1. plural of cryptography; the practice or study of writing and solving codes and ciphers to keep information secret
Usage: countable plural form; often used in technical, academic, or security contexts
2. multiple systems or methods of encryption used to protect data and communications
Usage: technical usage

Examples

• Modern cryptographies rely on complex mathematical algorithms to secure online transactions.
• The military studied various cryptographies to protect classified communications during wartime.
• Different cryptographies are used to safeguard banking information and personal data.
• Computer scientists develop new cryptographies to stay ahead of potential hackers.
• Historical cryptographies like the Caesar cipher are now considered weak by modern standards.
• The course covers multiple cryptographies used in cybersecurity and information protection.