$SOL Solana (SOL) is a high-performance blockchain platform designed for fast, scalable, and low-cost decentralized applications (dApps) and cryptocurrencies. It uses a unique Proof of History (PoH) combined with Proof of Stake (PoS) mechanism to achieve high transaction speeds—processing thousands of transactions per second with minimal fees. SOL is the native token used for transaction fees and staking. Solana is popular for NFTs, DeFi, and Web3 projects.