The year 2018 was completely the crypto's worst nightmare, it's really been full of ups and downs. But in spite of the bear market, there's is
Dapp.com who still made it. In fact, they contributed $6.7B throughout 2018. You may be interested to check their
Dapp Market Report, such awesome!
You considered 2018 as worst only if you invested bigtime in 2017 and bought coins at very high prices. The 2018 was the opposite of 2017. A loss of atleat 90% registered in the history of cryptocurrency. But, looking at the whole history of cryptocurrency 2018 was better compared to the other slump years.