Factors that can affect the growth rate of Bitcoin
Bitcoin is initially positioned as a coin, which does not depend on the authorities and any government. However, any rumors about the possible tight regulation of cryptocurrency are immediately reflected on the market behavior, and on the Bitcoin course in 2018.

For its part, the Bitcoin community is constantly looking for new solutions in order to improve the ecosystem. There are many factors that may affect the forecast of the Bitcoin rate for 2018, but it is worth mentioning among the main ones:

regulation;
disagreements within the Bitcoin community;
demand growth;
speculation.