By applying a structural demand model to unique consumer-level survey data from the euro area, we assess how different CBDC design options, combined with individual (revealed) preferences, influence the potential demand for a digital euro. Estimating the demand for a digital euro, we find that if it were unconstrained, it could range, in steady state, between 3-28% of household liquid assets or €0.12 - €1.11 trillion, depending on whether consumers would perceive the digital euro to be more cash-like or deposit-like. With an illustrative €3,000 holding limit per person, it could instead range between 2-9% or €0.10 -€0.38 trillion. Privacy, automatic funding, and instant settlement raise its potential demand.
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