How did Ancient Greeks send Secret Messages?

The video explores ancient methods of secret communication, highlighting the reliance on illiteracy and unique techniques like tattooing and wax plates. It delves into the Scytale, a Spartan encryption device, discussing its use, limitations, and role in authentication. The video concludes with acknowledgments.

What were the limitations of the catale encryption method?

In what ways did the catale serve as a means of authentication?