According to CoinMeta, Billy Marcus (the co-founder of Dogecoin), posted a mysterious message on social media that read "Are we back?" which attracted widespread attention from the crypto community. The timing of this message coincided with an overall market rebound, with most cryptocurrencies showing an upward trend; Bitcoin rose by 5% in the past 24 hours, and Ethereum gained nearly 6%. In addition, cryptocurrencies such as Avalanche, Ethena, Morpho, Filecoin, Injective, and VeChain saw increases ranging from 14% to 22%. Dogecoin itself rose by nearly 4% in the past 24 hours and is currently trading at $0.088. Market sentiment remains bullish, reflecting a positive market atmosphere. Marcus' post did not provide any additional background information, leaving followers to speculate about his intentions.