Abstract: This paper investigates the bounded filtering problem for two-dimensional (2-D) discrete systems with encryption-decryption mechanism (EDM) and dynamic event-triggered mechanism (ETM).

Abstract: This paper gives a comprehensive review of quantum cryptographic advances in the context of the most critical vulnerabilities that classical encryption schemes have in the era of quantum ...

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 ...

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