Skip to content
Zomma Protocol logo
OptionsActive

Zomma Protocol Review: Is Its On-Chain Options Trading for You?

Zomma is a DeFi options protocol on zkSync Era and Arbitrum, offering European-style calls and puts. Trading costs, contract details and audit reports need closer checking before you commit funds.

By the SkyBitcoins review team · Updated

Quick take

Zomma may suit experienced DeFi traders who want European-style calls and puts on zkSync Era or Arbitrum, with cross-margin trading among the described features. Its main appeal is accessing options on-chain across two networks. Before depositing collateral, check the live fees, the exact contracts and the audit reports: Zomma does not identify the reports in the information reviewed here, and trading costs are not published.

Ratings

How Zomma Protocol rates

Trust
4.5/10
Track record, licensing, audits and how your funds are held.
Value
4.5/10
Fees, odds, rewards and bonuses: what you get for your money.
Usability
5.5/10
How easy it is to sign up, deposit, play or trade, and withdraw.
Transparency
6.0/10
How clearly the team, terms, fees and risks are disclosed.

Ratings run from 0 to 10 and use only facts we could check. Where the information isn't public we show n/a instead of guessing.

At a glance

Zomma Protocol key facts

Zomma Protocol key facts
TypeDeFi options protocol
ChainszkSync Era and Arbitrum
OptionsEuropean-style calls and puts
TokenNone listed
AuditsTwo listed; reports not identified
TeamNamed founders and team members
Value locked$79.8K−0.0% 7d
Updated

Is it for you?

Who Zomma Protocol suits

Good for

  • Experienced DeFi users looking to trade on-chain calls or puts
  • Options traders who want to compare zkSync Era and Arbitrum
  • Users exploring cross-margin options or Zomma's staking products

Not for

  • Beginners unfamiliar with options, margin or collateral liquidation risks
  • Traders who need published fees and a clear, easy-to-verify audit record
  • Users who want a simple spot-buying app rather than derivatives

What can you trade or do on Zomma?

Zomma is an on-chain options protocol on zkSync Era and Arbitrum. The product described on its site lets traders buy and sell European-style calls and puts, and it advertises cross-margin functionality. European-style options can generally be exercised at expiry rather than at any time before it, so understand the contract terms and expiry mechanics before trading.

Zomma also describes staking and yield mining as part of its wider product offering. These are distinct from options trading and bring their own risks; do not assume a staking position is protected from losses or can be withdrawn instantly. Check which products are actually available in the app on your chosen network, and read the protocol documentation before approving tokens. Options can lose value quickly, and margin can increase the size of both gains and losses.

How much could a Zomma trade cost?

Zomma does not publish its trading fee schedule in the information reviewed for this assessment. Its site promotes tight call and put spreads, but that marketing claim is not a substitute for checking the actual quote: the bid-ask spread and option price affect what a trade costs you. Look at the full order details before confirming, including any settlement or protocol charges shown in the app.

You will also need to account for network gas. Zomma describes a zkSync paymaster integration that can let traders pay gas with USDC, HOLD or other ERC-20 tokens rather than ETH. That does not mean transactions are free, and the feature is described for zkSync rather than both supported networks. Check the wallet prompt and the app's cost breakdown for each transaction. For yield products, read withdrawal conditions and any other charges before supplying assets.

What should you verify before trusting Zomma with collateral?

Zomma lists two audits, but the auditor names, report contents, dates and covered contracts are not identified in the information reviewed here. Treat the audit count as a reason to find and read the reports, not as proof that every contract or later update is safe. Smart-contract bugs, oracle problems and liquidation mechanics can still put collateral at risk.

The project identifies founders and other team members, and gives professional and crypto-industry backgrounds for them. Those biographies provide some transparency, but the claims are not independently verified here. Before connecting a wallet, locate the current contract addresses in Zomma's official documentation and confirm that they match the app. Review the terms and understand how collateral is held, how settlement works and what could trigger liquidation. Zomma does not provide enough detail here to establish its custody arrangements or a licensing status, so do not treat either as confirmed.

