A prominent feature of blockchain is that participants can confirm transactions without the need for a central clearing authority, such as a central bank or government. The value of cryptocurrencies

Based on this, the major influential body that can impact the BTCUSD pair is the U.S. Federal Reserve, which has the mandate over the most powerful fiat currency, the USD.

The current market price of Bitcoin is updated every 3 minutes and is automatically sourced in USD. Bitcoin prices in other currencies are based on their corresponding USD exchange rates.