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Thank you for your suggestion. I included Steem on my list. I was under the impression that as I am publishing this list on Steemit so most of the people must be knowing about Steem and Steem Dollar. But you are right, I should have included this in my list. Many people who don't have Steemit account also read these articles. I will keep Steem in top 20. But its growing at very high speed and I guess it may surpass many other well established cryptocurrencies.

Ok good work upvoted!