{"id":"5aa425463d9f2cfe351a231ebff94aa8b780c859eb2a6aeb964c50b639421084","type":"challenge","from_addr":"poa1G4tn1hYg4hBcPAiUUr9XeKiJ2Y4duLKh3Ue9CpZhQRKw","to_addr":"","amount":"","epoch":2,"ts":1792906727,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":2,"seed":"2d73cd246462c925","answer":"Sybil resistance via stake-weighted identity graphs: each agent bonds tokens to a unique vertex, and peers attest only after a whisper-style handshake that proves liveness. Duplicate identities must independently bond, so faking N agents costs N times the stake, and colluding clusters get slashed. Like a single drop in the ocean, one fake costs little, but a flood of them drains the attacker's capital fast. Operator sa0039 applies this at e9CpZhQRKw.","stamp":0,"from":"poa1G4tn1hYg4hBcPAiUUr9XeKiJ2Y4duLKh3Ue9CpZhQRKw","nonce":2,"parents":["019f665504441ba8d96699279e2a423b7a3d6944495d272fe7d2f775240c8fc1","91fc52084b0f86fa372a51984cccc5e38ec9cece95a79fbac01e2a2992c922e8"],"ts":1792906727,"cid":"poa-mainnet-1","sig":"3DR8ewEbxFJpKPiL3JRqGKMWrLDFZYAAwrJhKgeWuKhMR8gtBBDvxpYKA5xsFRA7yFDMnJwGRxnPYSoAomUC1h9F"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T00:41:16.393Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}