Details
I decided to go with a simple and recognisable design as for a currency i think it is the most important point, also this way it insure that there's no visibility problem at smaller size. For the color choice i picked a high contrasted one that suit the overall context.
Tools
Adobe illustrator
Original files
All format requested can be downlaod here and are ready to use
Posted on Utopian.io - Rewarding Open Source Contributors