Blockchain and IoT: Turning Connected Data into Trusted Business Value

The business case for connected technologies is no longer simply about collecting more data. IoT can give organisations a real-time view of machines, products, assets and operating conditions. The harder question is whether that data can be trusted and shared across the multiple organisations involved in creating value.

This is where the combination of IoT and blockchain becomes strategically interesting. IoT can create a continuous stream of operational data, while blockchain can provide a shared and tamper-evident record of selected events. Together, they can shift digital ecosystems from being information-rich to being more transparent, traceable and accountable.

The value of IoT depends on what organisations do with its data

IoT in business can generate information at a scale and frequency that traditional processes cannot match. Sensors can monitor equipment performance, location, temperature, energy consumption or inventory conditions in near real time.

But more data does not automatically translate into better decisions. Research on IoT adoption points to interoperability, cybersecurity and the ability to integrate connected technologies into existing processes as important conditions for capturing value. McKinsey estimates that IoT could generate trillions of dollars in economic value globally by 2030, but capturing that value requires organisations to move beyond deployment and redesign processes around the information being generated.

Blockchain can address the trust gap between connected organisations

In a digital ecosystem, organisations often maintain separate databases, making data sharing and reconciliation more complex than it needs to be. Blockchain in business offers another approach by creating a shared record of selected transactions or events that authorised participants can verify. When paired with IoT, sensor data such as temperature, location or equipment status can be linked to this record.

For e.g., in temperature-sensitive supply chains, IoT sensors monitor conditions during transit, while blockchain records the data. This creates greater transparency, traceability and accountability across the network.

From blockchain use cases for business to measurable value

Blockchain is most useful when businesses need trusted records across multiple parties. Its applications include supply chains, manufacturing, healthcare, energy and financial services, improving traceability and auditability. However, organisations should first identify business problems involving transparency, reconciliation or traceability rather than adopting the technology for its own sake.

Blockchain also has its limitations. It cannot make inaccurate IoT data reliable. A faulty sensor can still record incorrect information, even if that data is stored on an immutable ledger. Device authentication, interoperability, scalability and data governance therefore remain critical considerations for successful implementation.

The strategic question is not whether to connect, but what to trust

For leaders pursuing digital business transformation, the bigger question is how connected data can improve coordination and decision-making. IoT brings greater visibility into physical operations, while blockchain can create more reliable records across business networks. Used together, they can reduce uncertainty, but only when supported by strong governance, accurate data and well-designed processes. The real shift is not simply collecting more data. It is building confidence in the information used to make business decisions. The Digital Business Transformation with AI programme explores how emerging technologies can support strategy, operating models and better decisions.

FAQs

• How can IoT and blockchain work together?

IoT collects real-time data, while blockchain creates a shared and traceable record of selected events.

• What are some blockchain use cases for business?

Supply chain tracking, product provenance, manufacturing, healthcare, energy and financial services.

• Does blockchain make IoT data automatically trustworthy?

No. Blockchain protects recorded data, but the accuracy of the original IoT data still needs to be verified.

• Why are IoT and blockchain relevant to digital business transformation?

They can improve data visibility, traceability and trust across connected business ecosystems.

References:

1. https://www.ibm.com/topics/blockchain-iot

2. https://www3.weforum.org/docs/WEF_Building_Value_with_Blockchain.pdf

3. https://www.iso.org/standard/53296.html

4. https://www.sciencedirect.com/science/article/abs/pii/S0141933122001697

5. https://www2.deloitte.com/content/dam/Deloitte/us/Documents/technology/Blockchain_and_IoT_for_Wastewater_Management_POV_121520_Digital.pdf

6. https://www.nist.gov/publications/considerations-managing-internet-things-iot-cybersecurity-and-privacy-risks

7. https://www.weforum.org/stories/2020/04/blockchain-development-toolkit-implementation-supply-chains-in-a-post-covid-world/

8. https://www.bis.org/publications/what-distributed-ledger-technology

9. https://www.oecd.org/daf/blockchain/

10. https://digital-strategy.ec.europa.eu/en/policies/blockchain-strategy