For people interested in payments with electronic money and other financial services on the Internet, the most pressing task is to improve their own literacy, master the skills and abilities to use new information technologies, and know the safety rules when making transactions on the Internet. This publication pays attention to a wide range of issues in the field of electronic money payments - a classification of existing payment systems based on electronic money is presented, their descriptions and a brief history of their formation, operating parameters are given, expert assessments of the current state and prospects are expressed, many other important issues are considered, in including the legal basis for the functioning of many of the systems. This book will be interesting and useful to a wide range of readers, practitioners, experts, consultants, university teachers, graduate students, students and researchers in the field of payment technologies, as well as employees of banks and other financial organizations, those wishing to remain at the forefront of progress.