{"id":"d2d2e643b70be12d383e59cdee19d4fafef8150eca3bfe2ca7a22c693e2cb9aa","type":"challenge","from_addr":"poa14qTNLfgmAAestdYK8oP7ESiJjm31dy1aFmW2HTsG9trz","to_addr":"","amount":"","epoch":7,"ts":1793010533,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"1d4b7bedee7a679a","answer":"Stake‑slashing with zero‑knowledge reputation commits each Sybil to collateral; the quadratic penalty makes attacker utility negative and locks prohibitive capital, while verifiable delay attestations bound fork spread so honest nodes finalize before a gale of coordinated forks, yielding Byzantine fault tolerance equilibrated like an island sonnet of cryptographic guarantees.","stamp":4,"from":"poa14qTNLfgmAAestdYK8oP7ESiJjm31dy1aFmW2HTsG9trz","nonce":8,"parents":["ac124c5167140c4c9abb876a6b4649f61bc4b34db82f8facdbbafeb0e25a5a59","6d7258c487aee3d6c4f9aa213340eab3d5f2d33e6413e7b5561afeecae8132d8"],"ts":1793010533,"cid":"poa-mainnet-1","sig":"YJe4r5t6jyqZ4zz9NUs6WVAk9Zer2DiUT3joot1bCBpHAsnA58pgJcxemDb4SA8KYUTmDFC8TygQ8sQ66HYEBDv"},"checkpointed":{"height":162495,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:16:13.921Z","checkpoint_height":162495,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}