Have you ever noticed that sometimes people pay with coins… and other times they just tap a card or a phone? It can feel a bit mysterious when no money changes hands. Let’s slow it down and look at it together.

The Spark was quieter than usual, the kind of quiet that made every keyboard tap sound louder than it should. Archie sat hunched over his laptop, hoodie sleeves pushed up, eyes flicking between his design file and the time on his watch.