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Central database or blockchain?

Exercise and reference answers

Items
  1. Item
    Data in one place
    Answer
    left
  2. Item
    Updated one by one
    Answer
    left
  3. Item
    One weak point
    Answer
    left
  4. Item
    Each node has copy
    Answer
    right
  5. Item
    Append only ledger
    Answer
    right
  6. Item
    All nodes agree
    Answer
    right
Categories
Left
Central DB
Right
Blockchain
Instructions
Swipe left for a central database, right for a blockchain.

Explanation

_Source: syllabus IP XI Ch2 Emerging Trends, 2.7 Blockchains_
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