Bitcoin is Scam. Short-lived CEO and co-founder of PayPal - Bill Harris has written his own opinion on cryptocurrency, Bitcoin. According to him, he claims that bitcoin is a fraud. He said it was an incredible pump and dump scheme, never seen or experienced in the world.
ignore him. there were many of them there will be always. if you believe in blockchain technology and as soon as there will be people like you bitcoin will stay alive. so many big companies already trying to join crypto market. even facebook announced that they will create their own cryptomoney.