I think Bitcoin is a worldwide cryptocurrency and digital payment system called the first decentralized digital currency, as the system works without a central repository or single administrator.

my biggest regret is different step of profile..
some of newbie,
I can't apply all from..

I think world war 3 could happen if USA and North corea beagn fight..
trum and kim je abe..
third county has rasia..
it also occur third world war..

yeah..
global warning is real..everybody sea level water increasing...
this occur global warming