<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?kabla hatujatafuta sarafu bora za uwekezaji katika 2020, wacha tuanze kwa kutazama sarafu za crypto na zinahusu nini.  <response>: before we take a closer check out the finest cryptocurrencies in 2020, lets make sure you recognize the factors to buy cryptocurrencies. 