A recent study published in the journal Cryptologia presents what its author calls the Naibbe cipher, a manual substitution cipher system that, as he demonstrates, is capable of taking texts in Latin ...

Auction Of Famed CIA Cipher Shaken After Archive Reveals Code By Victoria LAVELLE Nov 18, 2025, 8:37 pm EST Share ...

It is one of the world's most famous unsolved codes whose answer could sell for a fortune -- but two US friends say they have already found the secret hidden by "Kryptos." The S-shaped copper ...

It is one of the world's most famous unsolved codes whose answer could sell for a fortune—but two US friends say they have already found the secret hidden by "Kryptos." The S-shaped copper sculpture ...

VIRGINIA - It is one of the world's most famous unsolved codes whose answer could sell for a fortune -- but two US friends say they have already found the secret hidden by "Kryptos." The S-shaped ...

Washington (AFP) – It is one of the world's most famous unsolved codes whose answer could sell for a fortune -- but two US friends say they have already found the secret hidden by "Kryptos." The ...