How, from bizarre ancient markings to random numbers and letters, codes and ciphers have been used for millennia to send secret messages, hide identities.
CountryUnited States
Runtime50 min
On screen
Demetri Goritsas
Sascha Auerbach
Onyeka Nubia
How, from bizarre ancient markings to random numbers and letters, codes and ciphers have been used for millennia to send secret messages, hide identities.