3 posts out of 4 are plagiarism of popular Steem posts.
https://steemit.com/blockchain/@risman/supply-of-steem-decreasing
https://steemit.com/bitcoin/@risman/altcoin-markets-pushing-all-time-high-valuation-bitcoin-market-dominance-reducing-and-the-rise-of-steem
https://steemit.com/facebook/@risman/welcome-to-steemit-where-it-is-also-about-you-the-readers
Please monitor user 