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You need to design a blockchain-based voting system. Which security feature is most important to ensure votes cannot be changed after submission?

hard🚀 Application Q8 of 15
Cybersecurity - Emerging Security Topics
You need to design a blockchain-based voting system. Which security feature is most important to ensure votes cannot be changed after submission?
AStoring votes on a single central server
BData immutability through cryptographic hashes
CAllowing voters to edit their votes anytime
DUsing simple passwords for voter authentication
Step-by-Step Solution
Solution:

  1. Step 1: Identify key voting security need

    Votes must remain unchanged after submission to ensure fairness.

  2. Step 2: Choose blockchain feature that enforces this

    Data immutability via cryptographic hashes prevents vote alteration.

  3. Final Answer:

    Data immutability through cryptographic hashes -> Option B

  4. Quick Check:

    Immutable votes prevent changes [OK]
Quick Trick: Immutable data keeps votes secure [OK]
Common Mistakes:
MISTAKES
  • Allowing vote edits after submission
  • Centralizing vote storage
  • Using weak authentication methods

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