You have to add to this list this review:)

http://ruth.news/190-coti-review

"COTI wins in the comparison to the actual possible payment methods, including card transactions and cryptocurrencies payments. Below, you can see the picture comparing COTI with the card networks like VISA or Mastercard, Cryptocurrencies based on Blockchain 1.0 and 2.0 (PoW) and DAG currencies like IOTA and NANO. (...)

After this tab, I am not surprised why COTI collected 3 million USD within 27 hours of its crowdsale, especially if we look at worldwide consumer payment transactions statics exceeding $50 trillion annually. I guess there is enough space for another player".