Resources
Blog Article

#SSI201: Upgrading products with intelligent serial numbers and DIDs
Nov 25, 2019
The evolution of retail is also the evolution of identity—this article traces how today’s global supply chains rely on complex serial number systems, explores longstanding challenges like leakage and binding, and shows how decentralized identifiers (DIDs) and digital twins can power the next generation of intelligent, self-verifiable product identities for circular, on-demand commerce.

#SSI101: Attest, Identify, Authenticate, and Verify
Nov 10, 2019
Identity systems can be very abstract, heady things to grasp intuitively. One good trick for making glossaries more concrete and human-scaled is to avoid defining nouns and put the emphasis on verbs: who does what, and how, in each system?

#SSI101: Self-Sovereignty and Autonomy
Oct 27, 2019
In this post, we unpack the often-misunderstood concept of “sovereignty” in self-sovereign identity (SSI), clarify how it differs from related terms, and explain why it matters for both human and non-human identities in Spherity’s approach to digital trust.
Case studies
Digital Battery Passport for BESS Manufacturers
Jul 28, 2026
The case study covers Digital Battery Passport implementation for BESS manufacturers, including battery data, traceability, lifecycle performance, compliance, and end-of-life management.

Battery Circularity
Jul 28, 2026
Battery Circularity

Preparing Manufacturers for EU DPP Regulations | MEXT x Spherity Case Study
Dec 17, 2025
Learn how manufacturers can prepare for EU Digital Product Passport (DPP) and sustainability regulations. Watch the MEXT x Spherity case study on deploying DPPs in a digital factory.
Videos
Digital Product Passport Explainer Video Series
Learn what Digital Product Passports (DPPs) are, why they matter, and how EU regulations like ESPR and the Battery Regulation impact your business.
The Master Data Hub for DSCSA Compliance
Every drug in the US supply chain must be traceable under DSCSA. Yet, many companies still manage trading partner verification using disconnected spreadsheets and emails, leading to costly gaps during audits.
WE BUILD Consortium - How to set up a European Business Wallet.
The European Business Wallet is a core component for enabling secure, interoperable, and trustworthy digital identities for organizations across Europe. Spherity is part of the WE BUILD Consortium. Learn more about WE BUILD: https://www.webuildconsortium.eu
Podcasts
Product Passport Pioneers - #2 with Ilias Iakovidis, European Commission
Ilias Iakovidis from the European Commission discusses the digital product passport and its role in the new Battery and Ecodesign Regulations.
Product Passport Pioneers - #1 with Dr. Torsten Freund, Global Battery Alliance
Dr. Torsten Freund from the Global Battery Alliance discusses the development of the GBA Battery Passport for vehicle batteries and the challenges of creating a digital product passport to support a circular economy.
Webinars

Webinar Recording (1/4): eIDAS 2.0 – Regulatory Momentum for the EUDI Business Wallet
Webinar recording on eIDAS 2.0 covering regulatory developments, business cases, and use cases for EUDI Business Wallets. Webinar held in German.

Webinar Recording (2/4): eIDAS 2.0 – Technical Implementation and Security of the European Business Wallet
Watch the webinar recording by Spherity and PwC Germany on the technical implementation of the European Business Wallet under eIDAS 2.0. Explore partner onboarding, Security by Design, Zero Trust models, and flexible cloud/on-premise deployment options.

Webinar Recording (3/4): Know Your Customer (KYC) under eIDAS 2.0 – Driving Efficiencies with the EUDI Wallet
With the introduction of eIDAS 2.0, a new European identity ecosystem is emerging that will fundamentally transform core business processes such as identity verification. Together with PwC Germany, Spherity is exploring the path from new regulation, including AML requirements, to practical enterprise implementation in a four-part webcast series.





