Eth online.io is also similar to the btconline.io mining site
Its not a scam site good site
People have problems to withdraw from btconline.io because they have low ipv
Ipv meaning : instant payout rate
So you invite users on both sites eth online or btc online to get withdraw fast or instantly
When ur referral upgrade their account your ipv will also increase if u buy there professional plan so you can withdraw instantly or also buy other plans on eth online to get fast withdraw or invite user
Thanks for reading...