Différences entre versions de « Blockchain Technology »

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• Performance
 
• Performance
 +
 
• Scalability
 
• Scalability
 +
 
• Redundancy (for fault-tolerance)
 
• Redundancy (for fault-tolerance)
 +
 
• How to ensure consistency among nodes of a distributed system?
 
• How to ensure consistency among nodes of a distributed system?
 +
 
• Even if some aren’t reliable nor honest?
 
• Even if some aren’t reliable nor honest?
 +
 
• Trust without trust?
 
• Trust without trust?
 +
 
• Requires a way to reach “consensus”
 
• Requires a way to reach “consensus”
 +
 
*Example: Database Systems
 
*Example: Database Systems
 +
 
• For a centralized database system, one central entity handles all requests and data processing
 
• For a centralized database system, one central entity handles all requests and data processing
 +
 
• Data updates simple and quick
 
• Data updates simple and quick
 +
 
• Cheaper to manage and maintain
 
• Cheaper to manage and maintain
 +
 
• Performance bottleneck under high concurrent requests
 
• Performance bottleneck under high concurrent requests
 +
 
• Single point of failure
 
• Single point of failure
 +
 
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}}<!--************** Fin Fiche Didactique Explicitations ******************* -->
  

Version du 26 mai 2022 à 19:38


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Blockchain Technology (Français) / Concept en Anglais (Anglais) / Concept en Arabe (Arabe)

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More-didaquest.png Traductions


Puce-didaquest.png Définition

Domaine, Discipline, Thématique


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Définition écrite

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  • System

A collection of interacting/interrelated entities structured as a whole

  1. Organized for a common purpose
  2. Entities may include
  3. Human
  4. Machines
  5. Procedures for different functions
  6. Interfaces to the environment (input/output)
  7. A system stays in some “state” at any given time
  8. Off duty. Under maintenance/update
  9. Operational (hopefully correctly as designed)


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  • Centralized Systems
  1. Homogeneous
  2. Easier to design, operate, and maintain
  3. Single point of control & authority
  4. Multiple users share same set of resources
  5. Single point of failure (- Honest, - Malicious)
  • Distributed Systems
  1. A group of independent systems (nodes) working together for a purpose
  2. Connected & communicate to each other via a network
  3. Each operates concurrently
  4. Can continue correct operations even if some nodes fail

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Définition graphique

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  • Blockchain Technology

  • Blockchain Technology

  • Blockchain Technology


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Puce-didaquest.png Concepts ou notions associés


More-didaquest.png Blockchain Technology - Glossaire / (+)



Puce-didaquest.png Exemples, applications, utilisations

  • Benefits and Challenges

• Performance

• Scalability

• Redundancy (for fault-tolerance)

• How to ensure consistency among nodes of a distributed system?

• Even if some aren’t reliable nor honest?

• Trust without trust?

• Requires a way to reach “consensus”

  • Example: Database Systems

• For a centralized database system, one central entity handles all requests and data processing

• Data updates simple and quick

• Cheaper to manage and maintain

• Performance bottleneck under high concurrent requests

• Single point of failure


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Pour citer cette page: (Technology) 

ABROUGUI, M & al, 2022. Blockchain Technology. In Didaquest [en ligne]. <http:www.didaquest.org/wiki/Blockchain_Technology>, consulté le 21, novembre, 2024
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