I'm resident, but this is new experience for me too. I see here great misunderstanding close to the nature of the taxes. It is time to remaind about the reasons of every taxes we must pay. We need to get  more strongly definitions of the most important conceptions: "profit", "taxable trade", "VAT",  and so on... At a moment I do not know any string in the EU income declarations with strictly specific rule about mining cryptocurrency as a profitable, taxable business. There are a lot of the game online with similar actions... this is problem to sort it and create logical concept for the cryptocurrencies make taxable.
Thank you.

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It is funny to see this. We must understand what the taxes for using BTC is?
There are two cases:
1 IF it is the payment to Creator of your money THEN you have nothing to pay. Because the BTC was not created by Mr. Rothsield's bank. You already have paed to creator of your BTC.
2 IF it is the payment like for your owner ... THEN yur government is criminal "roof" because you are the free and not slave. In this case you have nothing to pay them
3 ... third not exists, nothing else, all other taxes you already pay in EUR...