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Blockchain Becomes a Crucial Link in the Supply Chain

Part 1 of our 5-part series on Technologies Disrupting the Supply Chain

Blockchain in the Supply Chain

Since exhibiting at the Cargo Logistics Canada Expo and Conference in Vancouver, BC, earlier this year, we thought this would be a good time to take a closer look at some of the issues being faced by the logistics industry in 2018 and the emerging technologies that will help address them. 

Why is Blockchain in the News?

From Infosys’ 22nd Annual 2018 Third-Party Logistics study:

“The increased desire for visibility within the supply chain is driving increased interest in blockchain technology, which breaks each movement down into a block and documents transactions every time a shipment changes hands.”

What is Blockchain?

Most often used in association with cryptocurrencies like BitCoinblockchain is a digital, distributed, public-ledger technology designed to record transactions in a secure, tamper-proof, yet publicly-accessible way that resists tampering or modification.

So, breaking the components down a little more, we can that Blockchain is:

  • Digital. A blockchain ‘system’ can be set up on a public or private blockchain network – essentially a system of computers that can trade data with each other. Blockchain functionality can also be integrated into other systems, such as an Enterprise Resource Planning (ERP) solution.
  • Distributed. All transactions in the ‘chain’ of transactions are recorded as a distributed database on multiple computer systems. As a result of this distribution, the transactions can be reviewed and validated by multiple parties.
  • A public-ledger. In order to maintain transparency, the same blockchain transactions must be recorded on multiple systems that are accessible by all members of the blockchain system (if a private network) or public (if a public blockchain network).
  • A technology. Blockchain is nothing more than a computer technology that manages transactions securely. As a result, blockchain applications can be integrated into other systems, so that all transactions pertaining to your shipment (for example) are registered on your Enterprise Resource Planning (ERP) solution, as well as on the shipping company and/or the customer’s logistics management systems.
  • Transactions-based. The basic element of a Blockchain is a transaction that is recorded in exactly the same way on multiple systems that are accessible by different parties.
  • Secure. Blockchain transactions are encrypted so that it is very difficult to change a transaction’s details. In addition, a blockchain transaction’s encryption key (think of it like a password to a computer) is based upon the previous transaction’s details – similar to how some people base passwords on their birth date or another significant number. Because of this, when a transaction is decrypted to be read, if the previous transaction has been tampered with, the current transaction will not be readable.
  • Tamper-proof.  This is done to reduce the probability of tampering, fraud or other activities that would lower a users’ trust in the system. By providing multiple, individually accessible copies of the transaction, irrefutable evidence can be obtained of the details of the original transaction, as it likely won’t be changed on all systems.
  • Publicly-accessible. Since all transactions are recorded on multiple systems owned by different parties, Blockchain transactions are never hidden and always remain available to the public.

How Was Blockchain Created?

Blockchain was devised by a mysterious person or people known collectively as Satoshi Nakamoto, as a means of managing the distribution and financial transactions history of BitCoin. The details of which were released in a white paper released in October 2008 entitled “Bitcoin: A Peer-to-Peer Electronic Cash System”. Very little is known of the origins of the author(s) of the paper to this day.

What industries will Blockchain Affect?

According to FutureThinkersblockchain technology is going to transform many industries, including banking and payments, cybersecurity, insurance, charities, voting and governance, healthcare, retail, and logistics and supply chain management.

Any industry that records transactions of any sort (financial, logistical, services-based, etc.) and that will benefit overall from having those transactions available in a public manner will likely benefit from the application of blockchain technologies.

The new platform could save the global shipping industry billions of dollars a year by replacing the current EDI- and paper-based system, which can leave containers in receiving yards for weeks.

How Does Blockchain Work?

Think of a blockchain as a series of transactions recorded in a ledger, where each transaction is encoded with the reference number and some details of the previous transaction.

If you’re interested in a particular transaction (say the date, time and manifest of a given load of cargo, as well as the carrier), that could all be encoded in a single transaction and registered on a public ‘chain’ (usually a number of computers spread out over multiple organizations).

This transaction ‘block’ would also be available on your local system (an Enterprise Resource Planning (ERP) or other management systems).

