Well a lot of critics has come out to state a lots of rumours about bitcoin and in some way caused panic well that's among the newbies.
So said bit coin is a bubble just like tulips, some says it is a ponzi scheme and will soon be banned

Other where critical about it's security level and it's vulnerability to hackers well over nine years bitcoin still is the top coin in the cryptocurrency and those critics are still trying to purchase more bitcoin

What is the worst thing you have heard about bitcoin