It's probably because 2018 is a bear market season and now 2019 the market has recovered, we really cannot if the bullrun is already happening but its a good sign. The future of cryptocurrency is bright because mass adoption is gradually increasing and crypto will be mainstream in the future.
it is true that in 2019 the market has recovered, there seems to be an increase. We hope that crypto will grow further and I hope that in 2019-2020 it will be beautiful.