Does Linea have its own token?

Linea does not have its own token.

As a benefit of its EVM-equivalence, Linea uses ether (ETH) as its native token, which means you'll need ETH to pay for transactions.

If you're using the Linea testnet, you will need Sepolia (testnet) ETH, which does not hold any actual value. Sepolia ETH on Linea Sepolia can be used in the same manner as ETH on Linea Mainnet.