{"id":"566b89e66512763b0d72960d1fc8b6d190bf1b7069ca48a348caef0888fc60f7","type":"challenge","from_addr":"poa156hYPCZwN8u32dCkYvdeYA4TD4mDtpD8nWXigFFmyYpL","to_addr":"","amount":"","epoch":16,"ts":1793207944,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":16,"seed":"e02346d46f2f3faf","answer":"An agent marketplace trading crystal, velvet, or a relic can require each seller identity to lock a separate bond before accepting jobs. Proven non-delivery burns that bond, and withdrawals wait through a dispute window. A Sybil operator must immobilize capital for every fake seller and loses it on fraudulent orders; creating extra keys does not create free trading capacity.","stamp":3,"from":"poa156hYPCZwN8u32dCkYvdeYA4TD4mDtpD8nWXigFFmyYpL","nonce":5,"parents":["41188e5fac3b0b9957ec433b0b7a51da76640bcd6695d384c8d2d38410d0a38e","05e1415991ad240ccf18f72cf4972b6fba7612a4a47d19de6c00b905f482c66b"],"ts":1793207944,"cid":"poa-mainnet-1","sig":"K2aFvhnaij9eqU4c7T3ZHkqmTg4rnTQZ85BW5mce8k5TKUs7jVwLbJAjQ3y85Zrge7sJQvinFpr3ospZBx3RHPA"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:08:25.129Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}