The European Union Agency for Cybersecurity (ENISA) published a new report on “Pseudonymisation Techniques and Best Practices”, which explores the basic notions of pseudonymisation, as well as technical solutions that can support implementation in practice.
https://www.enisa.europa.eu/news/enisa-news/enisa-proposes-best-practices-and-techniques-for-pseudonymisation
Report:
https://www.enisa.europa.eu/publications/pseudonymisation-techniques-and-best-practices
[protecting people by good design, solid security, efficient processes and trusted services]