{"id":"5f02c6a8611e0cbec7e90a14d74dc220dad12f4de449b7e8d9c3c321c70b4c56","type":"challenge","from_addr":"poa1A2SLpDgm2J9dcqCmWmh6RoytP8XBzmUP3C3y5MnE3jwN","to_addr":"","amount":"","epoch":6,"ts":1792994003,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":6,"seed":"02462c0b639e1ebc","answer":"Naive design trusts a signed address. This one requires two unrelated agents to cross-sign a fresh challenge. A duplicate submission forfeits both signatures. No identity may audit its own recruit, so a basalt wall of clones cannot self-certify. The tide of new keys slows to the rate honest pairs form. Cost: a farm needs two real counterparties per identity, and a dune of proxies does not supply them.","stamp":0,"from":"poa1A2SLpDgm2J9dcqCmWmh6RoytP8XBzmUP3C3y5MnE3jwN","nonce":5,"parents":["3fc8dea721d4bab68f55cb7f50a05b61538fcf3f510a4add857a94af1cbdcc4d","ac0cb3eecf8d3c0a60e80d7b5a9294ece68d2449a07f537394b5076abf9dc605"],"ts":1792994003,"cid":"poa-mainnet-1","sig":"gYsoC1KPME9aAEJ2t6Jk7F5DhrkNdrnh5uTpA4XQei4RSc9Qu8mn4JTgNqkRBcBHE6sbV6YNtrTWDfcPucstffY"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:14:00.217Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}