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Mastercard Is Looking to Stem Theft Through Blockchain Technology

Thieves who “skim” credit card numbers are stealing some $2 billion globally every year. They simply pick up the magnetic images from these cards and they’re off to commit crimes with the stolen data.

Mastercard and other credit card companies are working on solutions that employ blockchains to end these information thefts. The credit card giant, which first began eyeing blockchain technology to thwart thefts in 2016, has applied for several patents for the nascent applications.

Centralized payment processors like Mastercard are working with blockchain applications because of the technology’s ability to record and track information. Distributed databases are verifiable and often difficult to hack.

If successful, blockchain applications in the credit card industry could begin to tackle a much larger $2 trillion problem, which includes the counterfeiting of credit accounts.

“Today, there is no efficient and effective way to prove that goods and services are what they claim to be and that they have not been altered, forged, reproduced or duplicated in any way,” according to the Mastercard developers website.

The Mastercard blockchain is providing “new commerce opportunities for the digital transfer of value by allowing businesses and financial institutions to transact on a distributed ledger,” according to the website. Experimental APIs are offered on the company’s blockchain platform and are “available for selected testing with partners."

Proponents of distributed ledgers would be quick to highlight the many advantages a decentralized platform can offer payments companies like Mastercard.

“Blockchain technology will allow Mastercard to track transactions with a greater level of accuracy and avoid scams such as credit card skimming,” said Arran Stewart, co-owner of the blockchain recruitment platform  “Verifying transactions is something that normally doesn't happen until after fraud occurs, but with blockchain [technology], fraud can be avoided entirely.”

 Counterfeiting and cross-border payments are also being eyed by Mastercard for potential blockchain applications. In one suggested use case, the company stated that its blockchain and authorization network could be used “to easily track high value pharmaceuticals, art, luxury goods as they are created, transferred, purchased and re-sold. For example, use a Mastercard plastic card with a standard payment terminal to record that the asset arrived at a location on the blockchain.”

Fund transfers across borders could also employ blockchains.

“When two parties agree to transfer funds they write a settlement request to the blockchain.” The company’s settlement network could read the blockchain and “transfer the funds between two banks. It then writes a confirmation of transfer to the Mastercard blockchain.”

As with any large blockchain applications, the real test will come in scaling up. Can these applications work efficiently for billions of transactions? At present, blockchain technology is expensive and sluggish relative to current transaction systems.

The challenge is the ability to add nodes to the blockchain quickly, which, at present, is a technical problem. With the massive amount of data in credit card transactions, that means adding millions or billions of blocks to hold the information. The company has been researching how to speed up the process.

According to a patent application filed by the company earlier this year, Mastercard is proposing to set up blockchains “configured for fast navigation.” Although the details are involved, “each block [will include] a header comprised of a fast track flag, fast track reference, timestamp, and hash value.”

“The technology is being built with scale in mind and based on success; Mastercard and other institutions will adopt this technology throughout their service,” noted Stewart. “The biggest drawback has been cost with running this technology on the blockchain; however, proof of stake technology should resolve this issue.”

Mastercard, operating in 210 countries, has been one of the most active blockchain developers in the global financial services industry.

The company has filed for more than 35 blockchain-related patents. It has also invested in the Digital Currency Group, which helps blockchain-related companies, and it joined the Enterprise Ethereum Alliance, which links large corporations with startups and academics. Mastercard additionally said it was hiring 175 new technology developers.

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