RFID & Wireless IoT Global, Issue 06/2021
Identiv

The Security Benefits of Unifying NFC and Blockchain

Bring Trust and Security to Real-Time Processes

Unifying NFC and Blockchain

Blockchain and NFC bring trust and security to real-time processes by distributing large-scale computing efforts and eliminating single points of failure.

Identiv

Although blockchain gained household recognition with the rise of Bitcoin’s popularity, blockchain has many uses beyond cryptocurrency. The decentralized, distributed qualities of blockchain processing lends security, transparency, reliability, and authenticity to all kinds of systems.

Combined with the power of near-field communication (NFC) devices, systems using both NFC and blockchain promise unprecedented performance for a range of highly secured networks. Early adopters and research teams have found success by bringing both NFC and blockchain technology to a number of applications, from manufacturing and supply chain to financial recordkeeping.

For a truly sustainable end-to-end approach, Identiv offers eco-friendly NFC tags that have the lowest carbon footprint in the industry.

 

NFC provides a medium for blockchain to interact with the physical world, and blockchain verifies NFC tags to detect and prevent tampering.

How can NFC and blockchain work together to improve security?

Combining both NFC and blockchain into a single system balances the weaknesses of either technology on its own.

How can NFC and blockchain work together to improve security?

Through blockchain-based solutions, engineers and designers can build an immutable digital ledger and transparent exchange of electronic information. However, blockchain alone operates in a purely digital space – there needs to be an intermediate step to connect physical objects to a blockchain and all the benefits it could provide.

NFC tags translate physical objects, locations, and markers into the digital world. The relatively short range of NFC sensors discourages interference from afar, as close physical proximity is needed to interact with the NFC system. However, NFC tags are susceptible to cloning, modification, and other forms of tampering.

Combining both NFC and blockchain into a single system balances the weaknesses of either technology on its own: NFC provides a medium for blockchain to interact with the physical world, and blockchain verifies NFC tags to detect and prevent tampering. While each of these technologies are well researched individually, new innovation is inspired by the future applications and limitations of hybrid NFC-blockchain systems.

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