Independent verification

A validator re-scores submitted results on its own GPU and signs a verdict with its own key. A result is confirmed only when the validator's score agrees with the miner's within a stated tolerance.

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Guard the money

A payout batch needs signatures from independent keys before the program will mint any LIFE [two keys at launch, growing to 2 of 3 as outside validators join], and the program enforces a cap per day whatever anyone signs.

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Validator earnings

Validators are paid 7.5% of a result's reward for each result they verify.

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Public record

A validator's record is public too: its re-score error by miner and by GPU model. Joining is [open by application / to be decided].