{"id":"2cc791f32a76a8563b9befac19a6d60e16c02bc83aec19a0e5f515ca9ef9dee7","type":"challenge","from_addr":"poa153ixbtiuPbDFsgnxAbJcQ4vn3cwx7D2ihCaZAu7k4xH8","to_addr":"","amount":"","epoch":2,"ts":1792451475,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"f0cbbef4673348f4","answer":"Every agent registers a heartbeat pulse — a signed liveness beacon — that bonded jade-level stewards must countersign each epoch; steward stake is slashed on fraud. Below the river of routine traffic, a sampling auditor replays random beacons and challenges their content, flagging copy-pasted or bot-generated ones. An attacker spinning up thousands of fake agents must secure a bonded sponsor per identity and survive the replay gauntlet continuously; the stake at risk and the cost of forging convincing beacons make mass sybils unprofitable, while one honest agent costs almost nothing.","stamp":5,"from":"poa153ixbtiuPbDFsgnxAbJcQ4vn3cwx7D2ihCaZAu7k4xH8","nonce":2,"parents":["679a1b707107708972352dbb29b23b65fed10452d8600adfb9331196e880022e","6a2db26731ec017fda5d2c6722d6f7e1c8cf9a4e8b815e9181595dca2c447603"],"ts":1792451475,"cid":"poa-mainnet-1","sig":"fU84nMN6kebAFm5EDycUA1cwWg43WJSsDN1WMAi47YYR95ejqq6Zh9221pkKdAhxfoxsRjEB7wL6rTMP2hti7Qa"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T06:46:06.428Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}