January 27, 2022, 1:23PM EST
• 12 min read

Mina Protocol: A Technical Overview

Quick Take

  • Mina protocol uses recursive zero-knowledge proofs to maintain a small blockchain size
  • The current size of the entire Mina blockchain is 22kb, although the actual on-chain size is closer to 11kb
  • Mina uses a modified version of the Ouroboros protocol, the proof of stake consensus developed by IOHK and is used by Cardano
  • Unlike typical blockchains, Mina’s nodes do not host the entire blockchain’s history
  • There are still various challenges that have not been addressed, such as the low transaction throughput, the lack of applications and developers, as well as limited smart contract capabilities

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