I heard that the ISO is prohibited in China .. Can the Chinese participate in yours?
At the moment you can buy RPX very cheap at
https://www.kucoin.com/#/?r=E3_vmPRegistration is easy, no document uploads required, 2 step verification with GAuth from google or
https://gauth.apps.gbraad.nl is needed.
When Red Pulse is available at better known exchanges the price will go up fast.