<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?hapo awali, bitcoin ilizingatiwa mwenendo unaopita ambao hautadumu katika masoko ya kifedha wakati ulizinduliwa kwa mara ya kwanza mnamo 2009.  <response>: bitcoin has had a very volatile trading historical past because it was first created in 2009. 