Multiple sources strongly corroborate both claims in the statement. Evidence from ainvest.com, blockonomi.com, and CoinMarketCap explicitly states that Donald Trump Jr. sold a significant stake in Thumzup. These reports directly link the sale to the company's expansion into the crypto sector, with other sources detailing Thumzup's plans to build a Bitcoin mining facility and acquire various crypto assets like BTC, XRP, and DOGE.