On May 13, billionaire and philanthropist Bill Pulte tweeted that there are three things that need attention: Bitcoin, gold and silver. Among them, Bitcoin ranks first. It is reported that Bill Pulte’s public attention to the crypto market dates back to November 2019. He donated bitcoin on Twitter and said that the decentralized system is the future. At the end of 2019, Bill Pulte publicly stated that he had purchased 11 bitcoins, and later tweeted that he had purchased more bitcoins.