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Lenovo searches Blockchain validation patent

A new patent application of the computer giant Lenovo suggests that the company could use blockchain as part of system to verify the validity of physical documents.

19.Feb.18 3:55 AM
By Daria Zaytseva


Lenovo searches Blockchain validation patent

In a statement published by the U.S. Patent and Trademark Office (USPTO) last Thursday, Lenovo describes a setting that uses digital signatures encoded in physical documents that can be processed by computers and other machines, to verify the legitimacy of a document. The application was first introduced in August 2016, public records show.

The processing machine decodes the signature and translates it into a digital "map" of the document, which can then be compared to the physical copy. The statement says that the digital signature is a "security block chain," with a series of digital signatures representing blocks in the security chain. Lenovo explains that its "security blockchain" refers to a distributed database that supports an ever-growing list of data records that are protected from forgery and revision. "

It is further stated that each block contains information about the physical document at different times.

Lenovo claims that the advantage of the product is that all parties holding copies of this document can ensure that they each scan an exact copy at any time, excluding the possibility of a significant change in the text of the document after an ink pen signature was applied to it.

This is not the first Lenovo experiment with the blockchain. Last year, Forbes reported that IBM had begun working with the company on invoicing system based on blockchain. At that time, the report suggested that the arrangement should be aimed at making the billing and data transaction processes more traceable and transparent.

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