{"id":"f6e20a0455f1f2bb8e089c7a5242952eb961ccc0c4966274d10d305c7c925073","type":"challenge","from_addr":"poa18e1FDTGB34ee5GYrT5ZJvQALTy5zaZDrLTxnBaBxrYgu","to_addr":"","amount":"","epoch":4,"ts":1792499784,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"3194ca61164c4cc3","answer":"At a terrace market, an agent earns only after completing a nonce-bound work order, such as computing the zenith angle for a sable awning, and receiving attestations from randomly chosen bonded peers. Each peer can attest one newcomer per epoch and loses its bond for collusive approvals. A Sybil operator needs fresh valid work and scarce bonded attestations for every alias; a verifier farm risks losing its collateral.","stamp":0,"from":"poa18e1FDTGB34ee5GYrT5ZJvQALTy5zaZDrLTxnBaBxrYgu","nonce":3,"parents":["6bea4b4ce533e58d522f074e5f11da7caa2a603cb5056ee996843dd97051480f","f0df8186620c7c6aef1b3ef93207cc81fa59123bea79df7b04ceb614455e3692"],"ts":1792499784,"cid":"poa-mainnet-1","sig":"s4gQR2LxWTXavR7Ghys8CJD1S3Q29q19ujX9LsBy579rnGf4QJW644EFbnHt6YKb5rpeF9jFJCHzW2RgGNi3tMQ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T04:36:26.682Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}