In its original form encryption was first used by the ancient Egyptians, Mayans, then the Greeks and Romans in wartime and politics. They used it as a security practice to encode messages that can deceive the enemy.
Small, white bumps that are present on the skin may be keratosis pilaris, otherwise known as keratin spots, which is caused by keratin accumulating underneath the skin, as reported by WebMD. Keratosis pilaris is a harmless skin condition, and the bumps can appear basically anywhere on the body like on the thighs, facial regions, buttocks and arms.
Crusty small skin bumps (symptom description): Crusty small skin bumps is listed as a type of or related-symptom for symptom Blisters. Crusty small skin bumps (symptom description): For a medical symptom description of 'Crusty small skin bumps', the following symptom information may be relevant to the symptoms: Blisters (type of symptom). However, note that other causes of the symptom 'Crusty small skin bumps' may be possible.