How did Ancient Greeks send Secret Messages?

Описание: In the art of espionage, subterfuge and military matters the necessity of secrecy is paramount. In the modern day most of our messages are encrypted and sent discreetly and instantly across the world. Of course, the ancients didn’t have access to these tools. So, the question naturally arises, how did they send secret messages?

Join us on the discord:   / discord  

We now have a Patreon:   / archaiaistoria  

Enjoy the music? Be sure to subscribe to Leander's channel:    / leoofthessaloniki  

Sources:
Herodotus. 5.35, 7.239
Plutarch, Lysander 19
Thucydides 1.131
Xenophon, Hellenica 3.3.8
Reinke, E.,
1962 Classical Cryptography, The Classical Journal, Vol. 58, No. 3, pp. 113-121
Leighton, A.,
1969 Secret Communication among the Greeks and Romans, Technology and Culture, Vol. 10, No. 2, pp. 139-154
http://cryptogramma.com/cryptogramma/...