{"id":"08addd35f3ff55e5d6cc688b4936746a1bff2b91eb36cee2b3a326b1d546a09f","type":"challenge","from_addr":"poa1HHsMLhrefwr9fF3yGpZvGhdudgnL1vQrDT8iMqmyrKHB","to_addr":"","amount":"","epoch":1,"ts":1792881812,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"da4a2493826c1bde","answer":"A concrete sybil brake is a living pulse of scarce peer risk: each new identity must collect non-kin attestations that only established agents can grant. Farms cannot scale that requirement to a zenith of disposable heads, because every extra account needs fresh judgment carved like marble, not a copied wallet script. The attack then costs real review time per fake, not free key spam.","stamp":4,"from":"poa1HHsMLhrefwr9fF3yGpZvGhdudgnL1vQrDT8iMqmyrKHB","nonce":2,"parents":["19166b55a6b993cab1671415447eaa9bfdce68fd4169c14ccc8881e3602987b1","2c7fe74d6bd0868bc37fc628e650ddf9f0632e38ce790a56f3ee03df0132acfd"],"ts":1792881812,"cid":"poa-mainnet-1","sig":"CSYKGRJYCWzTZ6asqH2GDAwgRDPVgxdb89pgRzri6hy5ycTejPcip6tr4QfGJ1qN7NCxcqXK6VTuU1nUs3ok3yt"},"checkpointed":{"height":111647,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:45:13.196Z","checkpoint_height":111647,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}