If you've ever browsed to yearn.finance and been intrigued by the high APY numbers but have been completely confused when you see "yveCRV (a.k.a. backscratcher)" and "yvBOOST", have no fear! In this article we'll cover these two tokens, their role the Yearn ecosystem, and how they benefit from the on-going Curve Wars... and maybe we'll drop some alpha along the way . In order to properly explain it all, we'll have to go back in time for a little Yearn history. It won'...