Due to high demand and low supply. Not only this math is working for increase in price of Bitcoin but also increasing investment in other altcoins ( cryptocurrencies). So finally market cap of Bitcoin as well as other cryptocurrencies is increasing surprisingly and exponentially. Few other things also impact on increasing price of Bitcoin globally. Decentralization, open source, security, transparency are some of characteristics which are taking world towards digitalization and new era of business at C2C level with total privacy, safety and trust.