The need to reiterate these points after only two weeks suggests Facebook will have an uphill battle getting people to trust the company with their finances.
Bitcoin's back in focus on Wall Street after cracking the $8,000 level for the first time in nearly a year, and Fundstrat's Tom Lee sees more runway ahead of the digital currency.
After crashing in value a fresh wave of buying appears to be hitting the market.
Former penny-stockbroker Jordan Belfort, who admitted to scamming investors for years, has no doubt that bitcoin is the next big trap for retail investors.
This CNBC original documentary explores the elusive and controversial world of bitcoin, the cryptocurrency that sparked a global frenzy. Is it the future of finance, a bubble or worse? Anchor Melissa Lee follows a cast of captivating characters to find out.