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The American telecommunications giant AT & T is looking for a patent for a blockchain-based social media "map". The patent application was published by the U.S. Patent and Trademark Office (USPTO) on December 13th.
The AT & T patent application describes a blockchain-based system that may include a transaction history controller to store subscriber data, which can be used for various purposes. The file outlines some special cases, such as creating and sharing information, ideas and career interests through communities and virtual networks.
In general, by implementing the system, users could trace "micro-culture transactions", how to track current trends at a specific time or place, or the behavior of their friends. According to the patent application, this capacity "can have an enormous value in e-commerce, in marketing and in targeted advertising". The document also states:
"The social media history mapping platforms described here can take advantage of the immutable and permanent nature of blockchain records to store and provide access to data representing online transactions that occur across multiple social media applications."
According to the filing, content creators would retain ownership of their data on the "mapping" platform:
"However, instead of passing the ownership of blocks or data between users, an owner of a social account maintains the main property of his online transaction data, which passes from the owner of the social media account to other users of the service. maps of the social media history, such as the followers of the social media account owner, is a notion of high visibility rights. "
In November, the USPTO awarded Xerox, a manufacturer of digital copying and copying equipment, with a patent for a blockchain-based auditing system for electronic files. The technology offered by Xerox can presumably detect if a file has been altered and traces the history of document changes. Because of the decentralized verification mechanism, the system becomes so resistant to tampering, the states of the deposit.
Also in that month, the financial services giant American Express (Amex) has filed a patent for a blockchain-based system to capture and transmit the image of a receipt. The file describes how the system allows a user with a mobile device to capture the image of a receipt. The system then, through "optical character recognition", decrypts the image and compares it to "related records", ie transaction history.
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