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.
However white spots are more noticeable if you have darker skin due to the obvious contrast between the darker skin and the white spots or patches. There are a number of causes for white patches on skin such as vitiligo, infections, autoimmune disorders, allergies, or damaged skin. There are also a number of remedies that can help you to reduce the appearance of these white spots, patches or dots. The medical name for white spots on skin is hypopigmentation.