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IBM is Having Resisting Replay Attacks in Permissioned Blockchains For Patents

The United States Patent and Trademark Office on March 12. Multinational computing giant IBM is adding to its arsenal of blockchain patents with an application for rising the safety of permissions blockchain networks. The patent initially filed in the month of October 2016.

The patent is entitled “Resisting replay attacks with efficiency in permission and privacy-preserving blockchain network,” and descriptions security techniques for withstanding such attacks whereas maintaining valid user permissions and privacy.

IBM’s background for its patent explains this threat within the context of blockchains, outlining that:

“In a replay attack the attacker simply ‘replays’ a message that was ‘eavesdropped’ on from the network or that the attacker ‘saw’ on the Blockchain. Such a replay would cause the blockchain validators to include this new transaction in the Blockchain, and thus repeat the result of that transaction without the original creator of the transaction intending this.”

IBM’s invention for resisting this possibility within the context of a permission blockchain entails a method of communication and securing the validation of transactions within a network of computer systems:

“In a network of computer systems, a method of communication may comprise at a user computer system, generating a security value that is to be used only once, generating a message signed with a security certificate and including the security value, and transmitting the message over the network of computer systems.”

Various embodiments of IBM’s invention define however validator permissions for every one of the networked systems is to be secured. This involves generating dealings that are “signed with a security certificate and includes a (unique) security value (to be used solely once), that indicates that a blockchain network of personal computer systems is eligible to dealings before it’s transmitted onward.

A data survey of blockchain-related patents filed by August 2018 stated that IBM was nearly neck-and-neck with China’s Alibaba in terms of the best range of such patents filed by a worldwide entity.

Just last week, the school giant unveiled two new blockchain patent applications, one targeted at network security and therefore the second targeted on using streamline database management systems.

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