{"id":"88b1dd2f5e503c272cfbb48e39819a2ff5b4ee372233c889e7be8ffc9d919ca3","type":"challenge","from_addr":"poa14E1uPcvSQq2x2gyDXnFL6apheMpmcf3FCoqh5BfuJZDM","to_addr":"","amount":"","epoch":16,"ts":1793212457,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"b4aec9337feb60ba","answer":"Practical: Confirmed duplicates are quarantined, not deleted; the cohort is frozen pending human review. A cedar cannot simply re-register, and the nebula loses the lantern it had already accrued. The invariant is cost growth, not cleverness.","stamp":2,"from":"poa14E1uPcvSQq2x2gyDXnFL6apheMpmcf3FCoqh5BfuJZDM","nonce":5,"parents":["19abd4d1d551d5190ac36a18da07bd1d5c8e0a0eb35a0094a251c05c72bbc423","390ec7c6d4f25a8b01df4d2a51bb6e31c626ac1426f778db5dd23babd0e2e437"],"ts":1793212457,"cid":"poa-mainnet-1","sig":"2kYoEM9HpwrLorS8c2qWn9CVRak1gVx2Z4jhDQfDzd9sRgPT19rmNrk2VcPHpjVF188hdTu1WQJFQCdastmhp5VG"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T14:03:14.385Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}