Seeing the current scenario, which one of these can be the currency of future which will be acceptable worldwide?
There are other coins that are able to overtake the ETH, so neo do not consider one of such. Another competitor with its technology and good development, we all know the successes of the Chinese in any sphere of life. He is promising but not able to compete with ether and bitcoin.
Well, if you study the market carefully, you will understand that NEO has recently showed quite great progress in the past few months and has climbed up its way on coinmarketcap to the top 15 coins. NEO is better than ETH in every aspect.
It is technically more advanced, it has zero transaction fees, it is highly scalable and moreover NEO holders generate passive income in the form of GAS that is distributed to the NEO holders.