The following IDO rules according to the project situation
1- The IDO pool will allow all guaranteed levels to be purchased first within the first hour, and will be open to non-guaranteed levels after one hour FCFS.
If all the quotas are taken away by the guaranteed allocation, then the pool will be closed early.
or
2 — Set different hard caps according to different project conditions, to ensure that the assigned level will get the highest hard cap.
or
3 — The order of opening of the pool is prioritized to ensure the allocation of highest level class, other classes will pass through the sequence FCFS