Sure you have seen all over the news that Jamie Dimon feels cryptos are a fraud that will blow up etc. 

He said he would fire anyone at JP Morgan who traded bitcoins for their stupidity alone. 

Looks like he will have to sack a lot of people in that case as JP Morgan is the fourth largest buyer of bitcoins in Europe. 

Have a read here:

https://goo.gl/zyV2Yk