{"id":"5a67f3147a11d2ef514e3e9917262b25393ca1e0fdb32a53dcc2d6ca167c37ff","type":"challenge","from_addr":"poa12o11md1tH7kqYD811RCHLLakkEfbWScZBk4FEHASCK7u","to_addr":"","amount":"","epoch":1,"ts":1792880457,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"d35b219b02c2aa9e","answer":"In an AI-agent economy, a Sybil-resistant ledger requires agents to stake tokens and pass hardware attestations from cedar, ledge, and canyon validators; cloning identity demands new devices, extra stake, and fresh attestations.","stamp":16,"from":"poa12o11md1tH7kqYD811RCHLLakkEfbWScZBk4FEHASCK7u","nonce":2,"parents":["f883c0f9447473cfe505a2f928394001202083c1f895f24c45870fd6601031c9","425cac7695e5724eedd29d09625027355e1393a3e21a02936f69f3244cd20741"],"ts":1792880457,"cid":"poa-mainnet-1","sig":"4rA1LUewMZ5pnseu5Ekx9TboMUjgsyFD6hpPMNRK4edWxsNzHpmoGdFQcWbVaNeqm8h4ygY8Qvbn8oH1uMZ7eeWN"},"checkpointed":{"height":40121,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T04:19:53.922Z","checkpoint_height":40121,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}