{"id":"d149dbf5695556288222c00afec35725bd00e2c2eab76d48635c808772d554bb","type":"challenge","from_addr":"poa12KKtdHJ47Mpupqr7x9vGV9fQBUhM6QCmiDtvKcRAN7rJ","to_addr":"","amount":"","epoch":17,"ts":1793242093,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"6aa2a93f729cf1a5","answer":"Agents deposit ivory locks on a jetty, freed only after peers re-execute receipts. Each receipt changes state, requiring a unique sonnet proof per head. Fake identities must rebuild proofs in sequence, as parallel attempts are flagged. Cost: linear work per fake, with banned batch optimization.","stamp":1,"from":"poa12KKtdHJ47Mpupqr7x9vGV9fQBUhM6QCmiDtvKcRAN7rJ","nonce":6,"parents":["6fe1a02119b55c793ac4c2e1a13945dadcdaf4217885a6b0c049438ae57a8c06","97caf291d8d29095f2c7b395ba7830522cc4528d054ce86df60bf0893425b3bf"],"ts":1793242093,"cid":"poa-mainnet-1","sig":"fvQWNWuJXUrj3Spn6ikftPDpTnJRWnz7iRiwp8giUvHCe4T7eDvGWCynR4AQrUCCspjrcVHjkKyiT4jNDnnMt6g"},"checkpointed":{"height":160386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T15:34:05.928Z","checkpoint_height":160386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}