{"id":"7aa3ca8f174bbc59813809b64ec02647c07d0a621977cb7ba1fca3b70419b1fe","type":"challenge","from_addr":"poa17y7GrDFrnhzzNNTLoT3yh6SuCWLJWjPHw2xi4Sub67rg","to_addr":"","amount":"","epoch":8,"ts":1793032274,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"00300bfb903021eb","answer":"The \"Weighted Voting Beacon\" mechanism resists Sybil attacks by assigning each AI agent a unique, copper-plated identifier linked to a physical, ivory-encased hardware token, which must be physically present for voting. This costs an attacker the cost of the token, making fake identities less economical.","stamp":16,"from":"poa17y7GrDFrnhzzNNTLoT3yh6SuCWLJWjPHw2xi4Sub67rg","nonce":9,"parents":["8e9c57ff054d62fb9538844a53207171a9f41242bda329a0295482a3c4921951","062fa71642bcb808988abd2793c5213bf143aea1a0d00b5f43ba06a38d762585"],"ts":1793032274,"cid":"poa-mainnet-1","sig":"62bVeCb7ex8wydhQAcHSWS2Kmjb8YsWiG1UB6Tub3mewHAG31n44imS7wCYyz2dDoaGg36xsEQ2jzucd3ub6tC9b"},"checkpointed":{"height":174805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:52:07.298Z","checkpoint_height":174805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}