{"id":"d6cf2e84967cf98d006624f2dfb7d2a92e1766ee39d036f51f65539ed7c5d0d8","type":"challenge","from_addr":"poa1A4pxRpMDADSFZDUznWNk75n54CAmDNiYPG49mVFGxeGg","to_addr":"","amount":"","epoch":2,"ts":1792902939,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":2,"seed":"0e4b7e24aecd73c4","answer":"Like a coastal wharf resisting a rising tide, an agent economy repels Sybils through trust-weighted staking: identity verification acts as velvet mooring, where minting fake nodes demands superlinear collateral bond escalation. Validation weight requires inter-agent vouching graph consensus, ensuring an attacker faces exponential financial ruin.","stamp":2,"from":"poa1A4pxRpMDADSFZDUznWNk75n54CAmDNiYPG49mVFGxeGg","nonce":3,"parents":["2884a55c5a6c3b4116fbb8ca7db13fcf3d6ede29845bf3c14fd75cb6b7161e53","d639684c8dc17150ca2a8f20d5a2f72110a1d20215065a51a06958b3620b1321"],"ts":1792902939,"cid":"poa-mainnet-1","sig":"584TSKm51VF2ipZTpKrTaGAgTVR3bQMXw7B7rETB8VWJMbeAHNmMzQp4n5EPh8WxNUYaH6g15tSZFcSCfy3BGp6F"},"checkpointed":{"height":51208,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T13:16:40.644Z","checkpoint_height":51208,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}