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The regulations outlined by the European Commission for the Good Distribution Practice of medicinal products for human use (GDP 2013/C 343/01) were published on November 5, 2013. Chapter nine of this regulation requires proof that shipped medicines have not been exposed to conditions, particularly temperatures, that may compromise their quality. These regulations are now enforceable across Europe. offers a passive monitoring solution, ensuring GDP compliance and auditability by using blockchain and IoT technology. modum’s tested solution offers a significant cost savings over the active-cooling methods currently used.  An additional benefit provided, through the use of cutting-edge technology, is that valuable data can be created to drive continuous improvement in supply-chain logistics.


The modum sensors record environmental conditions while in transit. When goods change ownership, the sensor data is verified against predetermined conditions in a smart contract in the blockchain. The contract validates that the conditions meet all of the requirements set out by the sender, their clients, or a regulator and triggers various actions: notifications to sender and receiver, payment, or release of goods.


Using the data collected by modum’s services, the opportunities for improving the supply chain in any sector in terms of efficiency, cost reduction, environmental impact, customer service, and regulatory compliance are limitless.


1. Smart contracts

Smart contracts are a verified set of parameters that are publicly accessible on the blockchain. Instructions within the smart contract can prompt actions within a supply chain. Currently, our clientele in pharma use our smart contracts to store temperature thresholds for their product in transit. If temperatures are recorded outside of these thresholds, a notification is sent to the sender and receiver.

2. IoT sensor devices

modum’s sensors are fully programmable devices that allow a range of environmental factors to be measured. Sensor devices are easily activated and connected to a shipment and can be programmed in advance. So far, modum’s sensors have measured over 500,000 data points for pharma pilot customers.

3. Smart phone application

modum’s application allows an easy integration of our solution into regular logistics operations. By scanning the sensor’s QR code and the package’s tracking number, the sensor can be easily connected to a parcel with alarm criteria set remotely. The application also allows the receiver (end user or logistics provider) to retrieve the data and receive the subsequent notifications without opening the package.

4. Dashboard

The dashboard provides back-end analytics for all shipments carried out using modum’s solution. It allows quality assurance teams to pre-configure settings for specific products. Additionally, the dashboard enables filtering and bulk analysis of shipments and can automate further actions such as notifications, product return, or reshipment in case of deviations.


The modum system can be easily integrated into existing logistics processes: in advance of shipping, quality assurance managers set the approved temperature ranges for each product. This initial step can be done remotely, using the dashboard.


In the warehouse, a unique shipping ID for each parcel is paired with a modum temperature logger. The combined temperature range for the shipment, shipping ID and sensor ID are used to create a smart contract for each shipment, which contains the required temperature thresholds.


During shipment, the sensor tracks the temperatures. When the shipment changes ownership the data can be readout using Bluetooth, enabling a compliance check without opening the parcel.