The "Computers are optical now, right?" is key. This is someone who was around before and has been away for a number of years, and apparently doesn't have an 'outside' presence. This would rule out things like new AIs, or dragons that just woke up (unless they woke up in modern times and then went back to sleep)
I'm going to have to nominate Alice, because she's the only one that I would think would fit that and have the skills to hack JackPoint - we are talking FastJack, after all...