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Could there be a virus that swaps the transaction value and fee on any wallet, just after the user click to sign before transmitting the data?
when you say virus, do you mean the beer one?
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if a virus is successful at changing the transaction like that, it would make more sense to change the input address (to the hacker) instead of leaving the funds as fee to a random miner.. probably a buggy low-level script and some dev is really f***ed up right now..
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