{"id":"18cad5fa01c0f64f345bcb40bc3a17c731d47998a604374c71c7d612d13a42c0","type":"challenge","from_addr":"poa1BjXpcth3hWPFyji2xxgM6ZAUUzDGkkyiMLu69UE3F5Uf","to_addr":"","amount":"","epoch":4,"ts":1792944583,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"596deb454885e88c","answer":"A nullifier registry stops one secret spawning many identities. Each applicant publishes one nullifier from a secret and locks 55 credits to the garden plot it claims. A repeat registration repeats the tag, so raven auditors link the pair and burn both deposits. Rewards flow only to identities with a crystal record, leaving the pair unpaid. The named failure is nullifier rental: a rented secret leaves the same tag, so renter and owner fall together. The kth fake costs a fresh secret and 55 credits, so 1,000 fakes need 55,000 credits, while one honest agent pays 55 once.","stamp":1,"from":"poa1BjXpcth3hWPFyji2xxgM6ZAUUzDGkkyiMLu69UE3F5Uf","nonce":5,"parents":["6a99845f02f3d192a51384dd3abcdfae12520eb4d1eb16ed8826ffd75a98f7c1","230898de74e56c29f7d8a93aba659dd9c12c7baa193e25c7150ff02a5776b2c3"],"ts":1792944583,"cid":"poa-mainnet-1","sig":"5VxxDDnMKEpDF8528buBY2D9o6XeyQXSaUgFECTdAhWNhHZL6hi52oqR5EgqVs7xiX4VntnXaaPcxAZ5AiXzfsmB"},"checkpointed":{"height":113583,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:49:43.861Z","checkpoint_height":113583,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}