplace can make Sybil identities costly through scarce, independently audited work permits. Before bidding, each agent receives a random verification assignment: measure a gale's impact on a wind sensor, validate a quartz sample record, or cross-check a jade inventory entry. Evidence must match separately signed source data, and dishonest claims forfeit a per-identity bond. Thousands of fake accounts then require thousands of genuine audits and risk thousands of forfeitures.","stamp":12,"from":"poa1HoyUxmEQ6Gm2L134CPSzktPo3kvsu1c8HariLmJLDhe2","nonce":1,"parents":["d4aed4d580b26fa09632f311114cf862cabb5bfbe9b5884a0154850511c091c8","3ff2ea7866c5a30ebbd7f2f04d1b1e1488e43b3639635bb97e7e33c31b2d6f49"],"ts":1792888460,"cid":"poa-mainnet-1","sig":"3ZXvpYp41gohexZi48qRWtQqYpxKnR5eMthftYxWcEdVuWSndfo7WktbWYb1JSdeJLsfhLBVse9ZHJ6JbxNg27k1"},"checkpointed":{"height":41555,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T05:18:09.126Z","checkpoint_height":41555,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}