The Scytale and the Spartan Crypto-State

Before algorithms, before binary code, before anything we’d recognize as a computer — the Spartans built a military encryption system so elegant it survived centuries of warfare. This episode explores the scytale, a wooden baton that turned a strip of leather into the ancient world’s most closely guarded secret. We go inside the Peloponnesian War to understand what it meant to trust a piece of wood with your army’s survival.