Btc To Usd Exchange Rate
According to research by Cambridge University, between 2.9 million and 5.8 million unique users used a cryptocurrency wallet in 2017, most of them for bitcoin. The number of users has grown significantly since 2013, when there were 300,000–1.3 million users. On 16 October 2021, the SEC approved the ProShares Bitcoin Strategy ETF, a cash-settled futures …