@zer0hedge is not claiming credit for the content so it's not plagiarism by definition. It's also giving proper credit by linking to sources on the first line and also having a disclaimer.

I've an agreement with the person running @ze0hedge.

The purpose of the agreement is to:
A. Contribute to Steem what I believe is some of the most important and valuable content on the internet.
B. Reward people that contribute interesting comments to the subjects.

I usually up-vote all blockchain investigative work but will abstain since your accusation of ; fraud, id theft, plagiarism, ect. are not substantiated.