If you had the encryption password (‘key’) for your transaction, you would be able to see all the details of that transaction.

Because it was in a blockchain, you would know that a transaction is very difficult to alter or tamper with. This is because every transaction refers to the previous transaction, so every transaction in the ‘chain’ would be altered and you (and everyone else on the chain) would no longer be able to access your own transactions.

It’s sort of like balancing a checkbook – if an entry is missed, everything is out of balance.

How Can Blockchain Change the Supply Chain?

Within a supply chain, blockchain technology could be used to:

  • Monitor costs, labor, waste, and emissions at every point of the supply chain.
  • The distributed ledger can be used to verify the authenticity or fair trade status of products by tracking them from their origin.
  • As mentioned above, shipping details could constitute a transaction at every interaction with a shipment – and your customer(s) would know about it as well.
  • Trigger an action automatically. A related technology called a ‘Smart Contract’ can be built into a block and be triggered when a certain condition is met – such as a payment transfer can happen automatically when a shipment reaches a customer’s location.

Blockchain to disrupt SCM

An Example Blockchain with a Smart Contract

Watch Blockchain in Action with Acumatica ERP

Watch as Ajoy Krishnamoorthy, Acumatica’s Vice-President Platform and Strategy demonstrates how Blockchain can be used to track serialized inventory around the globe using Acumatica, and RFID tags during the 2018 Acumatica Summit held in Nashville, TN (about 2 minutes):

 Potential Benefits of Blockchain for Supply Chain Management

Implementing Blockchain within a supply chain system has the potential to:

  • Increase traceability of shipments within the supply chain.
  • Lower losses from fraud and theft.
  • Prevent counterfeit goods from entering the supply chain.
  • Improve monitoring of conditions in outsourced manufacturing locations.
  • Reduce administrative and governmental paperwork and bureaucratic delay.

Blockchain will enable Supply Chain Managers to control the inputs to their supply chain to a much greater degree than they are able to do so today, and at a much lower cost in terms of effort, time, and money.

What is the Outlook for Blockchain Technology in the Supply Chain?

A number of major logistics companies have commissioned pilot projects to validate Blockchain’s potential within the industry, including:

Walmart Testing Food Safety Tracking in China

Walmart is teaming up with IBM, Nasdaq-listed Chinese retailer, and Tsinghua University National Engineering Laboratory for E-Commerce Technologies to improve food tracking and safety in China.

Testing done by Walmart showed that the amount of time it takes to trace a package of mangoes from farm to store was reduced dramatically. The original process took days or weeks but by using blockchain technology it was down to 2 seconds.

Maersk is Tracking Movement of Shipping Cargo and Freight

Danish shipping giant Maersk’s trial of blockchain to track the movement of shipping cargo and freight was one of the first major enterprise test announcements. Its first live trial completed in March 2017, and it has since continued to pursue innovating with blockchain technology, including exploring its use in maritime insurance.

Alibaba Using Blockchain to Track Product Authenticity in Supply Chain

Also in Asia, Alibaba announced in late 2017 that it has been quietly developing an in-house private blockchain network for the past two years to track product authenticity in the supply chain and reduce counterfeiting. Geoff Jiang, Head of Ant Financial’s Innovation Lab stated that with blockchain, “we know where the product comes from, its source, and which retailer it’s coming from.”

Vendors Implementing Blockchain

While blockchain technology is still closely associated with cryptocurrencies, it is starting to be applied in a wider context as a public ledger.

Investment in blockchain technology has increased dramatically in the last year and the trend does not appear to be slowing down.

Many companies are furiously working towards adopting its use in SCM, including ProvenanceFluentSKUChain, and Blockverify.

Read The Entire 5-Part Series on Disruptive Supply Chain Technologies to Watch in 2018

Article #1: Blockchain is Becoming a Crucial Link in the Supply Chain

Article #2: Automation and Digitization Will Shorten the Supply Chain

Article#3: Shipper-3PL Relationships Will Share Information at a Strategic Level

Article #4: Logistics is Experiencing a Talent Revolution

Article #5: 3D Printing will Add Strategic Flexibility to the Supply Chain – but When?


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