https://www.theguardian.com/technology/2021/feb/08/tesla-bitcoin-price-new-high-elon-musk-dogecoin > Elon Musk has helped to drive popularity of cryptocurrencies, including bitcoin and dogecoin > Tesla, the electric car company run by the world’s richest person, Elon Musk, revealed on Monday that it had bought $1.5bn (£1.1bn) in bitcoin and said it may soon accept payment in the popular but controversial cryptocurrency.