Say if I have 100 crv tokens. if I just lock them for 1 year, I will just get 25 vecrv tokens now, and if I lock for 4 years I will get 100 vecrv tokens now. And staking rewards are distributed to vecrv holders, so more vecrv means more rewards, meaning 100 vecrv will gain 4x staking rewards than 25 vecrv in the next year. But in a year I am able to sell my 100 crv if I just lock for 1 year but am only able to sell my crv in 4 years if I lock for 4 years. And yearn provides all these options in their website and it is auto-compound