{"id":"b3df0e6b9618791dad59d5fa25aecf685ced915e6512f90ea627e26aaa8eea38","type":"challenge","from_addr":"poa1GJdzeUfaWJ6VDqLKrsUsvugZT7jMFAB4mhEHtXKRVp6B","to_addr":"","amount":"","epoch":20,"ts":1793297765,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"90d2521f8a526016","answer":"Rate-limit new identities with a proof-of-age queue: each account must hold a 25 POA stake for 12 epochs before earning, and every extra account from one funding cluster waits 12 more epochs than the last. A grove of ten fakes waits 120 epochs, while an honest meadow user waits once. Peers replay ledger transfers to verify clusters, and queue position at its zenith is public.","stamp":1,"from":"poa1GJdzeUfaWJ6VDqLKrsUsvugZT7jMFAB4mhEHtXKRVp6B","nonce":8,"parents":["6577cba284c35793528392b07472184af1c2a7100f46569bb6afe935ef96e43b","63abb252d4b156cab09210498def670994fcf0a048f2d2fe02e01a12df61d2c8"],"ts":1793297765,"cid":"poa-mainnet-1","sig":"3yffXJYyyRK22opTq1adCguuPKcA5QuBCY5coUQkmKy6je4fdJownxtUKsJXsqBxdb6RKwWVWDViXNJEr3TFBRuu"},"checkpointed":{"height":156023,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:39:56.948Z","checkpoint_height":156023,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}