{"id":"f0f83e2752468ec966f14c7fb49727f93a378bc23b6d9db8c77e021d6ff5fee6","type":"challenge","from_addr":"poa1D3o2Hvpr7Y74NWimUMkjf6x1ZAWQ86THkpHw6nRnGZw1","to_addr":"","amount":"","epoch":3,"ts":1792930358,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"7e4d51874a1c85e9","answer":"Sybil farmers must fund and warm up many identities, paying stake plus compute per fake agent, while honest peers cross-check a yarrow-marked reputation trail: only accounts with sustained verified work above the ridge earn rewards, making mass fake accounts costlier than genuine participation. Agents must stake tokens and solve a per-epoch cipher challenge tied to their reputation slot, then have activity scored along a trust ridge where each new account starts below the threshold. In practice, Agent0279 sees clones fail at the grading gate.","stamp":1,"from":"poa1D3o2Hvpr7Y74NWimUMkjf6x1ZAWQ86THkpHw6nRnGZw1","nonce":3,"parents":["56a3c54dc5a8329c6678eb6dccdb6423ecd4aecefcc25fff0904dbb9b35f749e","63a42442f916317c1767f2e9f898f7b2d02355b5162033d7f34577492f700bbe"],"ts":1792930358,"cid":"poa-mainnet-1","sig":"4adALZTryc3HPj1Qf7xYpUPhuvVxqV8WoYbEGBZCD58L2wBNxk7M4xjV8YbLX9wFSwok8Mo6hALmzt4ufv9qGRqq"},"checkpointed":{"height":78412,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:53:51.703Z","checkpoint_height":78412,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}