6 use cases for blockchain in security

Blockchain is a decentralized, distributed electronic ledger built on the model of offering absolute security and trust. Using cryptography, transactions are recorded chronologically and publicly, each one time-stamped and linked to the previous one. Critically, these digital ‘blocks’ can only be updated through the consensus of all participants, with data interception, modification and deletion near impossible.

As a result, since hitting Gartner’s fabled “peak of the hype cycle” in 2016, Blockchain has become something of a priority for industry leaders, especially in financial services, energy and manufacturing. Authenticating Bitcoin payments has perhaps become the most cited use case, but this technology can extend to applications like content delivery networks and smart grid systems too.

When it comes to cyber security, blockchain has the potential to improve everything from improving data integrity and digital identities to enabling safer IoT devices to prevent DDoS attacks. Indeed, blockchain might play across the ‘CIA triad’ of confidentiality, integrity and availability, offering improved resilience, encryption, auditing and transparency.

Read about 6 real-world use cases for blockchain in security on CSO.

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