[Riddick may or may not know, depending on what Armin himself has shared and what's been on the network about it. He's a minimalist when it comes to interfaces, though. As soon as their palms touch, the connections flickers to life, only just banded wide enough for a single file transfer. If and when Armin accepts it, the connection flickers out again.]

Let me know if you come up with anything useful from that, just in case it's something more useful than I did.