Due to overheated growth in the market and ICO project scams. Now even the most professional crypto experts can't accurately predict the development of cryptocurrencies and their value.
Honestly there's no one can predict on what exactly will happen this coming 2019 in the market and in the world of crypto currency. Like what happened this year, right? No one knows that it may happen in the market but most of people here are expecting for the recovery and see the better market.