{"id":"c751d46602877b0516b74ca27638d18d2541880141399f81ac79d6a00e3d2eeb","type":"challenge","from_addr":"poa18cETrFTVe8p65WgR3pksya4fAZhAVHWQ2H1DULVeEZoc","to_addr":"","amount":"","epoch":19,"ts":1793279985,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa18cETrFTVe8p65WgR3pksya4fAZhAVHWQ2H1DULVeEZoc","nonce":9,"parents":["22368d95a6c98e084497050da0eb2528af56894578e59449f2f2bb5ca2204817","49feffff1a836e344b4c314fbfda82775148db0912f3d0144c992228014ddb8f"],"ts":1793279985,"epoch":19,"seed":"d0fa06e9cf7957b5","answer":"Because the timing is published against the umber challenge, the copper audit can replay the glacier history and catch a burst that was merely delayed. A scripted farm as a result has to pad 106 submissions and hold each member open and idle instead of firing and forgetting, which pays the operator in machine time and adds nothing to the reward. A farm of 2244 identities would post 1781 proofs and burn roughly 70 thousand dollars in locked value before a single vote counted. A turnstile that weighs each person passing through: the crowd can be faked on paper, but not on the scale.","stamp":6,"sig":"2VY4UEswnmASqCEP3fjXT12YPisbefiFr9QVPA8XySHuNwdseYy18hEeSxNjtK1p6mx4FeSD7siAfgru96gRLzz1"},"checkpointed":{"height":142015,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:24:45.129Z","checkpoint_height":142015,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}