TruBlo · Project

Blockchain Tools That Verify Online Content and Fight Fake Information

digitalTestedTRL 5

Imagine you post a photo or news article online — how does anyone know it's real and not manipulated? TruBlo built blockchain-based tools that act like a digital notary, stamping content with proof of where it came from, who created it, and whether it's been tampered with. The project ran open calls inviting research teams and companies to develop and test solutions for verifying user-generated content on social media and IoT data. Think of it as giving every piece of online content a tamper-proof ID card that anyone can check.

By the numbers

EUR 6,055,000

EU research investment in blockchain trust technology

consortium partners across the project

countries involved (DE, EL, ES, IE, UK)

total deliverables produced

57%

industry partner ratio in the consortium

SMEs participating in the project

The business problem

What needed solving

Online platforms, marketplaces, and media companies face a growing crisis of trust: fake reviews, manipulated images, deepfake videos, and unverified user-generated content erode customer confidence and invite regulatory scrutiny. Traditional centralised moderation cannot keep up with the volume, and users increasingly distrust platform-controlled verification. Companies need tamper-proof, transparent systems that let anyone verify content authenticity without relying on a single authority.

The solution

What was built

The project delivered an experimental blockchain infrastructure (the TreBlo demonstrator) made available to third parties for testing, along with 19 deliverables covering trust and reputation models, proof-of-validity mechanisms, and proof-of-location tools for verifying user-generated content. The infrastructure supported open calls where external research teams built and tested their own solutions on top of it.

Audience

Who needs this

Online news platforms and fact-checking organisations fighting misinformationE-commerce marketplaces combating fake reviews and counterfeit listingsSocial media companies needing transparent content moderation toolsIoT platform operators requiring tamper-proof sensor data verificationContent licensing companies needing proof-of-origin for digital assets

Business applications

Who can put this to work

Media & Publishing

any

Target: Online news platforms and media verification services

If you are an online news platform dealing with the spread of manipulated images, deepfakes, and unverified user-submitted content — this project developed blockchain-based trust and reputation models that can verify content authenticity at the source. The experimental infrastructure tested by 7 partners across 5 countries provides proof-of-validity mechanisms that flag tampered content before it reaches your audience.

E-Commerce & Marketplaces

mid-size

Target: Online marketplace operators fighting fake reviews and listings

If you are an e-commerce platform struggling with fake product reviews, counterfeit listings, and fraudulent seller profiles — TruBlo developed decentralised reputation systems built on blockchain that make trust scores transparent and tamper-proof. With 3 SMEs and 4 industry partners involved in development, the solutions were designed with commercial scalability in mind.

IoT & Supply Chain

enterprise

Target: IoT platform providers and supply chain tracking companies

If you are an IoT platform provider dealing with questions about whether sensor data has been manipulated or spoofed — this project built proof-of-location and proof-of-validity mechanisms specifically for IoT-generated content. The EUR 6,055,000 research effort produced 19 deliverables including an experimental infrastructure demonstrator that third parties could test against.

Frequently asked

Quick answers

What would it cost to implement these blockchain verification tools?

The project was funded with EUR 6,055,000 as a Research and Innovation Action, meaning the tools are at experimental stage rather than commercial products. Licensing or integration costs would need to be negotiated directly with the consortium partners, particularly coordinator Worldline Iberia. Based on available project data, no commercial pricing has been published.

Can these solutions handle the volume of content on a real platform?

The project specifically aimed to create 'more scalable blockchain-based solutions.' However, the experimental infrastructure was built as a demonstrator for testing by third-party research teams, not as a production-ready system. Scaling to enterprise-level content volumes would likely require additional engineering work.

Who owns the intellectual property and can I license it?

As an EU-funded RIA project, IP typically stays with the partner that generated it. With 7 partners across 5 countries and 4 industry entities involved, IP may be distributed across multiple organisations. Contact the coordinator Worldline Iberia SA (Spain) for licensing discussions.

Does this comply with EU content moderation regulations?

The project's focus on content trustworthiness and verification aligns with the direction of EU regulations like the Digital Services Act. The blockchain-based transparency mechanisms could help platforms demonstrate compliance with content authenticity requirements. Based on available project data, specific regulatory certification was not mentioned.

How long would integration take?

The project ran from September 2020 to November 2023 and produced 19 deliverables including the experimental infrastructure. Integration timelines would depend on which specific components you need — the proof-of-validity tools vs. the reputation models vs. the full infrastructure. An initial pilot could likely be scoped in months, not years.

Can this work with our existing content management systems?

The experimental infrastructure was designed for third-party access and testing, which suggests some level of interoperability was built in. The project used decentralised architectures and peer-to-peer networking, so integration with centralised CMS platforms would require adapter development. Contact the consortium for technical specifications.

Consortium

Who built it

The TruBlo consortium of 7 partners across 5 countries (Germany, Greece, Spain, Ireland, UK) is heavily industry-oriented at 57%, with 4 industry partners including 3 SMEs. The coordinator is Worldline Iberia SA, part of the Worldline Group — a major European digital payments and transaction services company, which signals serious commercial intent behind the research. The mix of 1 research organisation and 2 other entities alongside the industry players suggests the project balanced scientific depth with business applicability. For a company looking to adopt these tools, Worldline's involvement as coordinator is a strong indicator that the technology was developed with real-world commercial integration in mind.

WORLDLINE IBERIA SACoordinator · ES
ATHENS TECHNOLOGY CENTER ANONYMI VIOMICHANIKI EMPORIKI KAI TECHNIKI ETAIREIA EFARMOGON YPSILIS TECHNOLOGIASparticipant · EL
DEUTSCHE WELLEparticipant · DE
CONSORCIO RED ALASTRIAparticipant · ES
F6S NETWORK IRELAND LIMITEDparticipant · IE
F6S NETWORK LIMITEDthirdparty · UK
EREVNITIKO PANEPISTIMIAKO INSTITOUTO SYSTIMATON EPIKOINONION KAI YPOLOGISTONparticipant · EL

How to reach the team

Worldline Iberia SA (Spain) — a major European digital services company. Reach out to their innovation or partnerships team.

Order a report on this consortium See WORLDLINE IBERIA SA profile →

Next steps

Talk to the team behind this work.

SciTransfer can arrange a direct introduction to the TruBlo consortium and help you evaluate which components fit your content verification needs. We handle the matchmaking so you skip months of cold outreach.

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