In 2024, several top cryptocurrencies, including Polygon (MATIC), XRP, and Cardano (ADA), are trading for less than $1. While Polygon's future is tied to Ethereum, competition and a slow NFT market pose challenges. XRP faces an ongoing SEC lawsuit, making it speculative. Cardano, though often seen as uneventful, is gaining strength in DeFi, with a surge in total value locked. These sub-$1 cryptos offer opportunities but come with risks, making them suited for cautious consideration in investment portfolios​.