Device connectivity startup BlueCava has raised $1.5 million in funding for technology that can identify internet-connected devices. The technology was, according to TechCrunch, invented about 15 years ago by Ric Richardson, who has a patent for the tech. BlueCava’s investors include Mark Cuban and Tim Headington, and its advisory board includes Facebook’s Joe Sullivan and MasterCard’s Ellen Moskowitz.

Internet billionaire Mark Cuban is one of several angel investors that have put money in BlueCava. BlueCava is a company whose plans is to develop unique IDs for computers, mobile devices, and many other devices. BlueCava aims to have these unique IDs replace cookies. This way users can be tracked using these IDs. From an Internet user stand-point, consumers would have the opportunity to opt out of certain ways from being tracked. This round of funding was $5 million.