The Sol currency is the digital currency used on the Solana network, which is a blockchain platform designed to facilitate transactions quickly and efficiently. Solana was launched in 2020 and aims to provide solutions for decentralized applications (dApps) and smart contracts.

The Sol currency is used to pay fees on the network, as a means to secure the network through the transaction verification process, as well as a means for investment. Solana is considered one of the fastest and most efficient networks, contributing to its growing popularity in the cryptocurrency sector.