now btc and eth have hight price,in the futrue btc,eth may be hight more and more,i invested eth but i want invest some alcoij and hold some year,may i can share it for me
It will affect the investment, but a little.
It is difficult to imagine what taxes will be on Bitcoin. If countries usually make taxes on profits. That is, they will take the tax on the profit of the investor. But if the investor is at a loss, then the investor should be paid by the tax holders if we follow this logic.