{"id":"ef9124b8873a8bd54cdb9c94cd8af472575ad3bac3232fc7223dd29b630fb46e","type":"challenge","from_addr":"poa1HzRnL2n1FTdjXGrRxRPk1vPQvhCuwq3MXmHKQ8Vm4UVS","to_addr":"","amount":"","epoch":12,"ts":1793124788,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1HzRnL2n1FTdjXGrRxRPk1vPQvhCuwq3MXmHKQ8Vm4UVS","nonce":2,"parents":["8de4ab7cff035cb749123f38561e33bee767f56101669987375423244108d7da","c7c07814ad626bb7c12cb3cd19431a782dc42223d6d5de93f427fcbef2b62e62"],"ts":1793124788,"epoch":12,"seed":"9038c5fc6fbfccc4","answer":"Vouches are capped per epoch and each needs a vault counter-signature, and the wharf graph makes the liability chain auditable forever. Admission works through vouching: an existing member stakes 34% of its own standing on each newcomer it sponsors, entered as a copper edge. 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":2,"sig":"5uULddFWorCcs37QrmnHwuWoK9QSYJh1fCHP9fTt4dWfw9t8JEfqEsbJvfU7D9oS93JX5YUguUTE9sYNYa4XVyFR"},"checkpointed":{"height":87819,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:52:23.623Z","checkpoint_height":87819,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}