Ключевые слова: above, blackboard, blue, business, businessman, cartoon, chalk, chalkboard, coffee, concept, crypto, cup, database, desk, diagram, drawing, encode, encrypt, encrypted, encryption, green, guard, hand, hand writing, icon, illustration, letter, lock, man, note, office, person, plant, privacy, protect, protection, safe, safeguard, safety, secure, secured, security, sketch, table, text, working, workspace, writing,