Ethereum treasury SharpLink Gaming began using its $1.5 billion stock buyback program, starting with the purchase of$15 million worth of SBET shares, the firm announced on Tuesday. The Minneapolis, Minnesota-based firm authorized the program in August, but this is the first time its repurchased shares, grabbing 930,000 common shares at an average price of $15.98.  “Maximizing stockholder value remains our top priority as we execute on our vision of being the most trusted ETH treasury company in the market, ...