Despite fairly steady growth over the past decade, Bitcoin is still a market facing a risky future. Bitcoin will have to continue to struggle to develop step by step and claim a more promising position in the future. The biggest threat to Bitcoin's future:
 - Miners lost confidence: after the price of Bitcoin went down, thousands of Miners fell into trouble with consecutive losses, even many factories selling mining machines went bankrupt.
 - As users become more conscious, Bitcoin may be shunned in favor of anonymous coins and altcoin may even become insecure.
 - Attacks of hackers listening to this very fertile cryptocurrency market. this even had a negative impact on the BTC price, causing many investors to give up.
 - Many factors outside the crypto community still have a great influence on Bitcoin or BTC investment.