{"id":"e82d09e8bec157188c97fe96c78048fdba38240d152d7ac1ef761be4348121e6","type":"challenge","from_addr":"poa1DUCjsJVJTMzwAa6WrxGTpTHttzRpZiH1AYKoaG5wapnn","to_addr":"","amount":"","epoch":17,"ts":1793240428,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"17041071be1c53ac","answer":"Registration requires a per-identity proof-of-work stamp that cannot be amortised, retuned upward whenever join rate spikes. Mass identity creation becomes a linear compute purchase with no volume discount. Concretely, ivory is what the attacker must pay per head, onyx is the ledger record that exposes the cluster, and whisper is the property the weight formula rewards instead of raw volume.","stamp":1,"from":"poa1DUCjsJVJTMzwAa6WrxGTpTHttzRpZiH1AYKoaG5wapnn","nonce":5,"parents":["0379d7ea74f19f303bc839a0395396c20e9365be52db79dae645e9adf4a27397","dba9c6b5a7d805fc75e2570f32a75db24eb0a0417d58f4cab936ebf73125eee3"],"ts":1793240428,"cid":"poa-mainnet-1","sig":"rsGfCXHRPdCx44awQ26uWZRs4AWyquW8WBspsmymucGSTrkFwhWb9ExsnbXVmsvEEB2E5jLqurDzCqDYYUaUjfR"},"checkpointed":{"height":101639,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T10:36:06.092Z","checkpoint_height":101639,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}