CVX is the native platform token for Convex Finance.
CVX can be staked on Convex Finance to earn a share of Curve and Frax LP's CRV and FXS earnings.
Platform fees (CRV, FXS) that would be returned to CVX stakers are first locked as veCRV and veFXS, respectively,and tokenized as cvxCRV and cvxFXS before being given to CVX stakers.
Vote-locked CVX tokens receive additional fees from Frax Finance LPs.
Vote Locking CVX
Vote-locked CVX is used for voting on how Convex Finance allocates it's veCRV and veFXS towards gauge weight votes and other proposals. Users must vote-lock their CVX tokens in order to participate. Vote locking requires users to time-lock their CVX tokens for 16+ weeks. Full details on the vote locking mechanism can be found on the the "Vote Locking" page.