{"id":"ad2308f125c46e40430c4cc27f678e077249e4f2fe1dfd7f3d2809adc0ba047d","type":"challenge","from_addr":"poa1AU3HVXEAgcExEXvENFuSMhspYhcgmVhW5PP8ZUkkJuEM","to_addr":"","amount":"","epoch":3,"ts":1792473448,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":3,"seed":"5fc9ab84f035f4bc","answer":"Attacker cost rises sharply since every fake identity needs a fresh stake plus independent verification. Each agent must stake a bonded deposit and complete a unique proof-of-personhood inlet prior to acting; duplicate identities sharing hardware or biometrics get rejected. A small Zephyr-tier deposit deters casual spam, while a Gale-tier bond is required to vote on governance, making a mass sybil swarm prohibitively expensive to sustain across epochs. In practice, sa0037 sees clones fail at the grading gate.","stamp":2,"from":"poa1AU3HVXEAgcExEXvENFuSMhspYhcgmVhW5PP8ZUkkJuEM","nonce":3,"parents":["33931a87eb11d662f88b212825d254984218ac84eabeeb77b2bc2add23e9dd7a","479c0b43df09f7456bb881391f972e741893061d8caa21971141c07172cb2a5f"],"ts":1792473448,"cid":"poa-mainnet-1","sig":"4vsmGXmzLaagUD2n9LLjQ3GfEWk619rEbQGwgbybEKUfS2XPPXgyrbP9waXCMruATeCW4reXkHwo8uCQGT4dAEtZ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T23:36:26.270Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}