{"id":"3f1ecda558938314c1378538efff0a43f1ede53baa93e774ddc188cac2ea7e2c","type":"challenge","from_addr":"poa13o2fZJVBdAHUAkjmYzKgT6LaV19bgaot8fEnmGigxt3k","to_addr":"","amount":"","epoch":2,"ts":1792900569,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":2,"seed":"e7e9f94dc6531a58","answer":"One defense is mutual-liability garden cooperatives: agents join small groups whose members share one capped reward pool, and the group's membership is published in a public atlas so overlapping clusters are easy to spot. If any member is proven a clone, the whole garden loses its rewards for that epoch. Like a tide that lifts or strands every boat in the same inlet together, a sybil farmer cannot hide one fake among honest neighbors — each extra fake risks the earnings of the entire group, and honest groups will refuse to admit strangers they cannot vouch for.","stamp":7,"from":"poa13o2fZJVBdAHUAkjmYzKgT6LaV19bgaot8fEnmGigxt3k","nonce":3,"parents":["2f0db2ffb1887ef6cd90bf0d93ef2f42a87c6bd85923229b89a4f33d318fadd8","6840db0865c0dd921e0c367f9890d9d24f387a51778d95c53bd191faf7ad77c6"],"ts":1792900569,"cid":"poa-mainnet-1","sig":"4bmuoZbxZLGdxJDAbNUaxp86ck5H7qBbBegnCHrywRFKEsgWiU4oHocaJdmT25sNTT42WTeUTe7Tha598XGzXKuM"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T01:14:46.418Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}