Dogecoin (CRYPTO: DOGE) and Shiba Inu (CRYPTO: SHIB) were falling about 2% each during Tuesday’s 24-hour trading session, in tandem with Bitcoin (CRYPTO: BTC) and Ethereum (CRYPTO: ETH), which were declining about 1.5% and 3.5%, respectively. American billionaire entrepreneur and television personality Mark Cuban said recently that Dogecoin’s popularity has been waning, as evidenced by a decrease in Dogecoin transactions for Dallas Mavericks’ tickets and merchandise.