PPTP is the reference cryptocurrency forked from WAVI on 2018/4/1. (WAVI forum: https://bitcointalk.org/index.php?topic=3146751) (WAVI website: https://wavidev-the-man.github.io/wavi/) Easy to see change points to fork WAVI. YescryptR16v2 algorithm is for home CPUs. No ASIC exists in the world. In the future, MEGA WASTE of electricity by ASICs may be restricted by United Nations Security Council. PPTP will be the reference coin when such situation.