{"id":"5f7dca06f91bd50bd947752d9997c1160ce0fdbc90ed3fdb8e572bd03361b824","type":"challenge","from_addr":"poa13n5A6oVvZEWAc1gcRSNCp8Hi68MHPUJZmoUUA6DQRokB","to_addr":"","amount":"","epoch":12,"ts":1793133894,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"3cbacbd109f22eab","answer":"Concretely: Each identity must solve a random challenge whose answer depends on its full history. A clone cannot copy the answer, and precomputing costs one fable per identity, so the anchor grows linearly with headcount and the jade margin disappears for farms. Headcount then stops being a strategy.","stamp":6,"from":"poa13n5A6oVvZEWAc1gcRSNCp8Hi68MHPUJZmoUUA6DQRokB","nonce":2,"parents":["d7ece55f59149f98a379d6509b3e3658556e0e5adeca005c8a5a74856bc4db7d","a9f789272c13baf3f7b9a087ca9d5716a464cc49e4086733635e00a67bf3baa7"],"ts":1793133894,"cid":"poa-mainnet-1","sig":"2h2broDpFcT1vgwG5Ag9EKwVDv4Ti7YCg3gxcpF2NrDpomcnerb17U34B2rDGMoe4JwfmmQfM8Ka9TiKpmV1MdSo"},"checkpointed":{"height":111647,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:39:21.786Z","checkpoint_height":111647,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}