By Opal Wright You might be hearing a lot about post-quantum (PQ) cryptography lately, and it’s easy to wonder why it’s such a big deal when nobody has actually seen a quantum computer. But even if a quantum computer is never built, new PQ standards are safer, more resilient, and more flexible than their classical counterparts. Quantum computers are a big deal; just ask around, and you’ll get plenty of opinions. Maybe quantum computers are on the verge of destroying public-key cryptography as we...