CC BY-SA 4.0Johnson Jeyakumar, Isaac HendersonIsaac HendersonJohnson JeyakumarKubach, MichaelMichaelKubach2025-06-102025-06-102025https://doi.org/10.24406/publica-4748https://publica.fraunhofer.de/handle/publica/48843310.18420/oid2025_1410.24406/publica-4748As industrial supply chains become increasingly complex, establishing digital trust and transparency is crucial for efficient operations. This paper introduces FidNET, a flexible infrastructure leveraging blockchain technology to enhance trustworthiness and transparency within supply chain networks. By utilizing blockchain's immutable and decentralized ledger, FidNET provides a secure platform for verifying transactions and ensuring the integrity of data shared among stakeholders. A concept and architecture are discussed, showing how blockchain technology can be effectively implemented to build digital trust and improve transparency in industrial supply chains.enblockchainDLTdigital identitydigital trustindustrial supply chainsovereigntyFidNET - Flexible Infrastructure for Decentralized Trust Establishment in Industrial Supply Chain Networksconference paper