From digital art to the diamond trade, buyers and sellers face great uncertainty in online deals. Now blockchain technology can eliminate some of that uncertainty. It has the potential to revolutionize the online business.
After Thursday's massive hike in Bitcoin's value, the cryptocurrency fell 15 percent on Friday on profit-taking. The volatility has been put down to a decision by US regulators to allow Bitcoin trade on major exchanges.
If you were a wannabe hacker, here's how you'd use bitcoin to hold internet users to ransom. But be warned: You'd probably get caught - especially if you made mistakes like the WannaCry hackers.
Cryptocurrencies have grabbed a lot of attention in recent days as the value of bitcoin skyrocketed to hit record highs and Venezuela announced plans to create a digital currency called "petro."
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