MHI Solutions


Is Blockchain the Answer to Supply Chain Security?

Is Blockchain the Answer to Supply Chain Security?

* By Mary Lou Jay *

Three years ago, when Nick Vyas spoke at the University of Southern California’s Supply Chain Digital Transformation Hackathon, he asked the 300-member audience how many had ever heard of blockchain. “Just four hands went up,” recalled Vyas, assistant professor of clinical data sciences and operations at USC and author of an upcoming book on blockchain and the supply chain. “If I were to ask the same question now, I would venture to say that 99 percent of the hands would go up; in fact, half of them would say they are blockchain experts.”

As knowledge about blockchain has grown, so have expectations for its ability to solve many of the transparency and security issues for today’s supply chains. But are those expectations realistic?

“In the last two years we are seeing a blockchain craze,” said Vyas. “Blockchain has a lot of potential, but it is not one-size-fits all. It’s not capable of solving every problem we have in supply chain.”

Blockchain security

Blockchain is a distributed ledger that records the history of business transactions in a secure, immutable way. Each time a member of a blockchain records a transaction, they add a block that only others in the chain can read but that no one can alter. If someone does try to change a record, the underlying consensus algorithm of the blockchain compares it to the other distributed copies of the record and rejects it, keeping the unaltered ledger in place.

“At the core, blockchain enables two information management capabilities. It ensures that data can be easily tested by all members of a business network to see if said data was corrupted or tampered with, and it ensures that every member of said business network has a real time copy of the most trusted version of a dataset,” explained Richie Etwaru, “blockchain futurist” and adjunct professor, blockchain management at Syracuse University. “These two information management capabilities, when applied to any information intensive business process, network or industry, can reduce the time and effort needed to identify fraud or errors displaying them publicly to the entire business network. As a result, blockchain motivates all actors in said business network to comply with trusted, transparent and genuine business practices.”

“Blockchain really does have some amazing capabilities in terms of being able to track transactions in a decentralized way, where your ability to have your network compromised is a lot lower,” said Vyas. “Normally, when you’re in the cloud, there is one central authority where the database resides. A person has the ability to hack into the system because, by design, somebody owns the repository of data. When you don’t have that, and it’s completely decentralized, the likelihood of somebody penetrating and breaching the security protocol is nearly impossible.”

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Emerging technologies such as IIoT, robotics and artificial intelligence provide exciting opportunities for supply chains. They also mean an exponential growth in the amount of data these supply chains generate. When properly utilized, this data can provide crucial information to improve efficiency, reduce costs, enhance transparency and customer service. But it comes with risk. The more digitized a supply chain becomes, the more it is at risk of cyberattack. Hackers are constantly finding new ways create data breaches they can exploit. The reality that most supply chains require third-party suppliers down the chain only heightens this threat. No matter the scale of your supply chain, it is essential to have solid cybersecurity processes in place to manage and mitigate the growing risk of cyberattack. That’s what this issue of MHI Solutions is all about, from cybersecurity threats in an IIoT world to dark data to the human factor in cybersecurity to blockchain as a potential solution.

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