[throwaway2048]

Adding to this, the website of the conference says

"exclusive environment of confidentiality and contacts with the highest government officials and engineers"

https://nkcryptocon.com/

Somehow I doubt the aspirations of this conference were to liberate the North Korean people.

With respect to internet restrictions in North Korea

"Whereas the real Internet is reserved for a select and trusted few, everyone else in North Korea gets access to a national, walled-off intranet, a "pseudo Internet," available for public use called Kwangmyong. "

https://money.cnn.com/2014/12/22/technology/security/north-k...

There is no chance this conference was anything except a tool for the leadership to exploit cryptocoin.