International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 10 Issue: 06 | Jun 2023
p-ISSN: 2395-0072
www.irjet.net
CLOUD STORAGE AND RETRIEVAL USING BLOCKCHAIN Mrs. Rashmi M R1, Raghav Goenka2, Rohan Sanjeev Tenginkai3, Vaibhav Singh4 1Assistant Professor, Dept. of CSE, NIE, Mysore, Karnataka, India 2Student, Dept. of CSE, NIE, Mysore, Karnataka, India
3Student, Dept. of CSE, NIE, Mysore, Karnataka, India
4Student, Dept. of CSE, NIE, Mysore, Karnataka, India
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Abstract - Decentralized storage systems leverage
much more difficult for unauthorized parties to access or manipulate the data. Additionally, the use of encryption and fragmentation ensures that even if one node or fragment is compromised, the data remains secure. Decentralized storage systems also offer improved data availability. With traditional centralized storage, if the central server goes down or experiences technical issues, access to the stored data may be lost. In a decentralized system, however, even if some nodes go offline, the data remains accessible as long as enough nodes are still operational. Privacy is another benefit of decentralized storage. Since data is fragmented and encrypted, only the user who possesses the encryption keys can access and decrypt the data. This means that even the storage providers themselves have limited visibility into the actual contents of the stored data. Furthermore, decentralized storage systems are highly scalable. Additional storage capacity can be easily added to the network by simply connecting new nodes, allowing the system to accommodate growing data demands without requiring significant infrastructure upgrades. Some popular examples of decentralized storage systems include InterPlanetary File System (IPFS), Storj, and Filecoin. These systems leverage distributed ledger technologies, such as blockchain, to maintain data integrity, incentivize participation, and facilitate decentralized governance. In summary, decentralized storage systems offer improved data security, privacy, availability, and scalability compared to traditional centralized storage. By distributing data across a network of nodes, these systems provide a robust and resilient approach to storing and accessing data in a decentralized manner.
distributed architectures and peer-to-peer networks to store data across multiple nodes rather than relying on a single centralized server. This distribution eliminates the vulnerabilities associated with a single point of failure, as well as the risks of data loss or unauthorized access. By dividing data into smaller encrypted chunks and dispersing them across the network, decentralized storage systems ensure data integrity and confidentiality. One of the primary advantages of decentralized storage systems is their enhanced security. With data being encrypted, sharded, and distributed across multiple nodes, it becomes significantly harder for malicious actors to compromise or manipulate the stored information. Furthermore, the absence of a central authority or governing body reduces the risk of data breaches and unauthorized access, empowering individuals, and organizations to have greater control over their data. Decentralized storage systems also offer improved accessibility. Traditional centralized systems often suffer from bottlenecks, limited bandwidth, and geographical restrictions. In contrast, decentralized storage systems allow users to access their data from any node on the network, ensuring faster and more efficient retrieval. Moreover, as these systems rely on distributed networks of volunteers or participants, they can leverage idle storage resources, reducing the costs associated with dedicated infrastructure. Key Words: Decentralized storage, centralized storage, peer-to-peer networks, security, encryption, distributed network, node etc.
1.INTRODUCTION
2.PROBLEM IDENTIFICATION
Decentralized storage systems are a type of data storage infrastructure that distributes data across multiple nodes or devices rather than relying on a centralized server or data center. This approach offers several advantages in terms of data security, privacy, availability, and scalability. In a decentralized storage system, data is divided into smaller pieces and encrypted before being distributed across a network of participating nodes. Each node in the network stores a fragment of the data, and multiple copies of each fragment may be stored across different nodes to ensure redundancy and fault tolerance. One key advantage of decentralized storage is enhanced data security. Since data is encrypted and distributed across multiple nodes, it becomes
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Impact Factor value: 8.226
Data privacy and security are concerns when data resides third party storage. Storage can be created from the underutilized resources of peers. Data security, privacy, availability, and resource utilization are the areas handled by the proposed system.
3.SYSTEM DESIGN AND LIMITATIONS Zhe, Diao, et al [2], discusses the increasing demand for cloud storage with associated security and privacy issues in centralized cloud storage. As per the discussion by encrypting the data and scattering the data across multiple nodes, a high
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