Implementing Blockchain transparency and data provenance

This record contains the presentation delivered by TRACEWINDU project partners at the TRACEWINDU Final Conference — "Traçabilité de l'industrie du vin grâce à un étiquetage intelligent, la spécificité du produit, l'aspect sanitaire et les aspects organoleptiques" — held in Pau, France, on 24 February 2026 (Day 2). TRACEWINDU — "Traceability at wine industry through integrated labelling of typicality, health protection effect and organoleptic attributes" — was funded by the European Union's Horizon 2020 Marie Skłodowska-Curie Research and Innovation Staff Exchange programme under Grant Agreement No. 101007979, coordinated by the Universitat Autònoma de Barcelona (UAB). Contents:[01] Implementing Blockchain Transparency and Data Provenance (WP4 — Final Meeting, Day 2) — TRACEWINDU WP4 team (presenter not named in the file; WP4 is led by UDG/DunavNET per the project's established role split — confirm before upload) — WP4 objectives (O4.1–O4.5) on data modelling, smart-tag/blockchain architecture, smart contracts and a privacy-preserving verifiable framework; blockchain component/architecture specification and QR-code + GS1 Digital Link technology selection; producer and consumer Product Passport interfaces; integration of UT2A's WP2 isotope/multi-element origin-verification results as blockchain-registered authenticity confirmations; consumer QR-code validation workflow; pilot outcomes at 13. Jul Plantaže (Vranac Pro Corde 2021, 11,000+ tags, 100% hash consistency) and alignment with the future EU Digital Product Passport (DPP) standard; screening of the "TraceWindu: From Soil to Scan" promotional video (Oral presentation) The presentation is deposited retaining individual authorship and file identity.