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Apple betting blockchain decentralized security, applying blockchain timestamp patent


A new patent application from Apple, the technology giant in the United States, points to potential use cases where blockchains create and validate timestamps in a forward-looking system.

In a patent application released by the U.S. Patent and Trademark Office on Thursday, Apple Inc details a plan that can be certified by combining aspects of blockchain technology with public key infrastructure tools Time stamp.

This use case involves linking a piece of information with a particular blockchain transaction to establish the state of the data at a particular point in time. If this information is changed, additional transactions will be created to record these changes in detail.

Apple's patent application describes three possible ways to build timestamps, one of which is around a blockchain platform.

The project will generate a block containing a timestamp, and with the addition of subsequent blocks, the miners will be able to verify every transaction executed on the blockchain. The system is part of what Apple calls "multiple check architecture," meaning that another system will confirm the timestamp after it is generated and before it is added to the blockchain.

According to the patent application, Apple will consider using a blockchain because of the decentralized security provided by this technology.

According to the patent document said:


"If any party tries to change a node earlier in the blockchain then the hash puzzle solution for each block after the changed block will be corrupted or incorrect.Each participant can Seeing this corrupted blockchain is inconsistent with their own version of the blockchain, the corrupted blockchain will not be recognized by the node. "



According to Apple's patent application, the advantage of using a decentralized ledger to store timestamps is twofold. Not only can a permanent point of time be maintained, but if a node is compromised by a malicious attacker, the network is still protected from corruption.