How do you get started on zkSync Era or Arbitrum?

Zomma names zkSync Era and Arbitrum as supported networks and offers separate app entry points for them. You will need a compatible wallet funded with assets on the network you choose. Zomma's site says its zkSync paymaster integration supports paying gas with USDC, HOLD and other ERC-20 tokens; confirm that the option is available for your wallet and transaction before relying on it. The information reviewed here does not establish mobile support, transaction speed or a particular wallet list.

A cautious start is to read the documentation, connect only through Zomma's official app, and verify the network and contract addresses before approving anything. Review token approvals and avoid granting broader permissions than needed. Begin with a small amount, check the quoted option terms and expiry, and make sure you understand how to close or settle the position. Do not deposit funds you cannot afford to lose.

Where does Zomma fall short for a cautious trader?

Zomma is aimed at users comfortable with derivatives, collateral and on-chain transactions; it is not a beginner-friendly substitute for buying an asset outright. The fee schedule is unpublished in the information reviewed here, and the audit reports are not identified, leaving two important due-diligence tasks to you. The site also does not establish the protocol's licensing status, custody model, or the details of withdrawal and settlement procedures.

The product has a defined focus—on-chain options—with two named networks and a team that provides biographies. That is useful context, but it does not resolve contract, liquidity or execution risks. Check whether the options you want have sufficient liquidity and compare the executable price with your expectations before trading. If you need transparent fees, independently verifiable audits or clear custody and withdrawal terms before using a service, wait until you can confirm those details or choose a protocol that publishes them more clearly.

4 steps

How to start with Zomma Protocol

  1. 1

    Read Zomma's documentation and terms, and find the audit reports and the contracts they cover.

  2. 2

    Choose zkSync Era or Arbitrum, then verify the network and contract addresses in the official app.

  3. 3

    Check the live option quote, expiry, collateral requirements, fees and gas before approving a transaction.

  4. 4

    Use a small test position first, and confirm how settlement and withdrawals work before adding more funds.

Zomma Protocol FAQs

What can you do with Zomma Protocol?

Zomma offers European-style call and put options, which users can buy or sell. Its site also describes cross-margin trading, staking and yield mining. Check the app and current documentation to confirm which products are available on your chosen chain.

Which networks does Zomma support?

Zomma lists zkSync Era and Arbitrum as supported chains. Its site describes paying gas with USDC, HOLD and other ERC-20 tokens through zkSync's paymaster integration. Confirm the current options in the app before connecting a wallet.

What fees does Zomma charge?

Zomma does not publish its trading fees in the information reviewed for this assessment. You should also account for network gas and any costs built into option pricing or spreads. Check the app's quoted price and transaction details before confirming a trade.

Is Zomma Protocol audited?

Two audits are listed for Zomma, but the audit firms, reports and covered contracts are not identified here. An audit does not eliminate smart-contract risk. Review the actual reports and verify that they cover the contracts you plan to use.

Who is behind Zomma Protocol?

The site names team members and describes their backgrounds, but those claims are not independently verified here. Before depositing collateral, review the protocol documentation, contract addresses and audit reports, and start with an amount you can afford to lose.

Compare

Zomma Protocol alternatives

All alternatives

Bumper

Options

Score 7.2 out of 10

Bumper offers eligible UK drivers up to nine months of 0% car-repair finance, but check the agreement for late fees and repayment terms.

Derive V1 logo

Derive V1

Options

Score 6.4 out of 10

Derive offers onchain crypto options and perps for experienced traders; check its fee schedule and margin rules before funding a wallet.

TVL $134K−0.1%Ethereum · Arbitrum · Optimism
Flat Money V2 logoScore 5.0 out of 10

Flat Money V2 offers options liquidity on Arbitrum and Optimism, but check its unpublished fees, withdrawals and variable-income risks before depositing.

