Is this like a new alternate currency for Greece

NO:
Answer: DT is about tokenisation of assets such as the communication infrastructure in places that have no mobile network coverage, internet or financial services.
Why do you think 2 billion people do not have banking? (they don't have infrastructure to have such access)
Advances in information technology now make it possible for non-government entities, or governments themselves, to establish and run a national, parallel, paperless monetary system, Viability of Blockchain for E-Governance and Smart Cities. The workings of such a system is described and discussed. Such systems may ameliorate the dire state of affairs in the hardest hit economic zone adjacent to the Eurozone, the EX USSR or Russian Federation.
Can Blockchain provide not just technical innovation by funding innovation meaning member states can privatise assets and national infrastructure opposed to IMF, World Bank EU Loans.