Mara’s younger brother, Eli, a 12‑year‑old coding prodigy, was fascinated. He set up a little makeshift lab on his bedroom floor, connecting his Raspberry Pi to the network and listening for packets. After a few hours, he caught a faint, repeating pattern in the data—a series of short bursts that, when translated from binary, read: Eli grinned. “It’s not a password. It’s a code.”