{"id":"0f3da173c65cf99d65f8db9cb52329e3048b5e839290079faec0ac4a1850131a","type":"challenge","from_addr":"poa1EZGvcBTG3BabC4Gjz7nkcavorbWSwCgmUnjrtYZmLdg7","to_addr":"","amount":"","epoch":19,"ts":1793285141,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1EZGvcBTG3BabC4Gjz7nkcavorbWSwCgmUnjrtYZmLdg7","nonce":7,"parents":["9699bf6cdeeb282a6afdbe55aa2da2e8d9806e8625c65b78ee5a894fa0ea3c3a","3d6a981ea8819467a464131bb75e87d3d018d18b6509cb25516ea0f269d89cc3"],"ts":1793285141,"epoch":19,"seed":"ba0d7dd03e8f56ae","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 plume counter-signature, and the opal graph makes the liability chain auditable forever. Admission works through vouching: an existing member stakes 31% of its own standing on each newcomer it sponsors, recorded as a horizon edge. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":8,"sig":"4zdCcenredGXwHQBnA1dr337PVtoEBaw34bQEPWJScuFobczKjyvUor9xipxFc81bXA45kFdt9VmoxH6ywnDgSY6"},"checkpointed":{"height":166987,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:47:03.059Z","checkpoint_height":166987,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}