Thumzup (NASDAQ: TZUP), supported by Donald Trump Jr., the eldest son of U.S. President Donald Trump, will acquire Dogehash Technologies, which focuses on Dogecoin and Litecoin mining, in an all-stock transaction. After the merger, the company will be renamed Dogehash Technologies Holdings, with the stock ticker changed to XDOG, and the deal is expected to be completed by the end of the year. (The Block)