Answer: Sting
Explanation: A CD of the musical album "Ten Summoner's Tales" by English rock musician Sting was the first online transaction to be made. The purchase was made on an online website called NetMarket on August 11, 1994. Dan Kohn, the creator of the website, had sold the CD to his friend in Philadelphia. He charged $12.48, with additional costs for shipping and handling. In order for a purchase to be made on NetMarket, the user had to use Unix software and Mosaic, a web browser that was made a year prior, in 1993. Transactions used a type of encryption known as PGP or Pretty Good Privacy.