A three-word post from Dogecoin cofounder Billy Markus has become the latest focal point for a crypto market suddenly showing renewed vigor, as major tokens and a host of altcoins climbed in tandem.

Markus, who uses the online alias Shibetoshi Nakamoto, wrote “We’re So Back?” on X without naming any specific digital asset. The ambiguity was enough to ignite debate across trading communities, with participants split on whether the message referenced Dogecoin’s own gains, Bitcoin’s rebound, or the broader improvement in sentiment across the sector.

The timing lent the post extra weight. Dogecoin advanced nearly 4% over a 24-hour window to trade around $0.088, while Bitcoin rose roughly 5% and Ethereum gained close to 6%. A wider group of…