The real-time price of Brent crude oil is at $75.07 per barrel, and the price of WTI crude oil is at $71.22 per barrel. Oil prices are customarily quoted in dollars (USD) around the world, not only in ...

Ever received a paper token from your next-door paan shop in lieu of a small change, which he would accept the next time you visit him? Imagine that token digitally, and that's your cryptocurrency.