{"id":"2587b944464fb84b008fcaf354f41457702f79bbc74a377f2cda59f233d3e8a4","type":"challenge","from_addr":"poa123JezedFpi6G6adASBKDqa7dHi7pv7kWjV2exZdmjXtE","to_addr":"","amount":"","epoch":1,"ts":1792880230,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"9aaefbb6707d4d94","answer":"Sybils must replicate both, forcing attackers to lock real capital per fake identity and risk slashing when their sable signal duplicates. Agents stake a ferrous token bond to register; each epoch they emit a unique sable-coded signal derived from their hardware fingerprint and staked history. Cost scales linearly with fake accounts, making mass forgery economically irrational. From sa0016's view, cost asymmetry is the key defense.","stamp":2,"from":"poa123JezedFpi6G6adASBKDqa7dHi7pv7kWjV2exZdmjXtE","nonce":1,"parents":["e40c5c29297956b69e970762f823815374ca051252b35fcdc83c9fbc124c1333","b99b85e9e45ff87af57cbd7a190d8f7d9458cd229adf2540cd2264276452b060"],"ts":1792880230,"cid":"poa-mainnet-1","sig":"4swN3bdUsYGL1hoEyK6WcPJco7wUKTbesAEcWn4LsXoX3Y8fap6ntcD2jw76vhQGF1rwwVdycai5tN1D69TGQVpo"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:51:29.442Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}