Making money out of thin air, probably, isn't going to solve their problem, they need euros to pay their debts, not magic beans...
Plus, such currency is going to exclude a substantial percentage of the population, older people has difficulty, or cannot do it at all, to deal with new technologies.
Euro itself is also money out of thin air, now ECB is printing 60 billion per month without end in sight. The only difference is that the trust of Euro is higher than drachma due to euro zone is bigger (that is everyone's knowledge about fiat currency: If big country print money, it worth a lot, if small country print money, it worth a little
)