Battery
Access Roles and Tiers in the Battery Passport
The battery passport is not one page but three views. The implementing act defining "legitimate interest" is expected at the end of 2026; design role-based access today.
Blog
Security & Governance
Access rights, digital signatures, trade-secret protection, audit trails and persistence.
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Articles in this topic 12 articles
Battery
Access Roles and Tiers in the Battery Passport
The battery passport is not one page but three views. The implementing act defining "legitimate interest" is expected at the end of 2026; design role-based access today.
Market Surveillance
Product Recalls and the Digital Product Passport
Recall cost is proportional to scope. Traceability is the only way to narrow it.
Verification
DPP Verification, Trust and Digital Signatures
A passport is only valuable if it is trustworthy. We explain the digital-signature and versioning mechanisms that prove data was not tampered with.
Verification
Fighting Counterfeits With a Digital Product Passport
A QR can be copied. But a copied identity that cannot be verified is what makes counterfeiting visible.
Security
Protecting Trade Secrets While Being Transparent
Transparency is not showing everything. It is answering the right question at the right depth.
Security
Cyber Security for DPP Systems
A passport is a public surface by design. Shrinking the attack surface has to be part of that design.
Security
Audit Trails and Versioning in a DPP
A system that cannot answer "what did you declare last year?" is incomplete for audit purposes.
Security
Data Persistence and Backup Providers
Companies close, platforms change, domains lapse. The passport still has to be there.
Security
DPP Access Rights: Who Sees What?
The most misunderstood aspect of a passport. Tiered access is what makes transparency compatible with trade secrets.
Verification
eIDAS, E-Seals and Signing a DPP
Companies do not sign — they seal. In EU law, the right instrument for a passport is an electronic seal.
Standards
Restricted Data Tiers and Authorised Access (EN 18239)
Not every piece of data must be public. Restricted tiers and authorised access strike the balance between transparency and trade secrets.
GDPR
GDPR/KVKK and DPP Data Management
The passport is public; but what about trade secrets and personal data? We explain how to keep the DPP compliant with GDPR/KVKK.