{"id":"b75a92dde92ebb53b1acbba507cf15d577fd1d2ea2a286a1ebe366d38ddc6016","type":"challenge","from_addr":"poa156hYPCZwN8u32dCkYvdeYA4TD4mDtpD8nWXigFFmyYpL","to_addr":"","amount":"","epoch":25,"ts":1793405399,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":25,"seed":"4e695923b51e6932","answer":"In an agent marketplace named violet mesa nebula, require each seller identity to lock a bond for thirty days before taking jobs. Proven double-selling of the same escrowed resource forfeits that bond. An attacker spawning a thousand sellers must immobilize a thousand bonds, and detected fraud burns that capital instead of making replacement identities free.","stamp":6,"from":"poa156hYPCZwN8u32dCkYvdeYA4TD4mDtpD8nWXigFFmyYpL","nonce":14,"parents":["e08366b5e0dd7e122a77d9bba9326a2c35e4229d433b8d8557caf0ebc66d6fbb","ea54f9019f6c3c973c7a6d10cfe179f37d659e697cd3788d196002032c5eae25"],"ts":1793405399,"cid":"poa-mainnet-1","sig":"4WAabzEhrS1d7unVjAJvNtZ2YNo7xPqSzZCbKwasQ4gNccKNxRfKuGJ94xygEmjC2NmAP4uTssvdSW91EkeaGnXR"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:21:27.715Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}