According to The Block, Nasdaq-listed ThumzupMedia Corporation has announced the expansion of its corporate finance strategy from Bitcoin to include various digital assets such as Ethereum ($ETH), Solana ($SOL), $XRP, Dogecoin ($DOGE), Litecoin ($LTC), and Circle's stablecoin USDC. It also revealed that Donald Trump Jr., the son of the U.S. President, holds 350,000 shares of the company, with a current market value of approximately $4.00 million. Previously, the Thumzup board of directors approved the allocation of up to 90% of its liquid assets to cryptocurrencies, holding 19,106 $BTC as of July 8. [ChainCatcher]