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“We already store data. In a database. It works well” (twitter.com)

847 points by susam · 2434 days ago · 351 comments on HN

Article summary

Jimmy Wales stated that Wikipedia already stores data in a database, which works well. This statement sparked a discussion about the use of blockchain technology. Some argue that blockchain is not necessary for Wikipedia's data storage needs. The conversation highlights the differences between databases and blockchain technology.

Main themes

  • Blockchain vs traditional databases
  • Consensus mechanisms
  • Merkle trees and hash chains
  • Trust and collaboration
  • Use cases for blockchain technology
  • Definitions and terminology

What commenters say

  • Git can be considered a type of blockchain due to its use of a Merkle tree and hash chain structure.
  • Blockchain technology is not necessary for Wikipedia's data storage needs, as a traditional database is sufficient.
  • The key innovation of blockchain technology is its consensus mechanism, not just its data structure.
  • The term 'blockchain' is often ill-defined and misused, leading to confusion about its actual benefits and applications.
  • A blockchain is only necessary when multiple entities need to collaborate and make decisions on shared data without trusting each other.
  • The use of blockchain technology should be evaluated based on its advantages over traditional methods, such as joint-ventures and contracts.
  • Blockchain technology is not a replacement for traditional databases, but rather a tool for specific use cases where trust and consensus are required.