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Mina Protocol

MINA · Field entry
Smart-contract platformSmart contractsPrivacy

A lightweight proof-of-stake blockchain kept small with recursive zero-knowledge proofs

By

$0.07161.10%Snapshot · October 20, 2026 · updates live
Market cap
$92.65M
24h volume
$10.92M
Rank
#295
Circulating
1.29B MINA
Max supply
No fixed cap
All-time high
$9.09 May 31, 2021

MINA price chart

7-day snapshot. Chart data from CoinGecko.

What is Mina Protocol?

Mina is a proof-of-stake blockchain launched in March 2021 that uses recursive zero-knowledge proofs to keep the chain at a small, constant size, about 22 KB. Its smart contracts, called zkApps, run on the user's device and send only a proof to the network, which lets developers keep inputs private. MINA pays fees and is staked to secure the chain.

Utility Lens

What Mina Protocol actually does

Lets anyone verify the whole chain on a light device and lets apps prove facts about private data without revealing it.

Real-world usage
earlyPayments and staking are live and zkApps have been possible since 2024, but app activity is modest and capped per block.
Token necessity
essentialMINA pays fees and is staked or delegated to secure consensus.
Decentralization
moderateAnyone can stake or run a node thanks to the small chain, but o1Labs leads core development and upgrades.
Track record
provenMainnet launched in March 2021 and has since completed the Berkeley (2024) and Mesa (2026) hard forks; no major protocol hack appears in our sources.

How we rate

What it’s used for

MINA holders stake or delegate to block producers and pay fees for payments and zkApp transactions. Developers build zkApps in TypeScript with the o1js library, where private inputs never leave the user's device. Network capacity is still limited, with zkApp transactions capped at 12 per block after the 2026 Mesa upgrade.

Role of the MINA token:

gasstaking securitygovernance

Evidence of real use

Privacy: what’s hidden, what isn’t

Privacy model
app-level
What it hides
Private inputs to zkApp computations, which stay on the user's device and are replaced by a zero-knowledge proof.
What stays visible
Ordinary MINA payments, the fee payer's public key on zkApp transactions and any state a developer chooses to make public on-chain.
Reality check
Mina is not a privacy coin; only zkApp logic can be private, and only if the app is built that way. MINA is legal to own in the US and is offered by Coinbase, Kraken and Uphold.

Privacy coins, explained

How Mina Protocol works

Most blockchains grow every day, so checking them yourself takes more storage over time. Mina instead keeps a recursive zk-SNARK, a small proof that each new block is valid and so was every block before it. The project says this keeps the chain at about 22 KB, so a phone or browser can verify the network without trusting someone else's copy. Block producers are chosen by stake.

Smart contracts on Mina are called zkApps and are written in TypeScript with o1js. Unlike Ethereum, the logic runs off-chain on the user's device, which then sends a proof that it ran correctly. The network checks the proof and updates a few on-chain state fields. Developers decide which inputs and outputs are public; anything not marked public never reaches the network.

That design gives Mina an app-level privacy feature rather than private payments. Ordinary MINA transfers are not shielded, and each zkApp transaction still names a public fee payer. The September 2026 Mesa hard fork halved slot time to 90 seconds and raised on-chain state from 8 to 32 fields, though zkApp transactions are temporarily limited to 12 per block.

Key moments

  1. 2021Mina mainnet launches on March 23 as a 22 KB, proof-of-stake blockchain.
  2. 2022Coinbase lists MINA for trading in April.
  3. 2024The Berkeley upgrade brings zkApps, Mina's zero-knowledge smart contracts, to mainnet in June.
  4. 2026The Mesa hard fork goes live in September, cutting slot time to 90 seconds and expanding zkApp capacity.

Supply

MINA has no supply cap. About 805 million tokens were distributed at the 2021 launch under various lockups, and new MINA is created as block rewards for stakers and delegators. The original plan set inflation at about 12% in the first year, declining over time toward a long-run rate of around 7%.

Risks to understand

  • MINA is inflationary with no cap, so holders who do not stake see their share of supply shrink.
  • zkApp throughput is limited, which can hold back app adoption.
  • Core development is concentrated in o1Labs, so the network depends heavily on one team.
  • Hard forks such as Mesa pause the network for hours, and node operators and exchanges must upgrade in time.
  • Privacy depends on developers keeping data off-chain; a badly designed zkApp can expose information through its public state.

Mina Protocol FAQ

Is Mina a privacy coin?

No. MINA payments are public; privacy comes from zkApps that keep chosen inputs off-chain and send only a proof.

Why is Mina called the lightest blockchain?

It replaces the full history with a recursive proof, so the chain stays at about 22 KB however many transactions it records.

What was the Mesa upgrade?

A September 2026 hard fork that halved block time to 90 seconds and raised the limits on zkApp state, events and account updates.

Sources

  1. Mina's Mainnet Launch Marks a New Era for Internet Privacy and Data Security — Mina Foundation
  2. zkApps Overview — Mina Documentation
  3. zkApps: Design Decisions, Advantages, & Future Vision — Mina Protocol
  4. Mina Token Distribution and Supply — Mina Protocol
  5. Mina's Mesa Upgrade – What to Expect — o1Labs
  6. Welcome to Mesa: Mina's Latest Upgrade — o1Labs
  7. Mina mainnet upgrade unlocks privacy applications — Blockworks
  8. Mina (MINA) price page — Coinbase

Last reviewed October 20, 2026. Written by . Utility Lens ratings are editorial judgments, not investment advice. Market data from CoinGecko. Spot an error? Request a correction.

About the author

Dave McNaught has worked in IT since 1999 and founded All Business Technologies (ABT) in 2003, a Boston-area firm providing Managed IT, Cybersecurity, Managed AI, Web Design and App Development. He publishes The Crypto Guide.

Full bio