Sort:  

the binary is actually the pastebin logo.
The letters combination leads to a pastebin:
https://pastebin.com/IHJYN0CN

the O was a 0(zero)

Now onto wth is: U3RlZW1mZXN0MnJvY2tzIQ==

its base64 encoding
echo U3RlZW1mZXN0MnJvY2tzIQ== | base64 --decode

Steemfest2rocks!

i guess you won? @timsaid ?

that would be great :)

I love that kind of riddles, and found these by random.

haha. you kinda came at the end and swept the prize :):)

From now on i'm following, in the hope there come more crypto challenges.

There will definitely be more!

yes. she won

binary code is missing 2 numbers (need pairs of 8). Looking at the way they are positioned I'd say it's a 01 but that translates into a smiley with a unrecognized character ...

The letters are gibberish so far so there is something missing. Might need to check the image for metadata but that might be too far.

I was wrong with this comment