Best Finish for Birch Butcherblock Table

[windknot]

I am thinking about buying one of the pre-made birch butcherblock slabs at Lowes for a table at our house Down East. What finish would be best on something like this to protect from water rings etc?

https://www.lowes.com/pd/The-Baltic-Butcher-Block-6-ft-Natural-Straight-Butcher-Block-Birch-Kitchen-Countertop/999931664