Thumzup (TZUP), a media company owned by Trump's eldest son, has announced in a shareholder letter that the company has invested $1 million in Bitcoin. The board has also authorized the purchase of more DOGE, LTC, SOL, XRP, ETH, and USDC cryptocurrencies, as well as the purchase of 2500 DOGE mining machines. They may also purchase an additional 1000 mining machines in the future.

Previously, on August 20th, Thumzup (TZUP) announced the acquisition of Dogehash Technologies through an all-stock deal. The company will be renamed "Dogehash Technologies Holdings, Inc." and will trade on Nasdaq under the new stock symbol "XDOG". The transaction is expected to be completed by the end of this year, with Dogehash's technology partner being the mining machine manufacturer ElphaPex.