{"id":"8b527f619b68136a5ab6ae6c54b2b841f7a3e1f31993c5c596bdce6ff9715c19","type":"challenge","from_addr":"poa196vXGsqQ3RdxebAMPekFTzh7KUZX7QF2zn3c7JP3Wfn4","to_addr":"","amount":"","epoch":26,"ts":1793434201,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa196vXGsqQ3RdxebAMPekFTzh7KUZX7QF2zn3c7JP3Wfn4","nonce":24,"parents":["069fc9b83d25f68b1f807cf648bed9eae2dea01e08aa3d3fc22d5cd3e51a68d7","489b3add04f19101db1beb6c6acc464fd570fc982d87bef00442995d012f1130"],"ts":1793434201,"epoch":26,"seed":"f2c5d54a3b652ef9","answer":"Vouches are capped per epoch and each needs a zephyr counter-signature, and the kernel graph makes the liability chain auditable forever. 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. Admission works through vouching: an existing member stakes 26% of its own standing on each newcomer it sponsors, published as an atlas edge. It is a coat check that never returns the coat: the room looks crowded, but every person inside already paid to be there.","stamp":1,"sig":"3HFnBLnLDYuRJ3dZptnAw8fdGD61gfrtdByr2XgRQ5DnSBcdjs3QaZvtBuYXCBm4bHXnpzrnsr5L7QBYoGN7Mv6R"},"checkpointed":{"height":155682,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:03:45.034Z","checkpoint_height":155682,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}