A guest post is when you have an article posted on someone site where they give you a link back to your site or social media profile.
I don't remember saying it was it was the biggest bitcoin scam. I think I said one of. They got me for a some bitcoins and think they got a lot of other webmasters as well because I found others complaining of this!
What is a guest post?
I would also very much disagree that your story is that of the biggest bitcoin scam, as it is likely much closer to the smallest.