What does this research mean for the field?

The proposed framework for digital traceability in the critical raw materials supply chain enhances transparency, accountability, and sustainability through secure data management and the implementation of a Digital Product Passport. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The aim is to create a framework for enhancing transparency and accountability in critical raw materials supply chains.

February 22, 2026Open Access

MaDiTraCe: D3.2 Reference architecture Model

Key Points

The aim is to create a framework for enhancing transparency and accountability in critical raw materials supply chains.
Outlines the implementation of a Digital Product Passport (DPP)
Utilizes blockchain and distributed ledger technologies (DLTs)
Incorporates Life Cycle Assessment (LCA) for compliance
Focuses on CRM certification and environmental compliance
Employs the P.A.S.T.A. methodology for risk assessment
Provides a unified Digital Materials Passport Data Model
Enhances secure and verifiable data management throughout the supply chain
Supports meeting regulatory and industry standards

Abstract

This document establishes a comprehensive framework for digital traceability in the critical raw materials (CRM) supply chain, focusing on secure, verifiable data management to ensure transparency, accountability, and sustainability. It outlines the implementation of a Digital Product Passport (DPP), leveraging blockchain, distributed ledger technologies (DLTs), and Life Cycle Assessment (LCA) to meet regulatory and industry standards. Key topics include CRM certification, environmental compliance, material fingerprinting, risk assessment using the P.A.S.T.A. methodology, and the creation of a unified Digital Materials Passport Data Model.

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Institutions

Leiden University

Centre Scientifique et Technique du Bâtiment

United Negro College Fund

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