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Can blockchain-based solutions provide better security for cloud-based applications compared to traditional methods?

Computer science

Verifiable secret sharing

Authentication (law)

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Blockchain-based solutions offer enhanced security for cloud-based applications compared to traditional methods. Traditional methods face challenges like key management issues, single points of failure, and high trust costs. In contrast, blockchain technology ensures distributed trust, immutability, and transparency, mitigating security vulnerabilities caused by centralization. Blockchain-assisted techniques address key management problems, enable dynamic access permission updates, and provide efficient user revocation. These solutions combine attributes like confidentiality, fine-grained access control, and secure data sharing while preventing data tampering and unauthorized access. By leveraging blockchain for authentication, authorization, encryption, and verification, cloud-based applications can achieve superior security, scalability, and efficiency, making them more resilient to cyber threats and ensuring trustworthy operations in cloud environments.

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Journal Article•DOI Secure multi-factor access control mechanism for pairing blockchains Abigail Akosua Addobea, Qian Mu Li, Isaac Amankona Obiri, Jun Hou - Show less +3 more 01 May 2023-Journal of information security and applications	Blockchain-based solutions, like the proposed multi-factor access control mechanism, offer enhanced security for cloud-based applications by overcoming single-point-of-failure issues and providing efficient authentication methods.
Open access•Journal Article•DOI Blockchain-Assisted Verifiable and Secure Remote Sensing Image Retrieval in Cloud Environment 01 Jan 2023-IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing	Blockchain-assisted verifiable scheme enhances security for remote sensing image retrieval in the cloud, ensuring integrity and preventing malicious behavior, surpassing traditional methods' security.
Journal Article•DOI A Blockchain-based Anonymous Attribute-based Searchable Encryption Scheme for Data Sharing Kai Zhang, Yan Zhang, Yanping Li, Ximeng Liu, Laifeng Lu - Show less +4 more 01 Jan 2023-IEEE Internet of Things Journal	Yes, a Blockchain-based Anonymous Attribute-based Searchable Encryption Scheme enhances security for cloud data sharing by providing confidentiality, tamper-proof features, integrity verification, and non-repudiation, reducing single points of failure.
Open access•Journal Article•DOI A Blockchain-Based Authentication and Authorization Scheme for Distributed Mobile Cloud Computing Services Linsheng Yu, Mingxing He, Hongbin Liang, Ling Xiong, Yang Liu - Show less +4 more 22 Jan 2023-Sensors	Yes, blockchain-based solutions offer enhanced security for cloud-based applications by enabling distributed trust, dynamic access control updates, and efficient storage, as shown in the proposed scheme.
Journal Article•DOI Blockchain-Assisted Comprehensive Key Management in CP-ABE for Cloud-Stored Data Suhui Liu, Jiguo Yu, Jiquan Chen, Baobao Chai - Show less +3 more 01 Jun 2023-IEEE Transactions on Network and Service Management	Blockchain-assisted key management in CP-ABE enhances security for cloud-stored data by addressing key issues like key escrow, distribution, and update, offering improved security compared to traditional methods.

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How does scalability challenges in blockchain enabled cloud security ?5 answersScalability challenges in blockchain-enabled cloud security arise due to the limitations of traditional centralized models,. Blockchain's inherent data structure and consensus mechanisms pose scalability issues, especially with the increasing demand in 5G and B5G environments. To address this, innovative approaches like sharding and redactable blockchains have been proposed. Sharding enhances scalability by reducing storage pressure on nodes and increasing transaction processing speed in Industrial Internet of Things (IIoT) environments. On the other hand, redactable blockchains, like in ScalaCert, mitigate scalability problems by directly recording revocation information on certificates, reducing storage overhead. These advancements aim to improve system scalability while ensuring security in blockchain-enabled cloud security applications.

What are the potential privacy-preserving techniques that can be implemented using blockchain in cloud computing?5 answersBlockchain can be used to implement privacy-preserving techniques in cloud computing. One potential technique is the use of a Secure Recommendation and Training Technique (SERTT) that combines federated learning and blockchain approaches to protect the privacy of Internet of Medical (IoMT) recommender system data. Another technique is the Privacy-preserving Identity Management (PPIdM) system, which uses blockchain to manage users' identities and protect their privacy by enabling authentication without disclosing real identities. Additionally, a verifiable Attribute-Based Encryption (ABE) scheme based on blockchain and local differential privacy can be used to protect privacy in virus-infected patient tracing systems. Furthermore, an efficient blockchain-based privacy-preserving scheme with attribute and homomorphic encryption can provide fine-grained secure access control and protect user privacy in distributed intelligent systems. Lastly, blockchain-assisted conditional anonymity privacy-preserving public auditing (BA-CAPPPA) schemes can be used to protect data integrity, whistleblower identity privacy, and accurately trace responsibility in cloud storage systems.

How can blockchain be used to improve the security and efficiency of cloud computing?5 answersBlockchain technology can be used to improve the security and efficiency of cloud computing. By using an immutable, distributed, and decentralized record of transactions, blockchain provides a secure and auditable data protection system. The use of cryptographic hashes ensures the accuracy and authenticity of data stored on the blockchain, making it difficult for data to be tampered with or corrupted. Additionally, blockchain technology offers scalability, efficiency, and cost savings compared to traditional databases, as it requires fewer resources and can process a larger volume of transactions. The decentralized nature of blockchain allows it to work across multiple devices and networks, further enhancing its efficiency and cost-effectiveness. Overall, blockchain technology provides a secure and efficient solution for protecting data in cloud computing environments.

What is blockchain security applications?5 answersBlockchain technology has various security applications in different domains such as IoT, education, e-commerce, and healthcare. It provides a decentralized and tamper-proof data management system that ensures trust and security in transactions. In the education system, blockchain technology guarantees the security and confidentiality of data, increasing trust among stakeholders. In e-commerce, blockchain enhances transaction security and simplifies payment systems, making them more efficient and well-documented. In healthcare, blockchain technology offers advantages in protecting data confidentiality, integrity, and availability, addressing security issues in medical health data storage. Overall, blockchain technology provides a secure and trustworthy platform for various applications, ensuring data protection and enhancing trust in transactions.

How can blockchain technology be used to improve security?5 answersBlockchain technology can be used to improve security in various ways. Firstly, it can enhance cybersecurity by providing transparency, integrity, and resilience to organizations and individuals in mitigating cyber threats. Secondly, it can increase customer security and trust in online transactions in the e-commerce industry. Thirdly, blockchain can be used to secure networks, particularly in the field of Internet of Things (IoT). Fourthly, it can enable secure data transmission and device processing in distributed networks, such as the IoT network. Lastly, blockchain ensures data security by collecting, storing, and disseminating information in a tamper-proof manner, making it difficult for anyone to alter or delete data.

How does blockchain provide security in cloud?5 answersBlockchain provides security in cloud by utilizing encryption, data verification, and decentralized record-keeping. It ensures data integrity and reduces vulnerability to tampering or corruption. By encrypting data and storing it on the blockchain, clients can quickly determine if their data has been tampered with before the cloud service provider becomes aware of any potential security breaches. Blockchain technology uses cryptographic hashes to verify the accuracy and authenticity of data stored on the blockchain, making it difficult for any changes or modifications to go undetected. Additionally, blockchain provides a permanent and immutable record of transactions, further enhancing data security. The decentralized nature of blockchain allows it to work across multiple devices and networks, making it a more efficient and cost-effective solution for securing data in the cloud.

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