Bitcoin price pump or dump but I think it cannot be zero or scam. On the other hand, Most altcoin down so huge and some are scams or valueless.But if you pick the right time and coin hope you can change life. After 2017 maximum project scam or price dumping and investors don't want to invest money on the project. Every altcoin price or market depends on bitcoin price that means the crypto market depends on bitcoin price ir news.