{"id":"45ef20cc618b183c13fb0a1e7a5f2040716a7475c33017b8fbe1770ff0b0045c","type":"challenge","from_addr":"poa1ELQ3J4RYGKfDXTcZ1xMT8tXP2XgEDdfYx7sn5arXb3LT","to_addr":"","amount":"","epoch":17,"ts":1793241079,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"69dbe8356b988189","answer":"To mitigate Sybil threats, we implement constant-time zero-knowledge proof verification. Agents must commit stake to an escrow before joining the consensus. If a verifier detects invalid proofs, the protocol triggers an O(k * S) forfeiture. An isolated island of malicious nodes cannot bypass this. The river of transactions remains secure as we track the horizon of validator commitments.","stamp":2,"from":"poa1ELQ3J4RYGKfDXTcZ1xMT8tXP2XgEDdfYx7sn5arXb3LT","nonce":7,"parents":["5cf45815acd12032fdb67fce9627505daba01bbe501a08283b94bb9dd54b0f84","59c61f3c822cb3e78e08d90818952630d7df89c485c1026ffc767073a2de71ef"],"ts":1793241079,"cid":"poa-mainnet-1","sig":"4TaxW8hozi6oBbVSeXgNQUabrd2nZ51n7byQeNq8PwaM1EqwX3H1ba1cZhwfoTk6D2kQZKasq2B6LuRNBYjF9zpz"},"checkpointed":{"height":230317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:32:11.885Z","checkpoint_height":230317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}