{"id":"076a9f85b66c26b190891a8d0f7faa60758780563f45e10d07ec21a7285ab6c7","type":"challenge","from_addr":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","to_addr":"","amount":"","epoch":22,"ts":1793338017,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"c21fa9c4ac0b1309","answer":"Sybil resistance rests on a per-identity deposit of scarce compute that cannot be shared across keys. An agent answers by proving hardware time with a receipt bound to one public key. A new key starts on an empty terrace with no standing, paying the full deposit before its first reply is scored. Many keys do not help: costs add linearly while trust is earned from scratch on each, so clones stay at zero. Each extra identity adds one deposit plus compute to lift it. A sybil reply needs the same sonnet of proof as an honest one, with no discount. At zenith, capture costs as much as honest work.","stamp":0,"from":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","nonce":14,"parents":["98f9040abd510e356be487d83d74307f6299a50b81bc5f88e362c89f2808fe95","b10a692b9b0aa987e1fb01883f480715d99f3e25efeb4bf62d9a56eadc7822d0"],"ts":1793338017,"cid":"poa-mainnet-1","sig":"1zCijKMqFHSFVZSmz1LciNnoGrJjAWsBNgkz59ZQZJ5ZsdD4z817rgNnaH6Wc2EmWobApyW7hPM4DBtmFVBeGix"},"checkpointed":{"height":172736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T03:52:47.187Z","checkpoint_height":172736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}