Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Data stored in a blockchain are protected by the tamper-resistance property
of a blockchain. In what way is this tamper resistance more secure in practice
than the security provided by a traditional enterprise
Expert Solution
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Step 1
Traditional database:
- This frameworks work on a client-server design where clients known as customers can modify the information which is later put away on a concentrated server.
- Control of a database is credited to an assigned position, an administrator, who confirms a customer's certifications before allowing access to the database. The administrator has full command over the database, all things considered, he can make, alter, and erase any record put away in the database.
- A significant deficiency of this sort of framework is identified with security. On the off chance that the security of the authority is undermined, the database can be seized and even erased by the external one also that takes control.
- these databases are described as being recursive, which implies that a client can return and repeat an undertaking on a record and adjust or erase it in the event that they have approval.
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Step 2
Blockchain:
- It is a digitized, decentralized, distributed database that records all the data presented in the blockchain network in requested records named blocks.
- To ensure the features of tamper resistance and data integrity, each block contains the hashed information of the previous block, creating a chain-like structure of interdependent blocks.
- This created database is then replicated and shared with other network members (hubs) which ensure overall transparency.
- In this event if the data is compromised or loosed then the server can recover all the data from full nodes that store the replicated copies of all the data.
- So as to include new information in the blockchain majority of nodes in the system need to arrive at a condition of agreement concerning the information that will be presented. This is accomplished through an agreement system that guarantees that no malicious information can be presented in the system.
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- The tamper-resistant property of a blockchain protects data stored on it. In what ways does the security of this tamper-resistant system outperform that of a normal business database system?arrow_forwardHow does distributed database security differ from centralized database security, and what are the unique security considerations for distributed systems?arrow_forwardHow do security protocols evolve in the context of hybrid databases bridging on-premises and cloud environments?arrow_forward
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