Category Nuances for cryptography:

• military,
• current,
• technical,
• mathematical,
• heavy,
• related,
• advanced,
• exciting,
• complex,
• preventive,
• intellectual,
• non-technical,
• scientific,
• quiet,

Simple Categories for cryptography:

• measure,
• subject,
• arts,
• topic,
• issue,
• use,
• domain,
• discipline,
• work,
• job,