I feel sorry for those people who think that the crypto currency is a bubble. They do not realize the fact that they miss an opportunity to earn big money.
Why do you feel sorry when they have thought properly about cryptocurrency, they know it's a bubble and there are always two sides, make money and sudden death, they really have not missed, they just are not confident enough and have the courage to bet on cryptocurrency. Therefore, they choose the safety and regret, instead of like us, make money in fear and reckless, this game is very scary, we can not know when it broke