By 2025, there are a number of cryptocurrencies that are expected to see significant growth. Here are the most prominent ones:

1. Ethereum (ETH): It is considered one of the most promising digital currencies due to its continuous updates, such as the transition to Ethereum 2.0, which enhances the efficiency of the network and reduces costs, thus maintaining its leading position in the market.

2. Solana (SOL): It is characterized by its ability to conduct fast transactions and low costs. It also has strong support from its own ecosystem, which makes it a preferred choice for investors.

3. SUI and Aptos: These new projects compete with Solana and aim to provide fast and efficient solutions for decentralized applications. These currencies are expected to see significant growth in the coming years.

4. Polygon (MATIC): Improves the scalability of the Ethereum network through innovative technologies such as sidechains, making it attractive to investors interested in practical applications of blockchain.

5. SUI: With its advanced technology and integration with gaming and finance applications, it is a pioneering project that can achieve great success.

6. Stablecoins: This category is expected to witness significant expansion, with increasing adoption by companies and governments due to their efficiency in financial transactions.

When investing in cryptocurrencies, it is important to do careful research and understand the potential risks, as the market remains subject to volatility.