I am sure that the coin that will become the most promising in the world has not yet been created. In the current period of 2018, I am giving away the title of the most promising coin for EOS. In my portfolio 15% EOS.
This is more like an adage - the beautiful ones are not yet born. Well do not wait until you see an angelic coin fall from above. The ones presently at your disposal, make use of them. There are so many of them that can bring you great fortune.