Data Availability

Simple Definition of Data Availability
Fraud Proofs
  • Data availability refers to the ability for transaction data to be made available for nodes to download.
  • Blockchain Nodes
  • "Data availability" and the "data availability problem" are terms used to refer to a specific problem faced in various blockchain scaling strategies.
  • The data availability problem asks: how can nodes be sure that when a new block is produced, that all of the data in that block was actually published to the network?
    • The dilemma is that if a block producer doesn't release all of the data in a block, no one could detect if there is a malicious transaction hidden within that block.
    • Block Producer
  • For more information about data availability, this post by Celestia Labs co-founder Mustafa Al-Bassam is a good place to start.