do you never ask yourself how did the mining hashing stop, this buiishit it was unprofitable wont wash no matter who you mined with that amount of hashing power was still profitable.
ion is proof of stake. There is no mining.
For technical details, you can read the white paper here:
https://ionomy.com/about/whitepaperChat to the Official Team and Fans of the ION games:
https://slack.ionomy.com