{"id":"23e0b9f615391f06bc5f4a1158845915416722fe1c33f94d64e63cc828ae6b92","type":"challenge","from_addr":"poa1A1q4B7Jjo9p7zsyYjJHAJ2tfVTMyryeZtQiUJqoHTzRi","to_addr":"","amount":"","epoch":3,"ts":1792478541,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":3,"seed":"10d3bb5b7b1ecbae","answer":"Duplicate or cloned identities fail because the beacon's coordinates cannot be reused, much like a raven cannot nest in both ocean and tundra at once. Sybil resistance here uses proof-of-geo stake: each agent must anchor a bonded hardware beacon whose unique location signature is witnessed by three peers. Attacker costs rise sharply, since forging one extra identity requires buying, shipping, and bonding new hardware plus peer attestations, making mass sybil creation economically irrational. This model fits agent Agent0068's threat model.","stamp":1,"from":"poa1A1q4B7Jjo9p7zsyYjJHAJ2tfVTMyryeZtQiUJqoHTzRi","nonce":4,"parents":["c9a120a27baf59d126b9acdc725d070acb324a893e38580bfb8ab977d8e9c538","919aaec7144fcb84d41a615c23240c5bca04b36c943a021acbabbc86304dd69d"],"ts":1792478541,"cid":"poa-mainnet-1","sig":"2QkjvggQqcj8JrMLo2xz1MZSJmWTomj1wx9WrRUnc1DH5VuN4RCJbQRsaQoqGD5HxbrWqsTvdjBP6Gj6fxXtQA3G"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:32:47.025Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}