Blockchain-Enabled Central Bank Digital Currency: Technological Architecture, Privacy, and Institutional Design
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Implication
Analytical framework develops CBDC design and architecture, highlighting privacy and institutional implications.
Key Points
This work aims to establish a framework for designing central bank digital currency (CBDC) and its ledger architecture.
Developed an analytical framework treating digital monetary systems as a tuple including supply state, rule set, circulation parameters, and incentive structure.
Introduced two propositions extending the framework related to holdings and rule-update dynamics without claiming empirical validation.
Conducted comparative analysis of institutional environments affecting CBDC architecture in different regions.
Proposition A defines a threshold beyond which the retail holding cap is no longer binding according to established economic theories.
Proposition B provides a mean-square convergence rate for the rule-update under policy shocks, contributing to the understanding of stabilization mechanisms.
Identified variances in institutional conditions across Singapore, the EU, the US, and China impacting CBDC design choices.