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.