// definition
Pseudonymisation
Identity separation with a retained re-linking key
fraisrevu il y a 0 j
Short definition
Processing that replaces or separates direct identity while retaining additional information that can reconnect the data to a person. Under the GDPR, pseudonymised data remain personal data.
risk atlas
Knowledge map
Intuition
Pseudonymisation removes the direct name from one domain. Its protection depends on keeping the re-linking information separate and controlled.
Why it matters now
The online digital euro design relies on pseudonymised accounts and transactions, so persistent identifiers and access to the re-linking key determine the practical privacy boundary.
Related analyses
- Digital euro, 3/6: as private as cash?Identities, aliases, fraud scoring and the offline privacy boundary.
Related guides
- Reading a CBDC parameter by parameterIssuer, ledger, access, holding limits and privacy.
Primary sources
- ECB digital euro privacyPrivacy objectives for online and offline use.
- Council negotiating mandateLegal separation of identity and central transaction data.