First central bank of credit unions appeared in 1876. Credit unions began to appear rapidly in many European countries. National Credit Union Insurance Fund was created by Congress in 1970 to insure deposits of credit union members in the amount of 100 thousand dollars. Membership in the credit union forms responsible citizens and conscientious attitude to their obligations as a norm of behavior, identify the value of a decent man's reputation in the business turnover. Credit unions of the open type are still controlled by their members, but at the same time provide services to people who are not its members (external customers).