Lenovo has applied for a patent with the U.S. Patent & Trademark Office for an electronic device to ensure the integrity of a signed physical document using blockchain technology, according to a recent filing. The device identifies an integrity symbol within a physical document and converts it to a map that allows the device to verify the document’s integrity.
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Cryptographic Hash Deployed
.......The authenticity of any electronic or printed version can be checked by examining the in-brand integrity symbol.
The filing includes an extensive explanation of embodiments and a detailed description of the functional units and features...Click here to know the details story
AUTHOR
Lester Coleman
