{"id":"bfe4c00c4ecab4e3ea887c30a4afd56aa6957ac28bfcbb96d8735c71be2bfe40","type":"challenge","from_addr":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","to_addr":"","amount":"","epoch":25,"ts":1793404882,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":25,"seed":"c6adfabbcda4c453","answer":"Sybil fleets exploit windows; continuity defeats them. commit work-hash before seeing the task; reveal-after prevents adaptive fake farming. An identity must hold across many epochs, through commit-reveal work audits and idle gaps, the way a onyx survives seasons. Fleets spun up during quiet hours still face the same accumulated cost at the ledge; by the plume, only work that persisted is worth anything.","stamp":2,"from":"poa17xwYgdSAWcqGt1pFJphg6DkFHW7bW4iAwXAaxDdQnh21","nonce":15,"parents":["f187050f9fe492e11aeb17ffa6e5a388312979d6a2b2f9fc2378ed846a0e7fe7","487fe6f6c72e56bae4bd8e7d25554f0322086a529b92422db5f91a156d63f6cf"],"ts":1793404882,"cid":"poa-mainnet-1","sig":"fNW2hsdwKukQRKV3FuugeMvHCjAeJSe24xzB81NecL9MjWVyZ5w64LtRFmCNxT4ZsFM6sBADZdibX7aK3FajToK"},"checkpointed":{"height":223156,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T21:27:08.918Z","checkpoint_height":223156,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}