Datumesh, Europe Intensity Technology Public Chain Appeared on the NASDAQ Big Screen

October 08 22:10 2018

At 10 a.m. on September 21, 2018, America eastern standard time, in front of the New York Times Square, large-scale propaganda film, Datumesh Restructure Data World, was being played on the NASDAQ Big Screen, which has the title of the world first screen. This strong landing of Datumesh on NASDAQ Big Screen, has put blockchain technology in front of more people.

It’s known that Datumesh is an epoch-making public chain, and this project has been attracted the attention of Andrew Capital,Block chain Competence Center, and the angel wheel was completed in early August 2018, entering the stages of ecological nodes and communities construction.

By building a public chain of ecological data sharing, Datumesh solves the sharing problem of all user identity attributes; in addition, by compressing the cost of data acquisition and fragmentating the public chain of data storage, all industry issues are solved, and ultimately realize data sharing. What Datumesh is accomplishing is the fusion between blockchain and database underlying technology, to create a mature decentralized data sharing system, which does not have global locks and fixed nodes to generate logs, maintains both the integrity and alpha value of data, and block security with the help of Merkel tree and mining inspection.

On the basis of blockchain system, by means of decentralization, Datumesh establishes a reliable data shared library, utilizing the characteristic that blockchain is a distributed ledger based on consensus building, as well as the foundation of smart contracts and other assistive technologies. Datumesh enables the construction of transaction applications for a new generation, and also ensures the security guarantees of core trust mechanisms and transparency, as well as simplifying the transaction flow at the same time. Datumesh makes it possible that any number of nodes in the system of all data communication over a period of time can be recorded and calculated on a data block (block) by cryptographic algorithm and the key that generates the block is then used to connect the next block in the chain and complete check. Later, all the participating nodes in the system jointly determine whether the record is true and complete the consensus.

Through DAG and Byzantine fault tolerance, Datumesh resolves the industry’s pain points of the realization of high efficiency and low cost and poor security for data transmission and storage. The DAG structure compresses the cost of data retrieval through the interlocking mechanism of multi-chain resonance, while in the mean time, Byzantine fault tolerance ensures the stability of data retrieval and transmission process.

DAG graph is also called directed acyclic graph. When a data is sponsored from any node in the DAG graph, there is no path that can be returned to the originating node in the line with the directional arrow. The advantage of DAG graph is that it can effectively realize the long-term operation stability and high transmission quantity of public chain, which ensures the transmission and storage of data generation in Datumesh.

The Shared data is packed into individual units in the DAG topological network structure, and these interconnections implement a DAG graph. In these frameworks composed from units, any previous unit can be tracked by any unit, which increases fault tolerant room for slight discrepancy existing between different data ledgers, and realizes the consistency of the whole network in the short term weakened data block, making the possibility of occlusion of user information data during the transmission procedure further lower, which also improves consensus issues and the high cost of data lock-in time, and finally high data size and high operating speed of data storage can be realized.

Under DAG technical architecture, starting from the creation node, the topological network structure of this DAG will become more and more complex with the addition of the deal, and double-spending chain problem is also more likely to attack networks, while the way that DAG resolves the double-spending chain problem is easier than that of data storage for bitcoin UTXO, which only needs to confirm the validity and sequence of each transaction. In DAG, each transaction is broadcast to the entire network, and each subsequent transaction must be referenced to all previous transactions. Every transaction is immediately broadcast to all nodes in the network. Starting from the initiated node, we can sequence a main chain, and the data appearing earlier on the path is regarded as validity, by choosing a shortest path, the problem of double-spending chain can be solved.

However, for Byzantine fault tolerance, it is under the premise of ensuring the activity and safety of data, the fault tolerance of (n-1)/3 can be provided, which can work in an asynchronous environment, enhancing response performance by an order of magnitude. The client sends the request to the primary node, applies for recall data or services, then the primary node forwards the request to other copies with a broadcast mechanism and executes it. And what the client needs to do is to wait for n+1 other copies to be forwarded back to the same result to be confirmed.

Byzantine problems on the blockchain network may have multiple proposals in each system, but the process of finally reaching an agreement is very difficult, because each link is quite easily disturbed. For the thought of Byzantine fault-tolerant mechanism that Datumesh contacts and relies on PoW(Proof of Work), firstly, the number of proposals in the block network is limited for a period of time by means of increasing the cost of scenario and other methods, at the same time, the requirements of consistency confirmation are relaxed and expanded along an appointed chain, and in the end, the system confirmation is completed through the significance of probability. In this way, even if the malicious destruction and attack require more than half of the system’s computational force to achieve, effectively enhancing the security of the system operation. This type of consensus algorithm makes the data sharing on the Datumesh public chain hve a favorable and solid foundation.

We will restructure the existing data world and bring about a new pattern.

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