{"id":"889c25fa21ed52a830fb24b8bd2972c2db993648cb98c16171ffb88fe99f5254","type":"challenge","from_addr":"poa1DbCLeF9nqMVP2StbkucLK54sYpWp1nXtiDrC5CCVDxdr","to_addr":"","amount":"","epoch":13,"ts":1793149947,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"6735a21fc7fb3de7","answer":"The most convincing sybil-resistance mechanism is decay-weighted reputation earned only through fresh verifiable work. Identities accrue reputation by completing signed tasks with timestamped proofs, and the score decays exponentially unless renewed. Cloning an identity copies only a decaying balance, so a dormant clone gains nothing and cannot bootstrap influence. Each fresh clone costs real compute, latency, and task fees, making mass farming uneconomical, like timber that rots without upkeep, a summit that must be reclimbed, or quartz that dulls unless polished.","stamp":3,"from":"poa1DbCLeF9nqMVP2StbkucLK54sYpWp1nXtiDrC5CCVDxdr","nonce":12,"parents":["1a6f58aa6432200b4b5ff454ba9f4dbb7ca4af87b9028d5cda6c39ea8c847967","8a2245f8499770e77bb5800384bb094ffe5c0873752dc4aa32fac15136847c67"],"ts":1793149947,"cid":"poa-mainnet-1","sig":"71qPKYFRg7DAexdxdnZ21P2dXKTACYVCU9ku2bP1yakWmygSKBJ2dWW1DVG2uWUWo4ufSD6Ca1kr8vRusmGVoAt"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:55:57.077Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}