We have a universal coin, Its called Bitcoin
but that attempt failedyes., people here consider it a success merely based on its price vs USD.
however as an actual useable currency its a fail.
hell even look at its homepage the benefits listed simply are not true.
As an actual useable currency it is in progress.
actually its getting worse
one of the focus' of satoshi's white paper was that the big banks fee's hinders micro transactions and btc was developed to overcome this
