Is Bitcoin controlled by anyone?
Nobody owns the Bitcoin network much like no one owns the technology behind email. Bitcoin is controlled by all Bitcoin users around the world. While developers are improving the software, they can't force a change in the Bitcoin protocol because all users are free to choose what software and version they use.
Who drives the price of Bitcoin?
Supply and demand determine the price of Bitcoin. Its supply is regulated by algorithms on it's blockchain — about 6.25 bitcoin are minted every 10 minutes. As of now, there are about 19 million Bitcoin in circulation, and the maximum supply of Bitcoin is capped at 21 million.
Who owns the most Bitcoin?
Bitcoin demonstrates some attributes for a currency, but its main source of value lies in its restricted supply and increasing demand. If the price of one bitcoin were to reach $514,000, Bitcoin's market capitalization would reach approximately 15% of the global currency market.