Donald Trump Jr. has purchased shares in a loss-making social media company that is building a Bitcoin reserve, the latest investment by the Trump family in a "cryptocurrency as a treasury asset" strategy. Thumzup Media Corp., based in Los Angeles, said in a filing on Wednesday that Trump Jr. holds 350,000 shares of the company, worth more than $4.00 million based on yesterday's closing price of $12.36 per share. According to a person close to Trump Jr., Trump Jr. purchased the company's shares on the advice of his investment advisor and has no other relationship with the company. (Golden Ten) [Odaily Planet Daily]