The Buzz word E-commerce has revolutionized the way the business and money transactions used to work in the past. It is the latest impact of software arena in the field of banking, business and purchasing. The term also refers to online stock and bond transactions and buying and downloading software without ever going near a store. In addition, e-commerce includes business-to-business connections that make purchasing easier for big corporations. This paper mainly concentrates on technology revolution behind the transaction of money over the net. There are still doubts and questions from business and corporate users on the safety aspects of e-commerce. The software and web technology has innovated many encryptions and secure software layering and protocols techniques which tries to make the e-commerce transactions safer. The concept behind these techniques along-with the technical aspect of e-commerce and how it can be implemented in bank for money transaction is discussed in this paper. Further it deals with safety and security issues related to e-commerce implementation in banks and business transactions.