On bankunderground, Simon Scorer reminds us that a central bank issued digital currency (CBDC) need not operate on a distributed ledger platform. The two do not have much to do with each other.
Scorer suggests a series of technical requirements for a CBDC:
And he concludes that a distributed ledger does not meet all requirements.
It’s unlikely that all of the above attributes could be perfectly met with today’s technology; you may need to make compromises between features – e.g. the trade-off between resilience and privacy …
CBDC is far from just a simple question of technology; any central bank contemplating CBDC will need to answer a host of fundamental economic questions, as well as considering how feasible it is to achieve all the required features and what type of technology might enable this.