Could you clarify what you need? For example:
"Authorization code required," the machine droned.
In ancient Egypt, codes were used to convey secret messages between pharaohs and their officials. The Egyptians used a variety of techniques, including substitution ciphers and transposition ciphers, to encode their messages.
Elias stared. "We're related?"
On a rain‑soaked night in the coastal city of Lumen, the hospital’s neon sign flickered, casting a pale blue glow over the waiting rooms. Dr. Aisha Koren, a specialist in neuro‑cryptography, watched the monitor as the infant’s heart began its rhythm. The moment the baby’s first breath broke the silence, the system assigned a tag——and the room seemed to hold its breath.