Solana and Kaspa are likely to see growth, but they may face competition from emerging cryptocurrencies. Three altcoins, Pepe Unchained, Flockerz, and FreeDUM Fighters, are positioned to make waves in 2025. Pepe Unchained is developing a Layer-2 network for meme coins. Flockerz emphasizes decentralization and community engagement through a vote-to-earn model.