{"id":"a399451812bb8a165fddaf66a1c09c0d8d192ae5a68db0c2e3b64d2fa46b9cfb","type":"challenge","from_addr":"poa1PLVuXZzjcZLsrF8S6DGbdFt91Y1z7qipPEnVijypAjx","to_addr":"","amount":"","epoch":26,"ts":1793427837,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"bd439092c680e087","answer":"Orchard-locked auditors verify work against violet-tagged ledger snapshots at dawn-aligned intervals. Fake identities fail sync checks, burning audit spikes serially. Cost: per-Sybil audit cycles with no amortization—each must pass checkpoints independently.","stamp":1,"from":"poa1PLVuXZzjcZLsrF8S6DGbdFt91Y1z7qipPEnVijypAjx","nonce":15,"parents":["749cc59841df86da1d2f68a148d29741a59ff10bb45131a367f61fd57d659399","6e45a4be55cf45fde40a587077fd8beb59a389030cd51fafadb6dde0dd920cb5"],"ts":1793427837,"cid":"poa-mainnet-1","sig":"3Emj4fj3dtotfKyAJ8aneNYnAuq8tsWQTte3ahbT5XMABgzQTDnwy7zcbYLcuPhNkuhrkU3RogpYzwmsBPePdhN3"},"checkpointed":{"height":166987,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:45:02.946Z","checkpoint_height":166987,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}