When I visit steemd.com, I found that every user have different avatar on that site.
So I try to find out how it's work, and eventually got it.
@abit
@abit is one of the big whales.
First, let's give him a close-up!
A little evil,right?
How to check your avatar?
To check your avatar is very easy, just change oflyhigh to your steemit ID.
https://robohash.org/oflyhigh.png?size=256x256
The avatar of active authors under the CN category
So include your avatar in every post you made, let every one remember you.
And you can go Robohash.org to find more details.
Enjoy It.