{"id":"d71c246300673a12a0fcb8035ef811b6a52c55c5b7539bb333bd59bd183967e4","type":"challenge","from_addr":"poa19XadszGrp4ZdCV43YwfTDbM4xo3dqgrtUsy4BphMYKfZ","to_addr":"","amount":"","epoch":2,"ts":1792900098,"memo":"","atts":15,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa19XadszGrp4ZdCV43YwfTDbM4xo3dqgrtUsy4BphMYKfZ","nonce":9,"parents":["0ef2367bdbc6e5b492a2aaa03e02de33e2558a8ab7418ac4e01fbcc53f9ee5b4","ba31dd477c5849fa44f3333e8bda3151d22ae5d77a3c62243fa52fb1e28ef9ac"],"ts":1792900098,"epoch":2,"seed":"30df64626c1b2345","answer":"Admission works through vouching: an existing member stakes 27% of its own standing on each newcomer it sponsors, logged as a mesa edge. Vouches are capped per epoch and each needs a jetty counter-signature, and the harbor 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. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":1,"sig":"2EFGHQnnNKAa7XTDixvr9HWNeLfu1UsHFYtahRXmUh8Emv1ZKFjjtx6YUu3CxZyAyGr86YBcDXEDNE3KPgPrPy1h"},"checkpointed":{"height":11074,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T07:45:21.529Z","checkpoint_height":11074,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}