Users who are willing to deposit and lock up their PICKLE tokens for a period of up to four years will be rewarded with DILL. You could find more details in Pickle Finance Docs
ve3DILL is tokenised version of $Dill
veToken Finance enables users to deposit $PICKLE and converted to ve3Dill. And users are able to stake and unstake ve3Dill. By staking ve3Dill, Users are able to get the same rewards from locking Dill, and additional rewards from Pjar Farms. And you could exchange ve3Dill for PICKLE at the secondary markets.
In the meanwhile, veToken Finance locks $Dill permanently, which allows the system is able to get boosted rewards and voting ability on gauge weights.