TVL $1.05M−5.2%Arbitrum · Optimism
TYMIO logo

TYMIO

Options

Score 5.0 out of 10

TYMIO offers yield-bearing time-limit orders for ETH, WBTC and USDC, but check its fees, order terms and audit reports before using it.

TVL $197K−1.0%Arbitrum · Ethereum
Rysk V1 logo

Rysk V1

Options

Score 5.0 out of 10

Rysk V1 offers upfront option premiums, but your assets remain exposed to market moves and option obligations.

TVL $193K−0.0%Arbitrum · Ethereum · Hyperliquid L1
CallPut logo

CallPut

Options

Score 4.8 out of 10

CallPut offers synthetic crypto and stock options on Base, but unpublished fees and no listed audit make careful checks essential.

TVL $186K+1.9%Base

Same category

More Options dApps

Options rankings
Premia V3 logo

Premia V3

Options

Score 4.8 out of 10

Premia V3 offers peer-to-pool options on Arbitrum, but check current fees, markets and audit coverage before risking funds.

TVL $65.6K−87.7%Arbitrum
Pods Finance logoScore 4.7 out of 10

Pods Finance offers on-chain options and volatility-focused strategies, but verify the product, fees and contract details before using it.

TVL $389K−0.1%Polygon · Ethereum · Arbitrum
Hegic logo

Hegic

Options

Score 4.5 out of 10

Hegic offers on-chain ETH and WBTC options, but check its trade costs, contract details and limited audit information before using it.

TVL $9.09M+1.0%Arbitrum · Ethereum
Opyn Gamma logo

Opyn Gamma

Options

Score 4.5 out of 10

Opyn’s current site promotes complex perp markets; verify access, live markets, fees and audit details before connecting or risking funds.

TVL $935K−1.5%Ethereum · Avalanche · Polygon
Stryke CLAMM logoScore 4.5 out of 10

Stryke CLAMM offers concentrated liquidity for on-chain options, but unclear fees and no listed audits make careful checks essential.

TVL $176K−0.1%Arbitrum · Robinhood Chain · Sonic +3
Flat Money V1 logoScore 4.5 out of 10

Flat Money V1 offers Base-based options liquidity provision, but verify fees, withdrawal terms and audit details before depositing.

TVL $10−1.1%Base

Same chain

More on zkSync Era

zkSync Era rankings
Bitvavo logo

Bitvavo

Centralized Exchanges

Score 7.7 out of 10

Bitvavo offers euro funding, 400+ crypto assets and Pro Mode, but check withdrawal terms and the separate risks of staking and leverage.

TVL $311M−13.3%Ethereum · Bitcoin · Solana +9
Aave V3 logo

Aave V3

Lending

Score 7.6 out of 10

Aave V3 offers non-custodial lending and collateralised borrowing, but rates vary and deposits remain exposed to DeFi and liquidation risks.

TVL $15.8B+3.4%Ethereum · Base · Arbitrum +18
Uniswap V3 logoScore 7.1 out of 10

Uniswap V3 offers wallet-based token swaps and concentrated liquidity, but check pool fees, gas, execution risks and price-range exposure.

TVL $1.51B−2.5%Ethereum · Base · Arbitrum +38
Sablier Lockup logoScore 7.0 out of 10

Sablier Lockup offers flexible on-chain token vesting, but check its fees, supported network and contract risks before funding a stream.

TVL $1.75M−4.0%Ethereum · Polygon · Arbitrum +25
Bitget logo

Bitget

Centralized Exchanges

Score 6.8 out of 10

Bitget combines crypto trading tools with other asset products, but check fees, local access and custodial risks before depositing.

TVL $5.78B−0.1%Bitcoin · Solana · Ethereum +68
Drpc logo

Drpc

Infrastructure

Score 6.8 out of 10

dRPC offers managed multichain RPC and self-hosted tools; verify plan limits and security terms before relying on it for production traffic.

Ethereum · BNB Chain · Polygon +18

How we checked

Sources

  1. defillama.com/protocol/zomma-protocol(opens in a new tab)

Last updated . Spotted an error? Tell us and we will correct it.