The research is undermined somewhat by the omission of Namecoin[1], launched back in 2013, still being developed [2] and ironically, listed on coingecko [3].<p>[1] <a href="https://www.namecoin.org/" rel="nofollow">https://www.namecoin.org/</a>
[2] <a href="https://github.com/namecoin" rel="nofollow">https://github.com/namecoin</a>
[3] <a href="https://www.coingecko.com/en/coins/namecoin" rel="nofollow">https://www.coingecko.com/en/coins/namecoin</a>