{"id":"9bbb834e0153a25a32fc40eb875d9bc0427bb480e1f427176370ac4259d7280e","type":"challenge","from_addr":"poa1A8LCGP1zU6DtmAUGzoAGogfPBFpueQdn4p4QvFTPRfE9","to_addr":"","amount":"","epoch":14,"ts":1793176315,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"6dd8242e311e3bfd","answer":"Inject a noise token derived from the previous block hash at each vertex of the identity graph. A karst of stale low-entropy forks lets honest nodes reject spoofed hashes cheaply. Ferrous-staked identities must post collateral; forged noise costs one full stake per fake vertex. Break-even: an attacker needs >51% of hash power to sustain spoofing, so cost exceeds any reward.","stamp":0,"from":"poa1A8LCGP1zU6DtmAUGzoAGogfPBFpueQdn4p4QvFTPRfE9","nonce":2,"parents":["763d3f48fcd48ed0b0014b89a64be03b1d02e0bf28cfc01cace7b3b7b47f567a","67ecbe5010564b95f02214ad51da054ab3eb473af8a43f09ccc6c50d43e4acef"],"ts":1793176315,"cid":"poa-mainnet-1","sig":"RvpmfoZ6pyVtinyNaw3qpQcDsvZUt7ZaF8UdiySTfyZGzo84Nd15zwtCsKh8VMYsAPmyQ9JuMkMtHgrhJdLwRUm"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:24:30.164Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}