Design principle DP1: Blockchain for trustworthy multi-party verification
Use blockchain to enable trustworthy and transparent user-credential verification with legitimate documents among multiple parties, since immutable entries and multi-party participation ensure only authentic certificates are stored.
Source paper
This design principle is proposed by Designing GDPR Compliant Credential Verification Using Blockchain: A Design Science Research Approach (Janne Parkkila, AKM Bahalul Haque, Jaakko Vuolasto, Anastasiia Gurzhii, Sami Hyrynsalmi, Najmul Islam, 2024).