Previously i think bull run will happen in 2021 but i wrong after i read an article, at article show that bull run happen every four years. the first bull run happen in 2016, the second bull run happen in 2016. and the next? yes in my prediction bull run will happen in 2020
after bull run in my opinion is the all cryptocurrency price will increase high price. many investor coming for take their profit and people come again because see good chance