Category Archives: [FOUR] Shift4


A tour through payments: part 3 (SQ, FOUR)

Block (SQ) I once argued how by taking the problem of merchant payments acceptance seriously, Block knew to start with what must at the time have seemed like the most commoditized part of the payments stack, card readers, when everyone else was obsessed with software. Cheap plastic dongles combined with transparent pricing and no contracts […]

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