Buying Bitcoin is different though. When you buy Bitcoin you're effectively buying an asset. That of course is not taxed.
In most countries there's also an income tax. If you obtain Bitcoin through an activity, for example working for Bitcoin, or mining, etc, that is considered income, and taxed accordingly.
I understand what you mean, butindonnot think bitcoinnisntaxed that way. Read below quotes.
Crypto Taxes When You Mine Crypto
If you earn cryptocurrency by mining it, or receive it as a promotion or as payment for goods or services, it counts as part of your regular taxable income. You owe tax on the entire fair market value of the crypto on the day you received it, at your regular income tax rate.
Cost of power: What is your electricity rate? Keep in mind that rates change depending on the season, the time of day, and other factors. You can find this information on your electric bill (measured in kWh). Electricity is not only required for running computations on mining systems but also to cool them and prevent them from overheating.
Efficiency: This value is a function of the difficulty level and efficiency in the number of calculations that your mining system to win the puzzle. Briefly, it can be formulated as the amount of power that your system consumes (in watts).
Time: What is the anticipated length of time you will spend mining? To maximize the chances of finding a block, most individual miners run their systems for extended periods of time, even 24 hours, if they can afford the bills.
Bitcoin value: The current value of bitcoin is the return on investment of your expenses to mine the cryptocurrency. What is the value of a bitcoin in U.S. dollars or another official currency?
All what I have known and while using mining profitability calculator are electricity, bitcoin price and mining difficulty. If government tax is among, it should have been included in some articles and mining profitability calculator.
I am not a miner and I may not fully know much about mining. philipma1957 can be helpful about this as he is a miner.