Bitcoin supply. The current bitcoin supply is capped at 21 million, which is expected to be exhausted by 2140. A finite supply means that the price of bitcoin could increase if demand rises in the coming years Bad press. Any breaking news which concerns bitcoin’s security, value and longevity will have a negative effect on the coin’s overall market price Integration. Bitcoin’s public profile depends on its integration into new payment systems and banking frameworks. If this is carried out successfully, demand might rise which will have a positive effect on bitcoin’s price Key events. Regulation changes, security breaches and macroeconomic bitcoin announcements can all affect prices. Any agreement between users on how to speed the network up could also see confidence in bitcoin rise – pushing the price up