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Carolina Skarupa
Product Carbon Footprint Analyst
The traceability of hazardous waste has become one of the central pillars of European environmental policy.
Between 2025 and 2030, transparency, control and reporting requirements will become 70% stricter in industries such as chemicals, automotive, logistics and waste management.
This regulatory leap cannot be sustained through traditional models based on spreadsheets, isolated documents and disconnected platforms. For this reason, blockchain is emerging as the most robust technology to guarantee integrity, security and seamless regulatory compliance.
In this article, we explore how blockchain is transforming the traceability of hazardous waste with a practical, business-oriented approach for companies aiming to anticipate audits and build a solid competitive advantage.
Traditional traceability systems are no longer adequate for today’s regulatory context. Document management based on PDFs, manual records and non-interoperable platforms leads to structural errors. In fact, 62% of non-conformities found during audits result from incomplete or altered records—not from incorrect operations.
The most common issues include unintentional data manipulation, discrepancies between producer and waste manager, loss of critical documents during transportation and a complete lack of visibility once the waste enters the treatment process. These failures increase regulatory risk, create internal friction and damage trust with clients and auditors.
Blockchain eliminates this fragility by recording every milestone of the waste lifecycle in an immutable format accessible to all authorised stakeholders.
Blockchain introduces three pillars that traditional systems cannot guarantee: immutability, multi-agent synchronisation and automatic verification. Every movement of hazardous waste is recorded in a distributed ledger that cannot be modified, altered or deleted. The entire value chain consults the same information at all times, reducing disputes and errors.
The main advantage is transparency: the technology allows companies to prove with absolute certainty who generated the waste, who collected it, under which conditions it was transported and how it was treated or recovered.
Comparative studies in the chemical sector show that blockchain-based systems reduce document fraud by 95% and cut administrative processing times by up to 75%. Additionally, the distributed architecture directly supports CSRD requirements and future Digital Product Passports, facilitating corporate environmental reporting.
The process is simple yet extremely robust. Everything starts when the waste producer registers the waste with its technical characteristics: EWC code, hazardous properties, quantity, container and date. From that moment, a unique identifier is generated and follows the waste throughout its operational lifecycle.
When the transporter collects the container, they digitally sign the operation and validate the recorded information. Every movement is sealed with a timestamp, geolocation and metrological parameters such as weight, humidity or temperature if IoT sensors are installed.
When the waste reaches the treatment facility, the platform records its entry, the process applied and finally issues an immutable treatment certificate. The entire cycle is available for inspections or audits without the need to compile additional documentation.
Successful blockchain adoption follows a strategic process:
The difference between blockchain and traditional methodologies is not incremental—it is structural. Conventional systems allow document modification, record editing or file loss during the transport and treatment cycle. Blockchain, on the other hand, guarantees that no entry can be altered without leaving a trace, reducing human error, minimising conflicts between stakeholders and strengthening the company’s position during inspections or certification audits.
While traditional processes require days to consolidate dispersed information, a blockchain-based system can generate a complete waste history in seconds. Transparency eliminates the need for manual reconciliation and significantly reduces administrative time.
The future of traceability combines blockchain with IoT, artificial intelligence and digital twins.
This technological convergence creates a hyper-connected value chain that reduces costs, decreases risks and improves circularity.
To learn more about the role of AI in sustainability, you can read our article: AI in Scope 3 Calculation: How to Overcome the Supplier Data Barrier.
Companies adopting blockchain for hazardous waste management do so not only for compliance, but to improve overall performance.
Blockchain is unquestionably the most advanced architecture for guaranteeing real traceability in hazardous waste. Its ability to generate immutable records, synchronise stakeholders and automate compliance will make it the key technology in waste management between 2025 and 2030. Companies adopting it today will not only avoid risks but also build a strong competitive advantage based on transparency, circularity and environmental governance.
If you want to learn more about adopting a sustainability strategy for your company, take a look at our articles on the 7 Best Software Tools to Measure Carbon Footprint and How to Communicate Your Decarbonisation Strategy and Avoid Greenwashing.
No, it is not mandatory, but it will become an operational standard in environmental audits within the next five years. Countries such as France are already piloting national blockchain platforms for special waste.
Chemical, pharmaceutical, metallurgical, energy and waste management industries, logistics operators and any company with a high volume of hazardous waste.
Yes. Current systems support API integrations to automatically export official documentation.
In medium-sized companies, payback is achieved in less than 12 months due to reduced administrative effort and regulatory risk.
Hybrid systems allow blockchain to coexist with traditional digital records without losing integrity in the overall registry.
Carolina Skarupa
Product Carbon Footprint Analyst
About the author
Graduated in Industrial Engineering and Management from the Karlsruhe Institute of Technology, with a master’s degree in Environmental Management and Conservation from the University of Cádiz. I'm a Product Carbon Footprint Analyst at Manglai, advising clients on measuring their carbon footprint. I specialize in developing programs aimed at the Sustainable Development Goals for companies. My commitment to environmental preservation is key to the implementation of action plans within the corporate sector.
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