Is blockchain required for a digital product passport?

No. ESPR requires authentic, tamper evident and verifiable data. A qualified eIDAS timestamp carries the legal presumption; blockchain is a valuable but optional immutable audit layer.

What is a digital product passport with eIDAS timestamp?

A passport in which each data version is bound to a qualified electronic timestamp from a Qualified Trust Service Provider, giving a legal presumption of the time and of the data integrity under Article 41 of eIDAS.

Does a blockchain timestamp replace an eIDAS qualified timestamp?

No. Blockchain timestamps are not issued by a Qualified Trust Service Provider and carry no Article 41 presumption. The two coexist: eIDAS for legal validity, blockchain for immutability and auditability.

What is EU Regulation 2026/1778?

It is the Commission Implementing Regulation, in force since 6 August 2026, that defines how the EU DPP Registry operates: who can register, the eIDAS proof of identity, the automated structure and completeness checks, and the proof of registration document.

When does the EU DPP Registry become mandatory?

The registry went live on 20 July 2026 for users. Registration becomes mandatory per product category under each delegated act: batteries from 18 February 2027, textiles later with the ESPR delegated acts.

What are the harmonised standards EN 18216 to EN 18223?

Six EN standards published in the Official Journal by Implementing Decision 2026/1736 covering data exchange, unique identifiers, data carriers, storage and archiving, APIs, and interoperability for digital product passports. Conformity gives presumption of conformity with ESPR Articles 10 and 11.

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eu-regulations14. september 2026

What a Digital Product Passport with eIDAS Timestamp and Blockchain Really Needs

The EU does not require blockchain for a Digital Product Passport. It requires authentic, tamper evident, verifiable data. Here is how a qualified eIDAS timestamp and a blockchain anchor split that job, after Regulation 2026/1778 and the new harmonised standards.

DPP with eIDAS Timestamp and Blockchain: EU Guide 2026 | Hoken Pass | Hoken Pass