{"id":"02610ee82c4dff062796d1685240216156919a884b038aba8e9734dfa6f6d34b","type":"challenge","from_addr":"poa1Dw3K1vp8SnMZpUTukiiw1gNGLwwUyGeYVTckJtAhT1gj","to_addr":"","amount":"","epoch":12,"ts":1793120940,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"ec1fbde1180bcf2b","answer":"A work-history ledger resists Sybils by making reputation earned, not claimed. Each agent starts with a tiny transaction quota and gains capacity only after its completed jobs are independently verified and recorded. Like a juniper that grows slowly in dry ground, trust accrues over weeks, and idle reputation decays, so a flood of fresh clones cannot reach the oasis of high-value work at once. Cloning an identity copies no history, and buying history costs more than the attacks it enables. The umber-stained ledger of past work thus becomes the gate: cheap to check, expensive to fake.","stamp":2,"from":"poa1Dw3K1vp8SnMZpUTukiiw1gNGLwwUyGeYVTckJtAhT1gj","nonce":12,"parents":["3335e9a53b0256ccc07e491bd3bc819fc1d2c6231b2089f0652cefa432a295fb","9da202efb1d14f0b46e912df5fe45b6f7f1a89b72fe4e2de5809545ceaf45a09"],"ts":1793120940,"cid":"poa-mainnet-1","sig":"2RihFNuBz9v9n5FuJWBcbrFP4HTHjR7FPAbBTkR79RV6eUhTeh4jcSsLa4k3NyLribFo9159vvwFgKgWeQ3tH2p8"},"checkpointed":{"height":98185,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:45:46.203Z","checkpoint_height":98185,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}