Design principle DP1: Confidential storage with proof of integrity
Store the sensitive data in a manipulation-resistant storage exclusively with the information provider and instantly create a manipulation-resistant proof of integrity for the information recipient, so that neither manipulation nor leakage occurs.
Source paper
This design principle is proposed by And No One Gets the Short End of the Stick: A Blockchain-Based Approach to Solving the Two-Sided Opportunism Problem in Interorganizational Information Sharing (Lukas Florian Bossler, Arne Buchwald, Kai Spohrer, 2025).