Here are some key features of the SOL (Solana) cryptocurrency:

* High transaction speed: Solana is known for its ability to process a very large number of transactions per second (TPS), reaching up to 65,000 TPS. This speed makes it ideal for applications that require high scalability.

* Low transaction fees: Transaction fees on Solana are extremely low, often less than $0.01 per transaction. This makes it cost-effective for users and developers.

* Scalability: Solana's architecture is designed to be highly scalable without compromising speed or decentralization, thanks to a unique consensus mechanism called Proof of History (PoH) in addition to Proof of Stake (PoS).

* Developer-friendly ecosystem: Solana provides strong support for developers through tools, libraries, and a growing ecosystem to build decentralized applications (dApps).

* Growth of NFTs and DeFi: Solana is gaining increasing popularity in the fields of non-fungible tokens (NFTs) and decentralized finance (DeFi) due to its high speed and low costs, hosting prominent projects like Magic Eden and Serum.

* Environmentally friendly: Solana is designed to be energy-efficient, consuming much less energy compared to many other blockchains like Ethereum.

* Extended token support: Solana offers advanced features for tokens such as support for real assets, streamlined payments, permanent fulfillment, and privacy preservation.