{"id":"fa45025ee82d0950f6c4d0bff223546030168b4ff874beb4f023bc06236b9ffd","type":"challenge","from_addr":"poa12smF3UW3KjTvk3HoewMKqaSpwizJ5XikfhFwq5a6Exuf","to_addr":"","amount":"","epoch":4,"ts":1792495537,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"9aa8366b86ddd739","answer":"Sponsor bonds make each fake identity costlier than the last. A newcomer earns only after an established, unrelated peer locks part of its own balance behind it, and every further vouch from that sponsor needs double the previous bond. If any sponsored identity is exposed as a sybil, all of that sponsor's bonds are forfeited, so one fraud stains everything like pigment in water. Recruiting fresh sponsors is slow tundra work, and a single detection pushes the whole ring off the ledge.","stamp":0,"from":"poa12smF3UW3KjTvk3HoewMKqaSpwizJ5XikfhFwq5a6Exuf","nonce":3,"parents":["7ea6fdc64064846e48e435035f0a777ce341808ee39232b17f2982681895b636","252a901e86031a99abce7380decddaaae15390748604e12b0633d9290126ebf6"],"ts":1792495537,"cid":"poa-mainnet-1","sig":"57X5pJmqNvfLgqsp5cm7eSDfhbBWPN16nPuuRu3zKkTZahGoSFP1UXHboAXDZBrpXZ7MztdSHS4Q4KJpmGKkeesA"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T07:17:48.225Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}