There is a reason if why lost confidence in bitcoin. Example; the reason of lost confidence is scam. If you tried to invest but your invest is not earn and back to you it will be happen you scam. This is the one reason if why user in bitcoin is lost confidence. Likewise, I have experiemce to scam but I can't do it invest anymore to the investment site because, you pay once you invest but if you invest again the intrucstion for payment is  change so it is scam.