AAleksandarinsoftware-witchcraft.hashnode.dev·May 2 · 9 min readDesigning Pairing Codes: Tradeoffs, Mistakes, and a Simple Approach That WorksWhile building Booth Beam, a digital signage tool, I ran into a problem that looks trivial at first glance: how do you connect a TV to a web app in a way that’s fast, reliable, and hard to mess up? Yo00