Battery
Battery Passport Technical Design (Article 78)
Article 77 says what the passport is; Article 78 says how it must work. A short article that dictates the entire architecture of a passport platform.
Blog
Security in DPP systems
Access rights, role-based authorisation, audit trails, data persistence and the cyber security of passport infrastructure.
All topicsESPR44Digital Product Passport41Export39Standards33Circularity28Textile28Verification25Integration24Supply Chain20Security19Battery18Retail & E-commerce15SME15Chemicals14Life Cycle Assessment12Recycling & EPR12Data Carriers11Electronics10GS1 Digital Link10Türkiye10Carbon Footprint9Cost & ROI9Market Surveillance9Automotive8CBAM8EU DPP Registry8GDPR8Repairability8Iron & Steel7CSRD / ESRS4Furniture4Packaging4Construction Products3Green Claims3Aluminium2Tyre2Toys1
Articles in this topic 19 articles
Battery
Battery Passport Technical Design (Article 78)
Article 77 says what the passport is; Article 78 says how it must work. A short article that dictates the entire architecture of a passport platform.
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.
Cost & ROI
DPP: Build or Buy?
Writing the first version is easy. Keeping it alive as the regulation changes is the expensive part.
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.
Verification
Verifiable Credentials for the Digital Product Passport
The technology that closes the gap between a declaration and proof. Signed supplier data makes audits far easier.
Standards
EN 18246: Data Authentication and Integrity
Who guarantees the data in a passport is genuine? This standard defines the signature and integrity layer.
Standards
EN 18221: Data Storage and Archiving
A passport can outlive your company. The persistence obligation is exactly about that.
Standards
EN 18216: Data Exchange Protocols
The standard that defines how passport data moves on the wire — the first text your integration team should read.
Battery
Battery State of Health and Dynamic Data
The battery passport is not static: usage data has to be updated for life. This is the hardest part of the architecture.
Chemicals
DPP for Chemicals: REACH, SVHC and SCIP
Hazardous substance declaration already exists. The passport makes the same data machine-readable and tiered.
Supply Chain
DPP Clauses for Supplier Contracts
Data left to goodwill does not arrive. Eight clauses to add to purchase contracts, and the reasoning behind each.
ESPR
What Is a DPP Service Provider?
Technical operation can be delegated; legal responsibility cannot. The limits of the service provider model and how to choose one.
Digital Product Passport
The Passport Lifecycle: Create, Update, Archive
Publishing the passport is not the end. Version management, update triggers and the archiving obligation.