With the rally to six-month highs, DOGE has replaced Ethereum competitor Cardano’s native token ADA as the sixth largest cryptocurrency in the world. At press time, DOGE, which was started as a joke in 2013, had a market cap of about 17.5 billion, while ADA had a market value of $14.5 billion. DOGE’s market cap currently exceeds that of more than 120 members of the S&P 500.