By and large, all transactions related to bitcoin are in China. In 2013, bitcoin cost $ 75. Perhaps then it could still be bought for $ 100-200. But then it skyrocketed to $ 1,200 and was banned from China in China, bitcoin was considered an official currency (it fell to $ 700).
In any case, you can consider that it is better to invest on the initial stage when there is a risk to receive money or to remain without them. And now the price is high and if you continue to invest and wait a couple of years then try to withdraw money.