Most of us trigger a capital gains tax event when we sell any of our Bitcoin for profits. In my country we pay 20% on profits over a small figure. There are many countries that don’t charge any tax at all though on Bitcoin sales.
There’s a list of 16 of the best countries in the world for Bitcoin here
https://tokentax.co/blog/crypto-tax-free-countriesMy country's government has levied a crypto asset transaction tax which will be effective from 2022 or to be precise on May 1 2022. We traders or investors will be taxed every time we make a transaction, whether between crypto to crypto or when we convert crypto to fiat. The minimum percentage set so far is 0.21% per transaction, that does not include trading fees. Not only that, the government also requires every user who is a taxpayer to report their annual taxes.
Annual crypto tax revenues are huge, especially when there are large trading volumes taking place across all licensed exchanges. On the one hand, I must say it is a very unpleasant thing, they require us to pay taxes regardless of profit or loss. This means that every transaction will be subject to tax, whatever it is.