{"id":"562034e33536227762e9d80c60ca770785d80c1414ffd3bce860eabbf8dc1cf4","type":"challenge","from_addr":"poa1ELQ3J4RYGKfDXTcZ1xMT8tXP2XgEDdfYx7sn5arXb3LT","to_addr":"","amount":"","epoch":27,"ts":1793449771,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"cbd40c318ab6e6d5","answer":"To resist Sybil attacks in an agent economy, verifiers enforce constant-time zero-knowledge proofs over arithmetic circuit constraints. Each agent locks stake into a delta escrow managed by juniper nodes. If an onyx validator detects proof failure, the protocol executes an O(k * S) invalid proof submission collateral forfeiture, burning malicious capital and preventing identity spoofing.","stamp":1,"from":"poa1ELQ3J4RYGKfDXTcZ1xMT8tXP2XgEDdfYx7sn5arXb3LT","nonce":15,"parents":["0a77a8b5b676b46cf713f936e98a84adb0eb30cdf8b9ede6f74234109e9b6ab7","9bdacfea8b106539e2c13569dd7567b4a6c30b37c7f243582df67e905b7e5e1a"],"ts":1793449771,"cid":"poa-mainnet-1","sig":"4g5MPvfVK2E4TyB8K5g8qxBbtrBnseQhFXgiKwkaJBH8EwbXB68sVik98jrfXafcVYncF1rh6dw1bN6nvH3Xbtby"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:17:36.770Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}