Bitcoin and other cyptos experienced a big dump in June. If I am correct, this is a not a bubble burst. Another rapid climb is coming in the next few months. According to the history, Bitcoin price can reach 10 times of the previous peak. The price of Bitcoin is growing steadily, around a double per year. The fair price of Bitcoin now should be around 1500 USD. The peak at 3000USD reached previously is just a double of the fair price. We can say it is a bubble but it is still far from the bubble burst. So I guess after reaching a bottom at around 2000-1500 USD, it will grow again till around 10000 USD before it is bursted at the end of 2017. That would be the time to sell Bitcoin.