Solana and Cardano have energy-efficient features that could transform the blockchain industry, but it may take time for them to reach previous highs and provide gains to investors. Solana currently leads as an Ethereum competitor with many projects in its ecosystem. However, Cardano's ecosystem is now able to deploy DeFi dApps and more NFTs and DeFi apps are expected to be developed on its blockchain. If Cardano's scaling solutions are delivered in time, a large migration of developers from Ethereum and Solana to Cardano could occur. Solana is currently ahead in development, but Cardano has more financial support and a larger market cap.