Coinbase clients some of them their accounts have been closed down no reason and some of them their accounts and their coins has been stolen in coinbase.  The US Government is putting new regulation in place to combat bitcoin, and  the american is having hard times to get bitcoin by convert US$ into bitcoin.  The US$ is on the verge on the collapse. 

Check this Excellent documented fact video about the US govt extortion of bitcoin coming soon.
https://youtu.be/r8DB4MjH9sA