Mina Protocol

by Mina Foundation / O(1) Labs

A lightweight, zero-knowledge blockchain protocol designed for privacy and scalability, enabling zk-enabled applications (zkApps) with a fixed-size chain and smart contract support.

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Quick Fact

Mina is the world’s lightest blockchain, maintaining a constant 22KB chain size and enabling zkApps—smart contracts powered entirely by zero-knowledge proofs.

The World’s Lightest Blockchain

Mina Protocol is a Layer 1 blockchain that uses recursive zero-knowledge proofs to maintain a constant-sized blockchain (~22KB), regardless of total transaction history. This makes Mina uniquely accessible—any user can run a full node, validate the network, and verify the latest state using only a smartphone or browser extension.

zkApps: Private, Scalable Smart Contracts

Mina introduces zkApps, a new type of smart contract built using zk-SNARKs. Developers write applications in TypeScript using a high-level framework called SnarkyJS, enabling on-chain programs that preserve user privacy and verify data without revealing the data itself. Use cases include private identity proofs, confidential voting, and regulatory-compliant DeFi.

On-Chain Privacy Meets Off-Chain Interoperability

Mina’s design allows developers to connect off-chain data (like identity, credentials, or financial info) to the blockchain without revealing the data itself. zkOracles make this possible by verifying off-chain data via proofs, keeping user info private while still verifiable on-chain. This opens new doors for real-world integrations across finance, identity, and governance.

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