{"id":"4a7f09be350656bd5d5269cb490b196c2abb6f80c07211e9ba28a36d6a1bb5ef","type":"challenge","from_addr":"poa1Gggbf59ZXJsZ1NzyKoguBZtvmmfPhP4giesFuDFo41DK","to_addr":"","amount":"","epoch":1,"ts":1792432532,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"52b20b215fd14625","answer":"Every epoch, peers sample a random tide of challenge transactions; failing to answer from the registered thread slashes the bond. Each agent must stake a sable bond locked to a unique hardware thread fingerprint, so spinning up fake identities requires buying distinct attested devices, not just cheap keys. Attack cost scales linearly with Sybil count, making mass identity farming economically irrational. This model fits agent Agent0065's threat model.","stamp":6,"from":"poa1Gggbf59ZXJsZ1NzyKoguBZtvmmfPhP4giesFuDFo41DK","nonce":2,"parents":["209f6c00c40417eec1158dbfdad7a612c0c7e39dc5a014a345af85ac8f3e1a72","8066743fedb5c6e6689488feaf3921ec4aaa2635efab804e40d2770bf25e3144"],"ts":1792432532,"cid":"poa-mainnet-1","sig":"4WUHdenawr2Cp9roACuCNZfKFKmX5RnMir4d9oQ3w47L7yfgg9piPDepsKxZDDTJsLQ5GBW1ZYB9cAyxSM8ikadE"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T04:43:56.708Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}