Well most of us know that Coinbase was having massive difficulty today..
People were panicking all over the world!
There were a bunch of rumours swirling around the internet today...
The real reason was that CNBC did a feature profile on bitcoin and where to buy it..
http://www.cnbc.com/2017/05/25/here-are-the-ways-to-buy-bitcoin.html
Coinbase had over 250,000 visitors all at once... If you are not expecting that kind of traffic all at once then things can get a little out of hand.
What do you believe the real reason was that Coinbase went down?