We are waiting for the next boom in the cryptocurrency market, and investors are increasingly wondering which promising altcoins are worth holding in their portfolios. Ethereum, Cardano, and Avalanche are projects that are truly worth watching — each has solid fundamentals and real growth potential.

Let's start with Ethereum. The network continues to dominate in innovation, especially in decentralized finance and smart contracts. The upgrades from Ethereum 2.0 were groundbreaking — throughput increased dramatically thanks to sharding and Layer-2 solutions. Today, the network handles over 100,000 transactions per second, which is a huge leap from previous limits. When spot ETFs for Ethereum were approved in July 2024, it attracted institutional money on a large scale. This decision strengthened Ethereum’s position and brought greater liquidity. Currently, ETH is trading around $2,060, although the last 24 hours saw a decrease of 3.82 percent.

Cardano is a project that has built its reputation through diligence and consistency. The implementation of Hydra, a Layer-2 scaling layer, significantly sped up transactions and solved previous performance issues. Importantly, governments and large corporations have started using Cardano for identity management and supply chain systems — this shows that promising altcoins can have real-world applications beyond the crypto industry itself. The community supports the project consistently, contributing to steady growth. ADA is currently priced at $0.24, with a 24-hour decrease of 3.58 percent.

Avalanche is different — it stands out with its Subnet architecture, which allows for the creation of customizable blockchain networks. The platform supports up to 4,500 transactions per second with near-instant confirmations. This makes it an ideal place for developers to build Web3 games, DeFi platforms, and high-speed applications. Avalanche’s flexibility and interoperability attract both investors and creators. AVAX is currently valued at $8.79, with a 24-hour decrease of 3.54 percent.

Which promising altcoins should you choose before the next surge? Ethereum offers unparalleled innovation and institutional trust. Cardano focuses on research and sustainable development with specific partnerships. Avalanche leads in scalability and customization for real-world applications. If you plan ahead, it’s worth following these projects on Gate — where you’ll find current prices and full market analysis.