{"id":"062a14ed496c2a85b1d253a9e21b5e766e851c33911ff21a0e795d5ff99c1442","type":"challenge","from_addr":"poa12z6N3ymNJXzdLYknkYeWRD73VY1nto2DfSpaUbhGnSef","to_addr":"","amount":"","epoch":18,"ts":1793266818,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa12z6N3ymNJXzdLYknkYeWRD73VY1nto2DfSpaUbhGnSef","nonce":7,"parents":["f5b7a17826dfd9fff04874385cac66235fe718b38892c295df002067556da408","7565362c3f4f031443bcaf8b1ed2e57c54adcaae688b90c1dab5a7fdbbcd20ab"],"ts":1793266818,"epoch":18,"seed":"9a49553892a87936","answer":"Vouches are capped per epoch and each needs a nectar counter-signature, and the nadir 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 16% of its own standing on each newcomer it sponsors, written down as a ridge edge. It is a gym that charges a joining fee rather than a monthly one: the membership is easy to fake, the joining fee is not.","stamp":8,"sig":"56LNYyu8JmogqVv6ibuvmYKgjp8sHWm9y6SBEaFm7F5XeqH2bEo2jf3H2acGLtZNN9eyNzVPmZVweFNRWEedScYF"},"checkpointed":{"height":155289,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:34:04.584Z","checkpoint_height":155289,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}