The giant of e-commerce Amazon has recently won a total of two patents related to each other. These patents are focused on protecting the integrity of digital signatures and improving distributed data storage ledgers. Both the patents were published by the U. S. Patent and Trademark office today, November 13.

One of the documents was filed in April and outlines a system of “signature delegation” that can be used for the protection of the integrity of a digital signature and encrypted communication. It will do it by allowing the user to generate, distribute and validate cryptographic keys, as well as to revoke them whenever they need to.

By using what is known as a Merkle Tree structure, the system arranges the keys in binary hashes constructed from the bottom up. This technology will be a fundamental part of the blockchain system created by the company and will allow for a large body of data to be verified and secured quickly.

According to the patent, the Merkle Root system summarizes all the data of the transactions and stores it in a blockchain header while maintaining the integrity of the data. This means that it will change together with any minor change in the chain, which can allow for a quick and simple test whether a specific transaction is included or not.

Because of this, you can, instead of using a centralized single authority, use an encrypted system that will have various subordinates instead. They will be authorized to sign the transactions. According to the document, the signature authority will provide a key distribution service that will distribute the blocks of cryptographic keys to authorized signing delegates.

After this, an authorized signing delegate will distribute contacts with the service and request a block of cryptographic keys. If a given key is marked as invalid, then the service will be able to provide a verifying entity with a revocation value associated with the key. Amazon has also affirmed that a blockchain can be used in the process.

The other patent created by Amazon was filed in December 2015, a long time ago. It related to issues that have to do with distributed data storage and it proposes the usage of a grid encoding technique that could use groups of “shards”, in which each shard would represent a logical distribution of data in the grid.

This method, the patent affirms, can be used to minimize storage redundancy and to allow for a maximum availability and durability of the system.

Some other companies like Filecoin, Sia Network, Storj and Swarm have all tried to fix several similar issues using distributed data storage and the blockchain technology combined with cloud solutions but none of them were 100% efficient until now.

Amazon was also reported to have been awarded with a patent that had no relationship to the blockchain technology. The company has been awarded with a patent for the streaming data marketplace that could enable users to receive encrypted data in real time.

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