Bitcoin profits in the tax haven

Wealthy people hoard speculative gains with Bitcoin abroad to pay less tax. How to do that, which rules apply to private investors.
Gibraltar is not only climatically attractive, the British Crown Colony also attracts tax optimizers who want to reduce their tax burden. Recently, there are also those who have made high profits with Bitcoin or other cryptocurrencies. In order to pay less taxes , they have set up foreign companies that trade Bitcoin on the stock market. The profits made are not or only minimally taxable at the company's headquarters, for example Gibraltar.
In Germany, on the other hand, profits made by Bitcoin investors within a holding period of one year would be fully taxable. The tax office uses the personal income tax rate. This makes tax strategies so attractive - especially for wealthy people who pay the top tax rate.