Despite its utility, virtualization is not perfect. Here are the most common failure points.
Because MultiKey is not an official commercial product, it is typically distributed via community forums or specialized driver repositories. Driver Signature Requirements
Inside were three items: a compiled daemon, a terse README, and a file called keyprofiles.json. The README read like it had been written by someone who expected engineers: minimal, direct, and brittle. The daemon listened on a loopback port, exposed an API to create and manage virtual USB endpoints, and claimed to support mass-emulation of HID and storage profiles. The keyprofiles.json contained dozens of templates — different vendor IDs, product IDs, and certificate blobs. It was exactly what Eli needed.