Dogecoin, Shiba Inu, Pepe, and Layer Brett are at the forefront of the meme coin market in 2025, each showcasing unique dynamics. Dogecoin continues to lead with strong liquidity and brand recognition, boasting a market cap of $36.3 billion and a 24-hour trading volume exceeding $2 billion. Shiba Inu, however, grapples with supply challenges due to its 589 trillion circulating tokens. Pepe is gaining traction with a market cap of $4.07 billion, characterized by high volatility and rapid momentum. Meanwhile, Layer Brett is emerging as a new contender in the meme coin space. All these tokens depend heavily on community engagement and speculative demand, highlighting the competitive and structurally diverse nature of the meme coin market.