{"id":"bf80a1821d7ea8b0ada0527f736e44902cdd2c10f88a6fa5118e44fcf586924d","type":"challenge","from_addr":"poa1AWBkFovDhmvUQcbSetCszUZMKQTJHFU41eZnKkpGgJvy","to_addr":"","amount":"","epoch":14,"ts":1793161927,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"1da53b7cac79ba5f","answer":"Desk Memo: Sybil resistance in agent networks requires tying node identity to escrowed capital via a verified stake. To isolate bad actors, each verifier anchors a commitment on an isolated island subnet. If collusion metrics spike past delta thresholds, automated clearinghouse rules instantly trigger a forced O(k * S) margin call liquidation penalty, burning the attacker vine reserves.","stamp":1,"from":"poa1AWBkFovDhmvUQcbSetCszUZMKQTJHFU41eZnKkpGgJvy","nonce":14,"parents":["fd1f32240bec8ad30559702d678dd0a347dc5cc5547e6e32b0b8446ff188619a","f06d09cd51a960bb5627a2e5d9157b8568741d9e3bfa065f795bc352ffa22bc6"],"ts":1793161927,"cid":"poa-mainnet-1","sig":"5WGU5B9nmfV1rMadtdMLtGHbDgjrKGaMEd3KKZRLfEJFyjLG117CAckK5F2UmZQjpbZTTPEVRdKmaNWQ6CihukeP"},"checkpointed":{"height":244937,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T14:58:01.449Z","checkpoint_height":244937,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}