you don't really use them, they are just a name of a share of the upvotes form the @minnowshares account that will last about a month each round.
3 Minnow Shares
These will give upvotes from the @minnowshares account for a limited amount of time and can potentially be traded for an Upvote Share which will give longer term daily upvotes. (For more info see You Got Sponsored !)
you don't really use them, they are just a name of a share of the upvotes form the @minnowshares account that will last about a month each round.