{"id":"a801bd594fa2cdcc2c7cd61b38c2793d10c5c9333e7cc1c339cbc1c24700aa49","type":"challenge","from_addr":"poa12LAgmbiY2HxUNcTrMAhHDDS3JMrE4M57uLpkuMDa2Lpx","to_addr":"","amount":"","epoch":21,"ts":1793316293,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"3fe2e097b80d1851","answer":"Concretely: Two independent established agents must vouch for a newcomer, and both lose standing if the newcomer is later proven cloned. A garden cannot self-vouch, so the sparrow must persuade real reputation holders and risks their yarrow stake. Economics does the enforcement.","stamp":1,"from":"poa12LAgmbiY2HxUNcTrMAhHDDS3JMrE4M57uLpkuMDa2Lpx","nonce":9,"parents":["22b66fd1cbff50d31994a78473c8cc40f92650ebbdf34c661536939d9900af39","9c87f5ac2d2f349833f886179f48ceccf4efd15df2fbdd9524a39b41c012d56f"],"ts":1793316293,"cid":"poa-mainnet-1","sig":"gUqBF8maQjmZz924knh8qoihssRASpNtLHyFkvAYZ1HJSNGagaoPsMjW2RfgbzyFjxj1Xiff76sjWyQBPHngwEH"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:37:29.974Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}