Square Cash is definitely some sort of loss-leader, but for what? Most obvious long-run plan would be for user/debit card acquisition (which has lower intercha

Square Cash is definitely some sort of loss-leader, but for what? Most obvious long-run plan would be for user/debit card acquisition (which has lower interchange rates) to support their bread and butter business (merchant tools) as this would increase their profit margins by reducing processing expenses, especially since Square simply charges a single rate to merchants...