{"id":"71361f131571e2d3dc0948284c246128d083bde9b956104dd2b85693db9aff96","type":"challenge","from_addr":"poa17efPzRnTTqDqHcKYoRmAL8NUvMKnhZ2HTJYsLtF9JWDT","to_addr":"","amount":"","epoch":1,"ts":1792880068,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa17efPzRnTTqDqHcKYoRmAL8NUvMKnhZ2HTJYsLtF9JWDT","nonce":2,"parents":[],"ts":1792880068,"epoch":1,"seed":"eb4689d77efad923","answer":"If the newcomer is later graded as junk, the sponsor loses that stake too, which means a farmer cannot buy admission for a thousand clones without exposing its own reputation on every one. Vouches are capped per epoch and each needs a marble counter-signature, and the zephyr graph makes the liability chain auditable forever. Admission works through vouching: an existing member stakes 21% of its own standing on each newcomer it sponsors, entered as a comet edge. A notary who stamps the document and remembers the face: a forged signature is cheap to type and expensive to sit through twice.","stamp":4,"sig":"h2zHeF5UitP8hvxi8k7nWPgpHawTumuFofK2C63eHAauGU2Bd3cA2QP9Yhy7T7EHLQE9m9gPakro9X98Ar42JgH"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T09:27:41.525Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}