Everyone has noticed stories in the media of massive data breaches that compromise the privacy and security of individuals. For example, or the infamous that saw celebrities like Jennifer Lawrence have their iClouds hacked. These events reflect the inherent vulnerability of centralized data storage to digital attack and theft. Marriott Hotel’s recent breach fappening /celebgate The reason is easy to grasp: all the information is stored in one place. Mainstream mass data storage solutions usually store each data object on one or two servers. This makes the data vulnerable to hackers who could get all the content by attacking only those one or two servers. In contrast, blockchain technology makes decentralized data storage possible by spreading information across a large network of nodes, so it isn’t possible to steal it by attacking only one or two servers. One would have to hack an entire network of nodes. The impracticality of this makes blockchain data storage much more secure than current options. Sharding Blockchain’s storage and security capabilities make it a potential alternative to centralized and cloud-based storage. A key mechanism to do this is called “sharding”, which means splitting something up into fragments. For example, data (documents, contracts, reports, etc.) stored on the is encrypted and “sharded”, i.e. split into multiple small fragments. It is then distributed to different storer nodes around the world. In contrast, current cloud storage solutions usually store data on one or two servers without sharding or encryption. Sharder Network Verification and Authentication In addition to data storage, blockchain also has the capacity to validate data and detect whether it has been altered. Blockchain technology makes it possible to verify the authenticity of a file using its digital fingerprint or hash. Through this marker, the data’s owner can also keep complete ownership and access to the information while no one without authorization can access it. Use Case: Legal Contracts and Personal Privacy SignEase is an application for signing contracts and validating files that uses the Sharder chain for storage. It uploads signed contracts and validated files with a transaction ID that lets users trace and verify the stored contracts and files. The verification and authentication capacities of blockchain technology mean that all e-contracts and files stored and validated on SignEase are legally valid. is a phone application built on Sharder Network, launching in October 2020. Its function is to protect individuals most sensitive data. It can protect people from incidents like the fappening where iClouds were hacked. It also acts as a hidden photo app, so people can store sensitive photos and videos that they don't want stored in their phones gallery ISLAND Credit-Based Proof of Stake The consensus mechanism used by the Sharder Network to secure the network is known as Credit based Proof of Stake (CPoS). CPoS consensus consensus has the benefits of both PoS (Proof of Stake) and PoC (Proof of Credit). Based on the CPoS consensus, the Block generation rights in the  Network are determined by a node’s PoC score and the amount of Sharder token (SS) held. This results in smaller number of nodes making it possible to create higher efficiency and more transactions per second, as well as a lower probability of block errors and rollbacks. This is not the Bitcoin model of attracting nodes (miners) to join the network by rewarding solely on mining. Most of the nodes will be rewarded for providing storage, validation, authentication and storage capabilities. Interoperability Though Sharder itself is one storage network, it is accessible to other public blockchains such as Qtum, Ethereum, storage networks such as IPFS, Aliyun, Baidu Cloud, and personal storage devices such as hard disks and cloud disks. The ability to complete cross-chain uploads to multiple blockchains enables other chains to use Sharder’s storage and validation capability. This approach makes cross-chain data verification possible reduces the need for other chains to build their own storage and validation functions. Plug and Play Blockchain Services Like others in the emerging blockchain space, Sharder plans to use the Blockchain as a Service (BaaS) model to export its validation and storage capabilities externally. Customers who want to use blockchain storage and validation will not need to install any special software client. They can use the Blockchain as a Service API directly to serve their specific business need. They can store and validate documents, contracts and reports utilizing blockchain technology to ensure all digital files are securely stored, immutable and traceable. Conclusion Blockchain’s capacities to securely store data, as well as verify its authenticity and ensure it can’t be altered opens up almost endless business opportunities in all types of industries ranging from aerospace, education, government, law, medicine and real estate. Companies are racing to take advantage of them.

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Decentralized Data Storage and Enhanced Privacy and Security with Blockchain

Decentralized Data Storage and Enhanced Privacy and Security with Blockchain

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