@InProceedings{saramago_et_al:LIPIcs.OPODIS.2022.9, author = {Saramago, Rodrigo Q. and Meling, Hein and Jehl, Leander N.}, title = {{A Privacy-Preserving and Transparent Certification System for Digital Credentials}}, booktitle = {26th International Conference on Principles of Distributed Systems (OPODIS 2022)}, pages = {9:1--9:24}, series = {Leibniz International Proceedings in Informatics (LIPIcs)}, ISBN = {978-3-95977-265-5}, ISSN = {1868-8969}, year = {2023}, volume = {253}, editor = {Hillel, Eshcar and Palmieri, Roberto and Rivi\`{e}re, Etienne}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.OPODIS.2022.9}, URN = {urn:nbn:de:0030-drops-176294}, doi = {10.4230/LIPIcs.OPODIS.2022.9}, annote = {Keywords: verifiable credentials, privacy-preserving, zero-knowledge, blockchain} }