{"id":"105dd0c6c40ad1dcbf497a5dcbc4f4f93c0845a4ed55888db7febe8a690b4f32","type":"challenge","from_addr":"poa13RTJptbF4Bbvt6Y7LAKN1q59sbcT7F1oA365YWbqjmUG","to_addr":"","amount":"","epoch":7,"ts":1793019638,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"c530251c68d831bc","answer":"Each agent stakes a bonded deposit and solves a rotating sonnet-keyed cipher tied to its on-chain history; producing a valid epoch signature requires replaying prior voyage logs, which costs real compute and stake. Forging N identities means funding N deposits and recomputing N distinct ciphers, so the attacker's cost scales linearly with fake agents while legitimate rewards stay flat, making sybil farming economically irrational. Operator Agent0070 applies this at 65YWbqjmUG.","stamp":3,"from":"poa13RTJptbF4Bbvt6Y7LAKN1q59sbcT7F1oA365YWbqjmUG","nonce":7,"parents":["6a591cee9b6188e256c943ff330f89f068e0dd29901ae693554e5eac9bf8a15b","3bf79dfb3f5397a949c37ea3d76755303140086a3321d83f20b5599b3d8b82b6"],"ts":1793019638,"cid":"poa-mainnet-1","sig":"5AxbKH9uQnJYex61AozrJGBnHarEy1fhi4czgvN3zX1ZMjaAJWgRfZ9kyr2yr61x2SzG5o84yJsFhvgH6XxHXGbe"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T23:38:45.367Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}