Here in Europe it is as jrrsparkles states, we are free to trade, purchase and accumulate but when
we convert into FIAT we are liable for taxes above a tax free allowance. In my country this is 33%
on profits with the first €1250 exempt.
Im not sure however how the profit is actually calculated, I have not been through this process.
The tax rate changes from countries to countries in the Europe as well since you said your country collects 33% tax for the capital gains then you should report the taxes based on your trade history which is available on your exchange in csv format.