from zero bitcoin grow to the highest ever price 20000 usd per btc in december 2017, now 2018 bitcoin like controlled to be down the price again maybe until the price reach 3000 usd i don't know when it will be happen but i have a believe it will be happen, and until its reach 3000 usd it will going up again slowly but the highest price will never reach 25000 usd for untill years 2020.
how do you think about my thats own opinion?