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And with a tiny bit of network knowledge and equipment it's easy to see where where data is flowing to and from for your miner. And see where and what is being done.
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Alas you cannot, it encrypts the 'extra' data inside the miner, so you can only see 'where' it is going.
You cannot see how much the fee is nor what other data is sent.
Also it's close source so you can't even check any of that.