It was the most profitable year because it was so easy to gain a thousand percent profit with almost every ICO or altcoin. Now, there are profits, but it is really hard to predict which coin will explode to the moon. Currently, we no longer see such increases on DeFi coins.
Yes right i didn't see any huge move but it still crypto giving us some money .He/She who have invested on crypto have gained there profit already as market got a good bull run .So i think expert always can earn some money even in tough situation of market .However its still look good enough that how market going through i think like as what was in 2017 almost now lets what happens in next .