 The result was widely criticised because the digital certificate system, central to the project, locked out all other browsers except Microsoft's own Internet Explorer.The e-Envoy responded by explaining that the priority was to make it available to as many people as possible as quickly as possible, and that the only part of the system that was limited was the ability for citizens and businesses to enrol for services.But, "Once enrolled, they can submit transactions from any operating system, since XML - the language used - is totally platform independent."