EDITOR'S NOTE: This story has been changed to clarify that the deal between Virtual Piggy and Discover Network enables Oink transactions in stores to take place over the Discover Network. It also clarifies that teens, but not younger children, are able to use Oink.

Virtual Piggy Inc. on Wednesday announced a deal with Discover Network enabling transactions at its teen-friendly Oink payment system to take place over the the credit card company's network.

The El Segundo start-up’s Oink system offers teens a more secure and credit card-free payment system to purchase items from e-commerce sites.

“Discover and Oink share common goals centered around financial transparency and youth financial literacy,” Jo Webber, the company’s chief executive, said in a statement. “This shared vision, coupled with the wide acceptance of the Discover network, makes this arrangement perfect for Discover and Oink.”