What is Lighter? The zero-fee ZK perp DEX, explained

Lighter is a decentralized exchange for perpetual futures and spot trading that runs a traditional order book inside a ZK rollup anchored to Ethereum. Its headline feature is that Standard accounts pay 0% maker and 0% taker fees. Its technical pitch is that order matching and liquidations are proven with zero-knowledge proofs, and that you can always withdraw through Ethereum, even if Lighter’s own servers go dark.

How Lighter works

Most perp DEXs pick one of two routes: run their own chain (like Hyperliquid) or run a fast off-chain engine with little to prove it behaves. Lighter takes a third route.

According to Lighter’s architecture docs:

• A sequencer orders incoming transactions first-in, first-out and executes them at exchange speed.
• A prover generates cryptographic proofs that each batch of trades followed the published rules, then aggregates them into one proof.
• Ethereum smart contracts hold user deposits and the exchange’s state root. They update state only after verifying the proof.
• Data blobs posted to Ethereum contain enough information for anyone to rebuild every account’s balance and positions.

The practical effect: the matching engine can’t quietly jump the queue, fill you at a price that breaks price-time priority, or liquidate an account that was actually solvent. The proofs would fail.

The escape hatch

If the sequencer ignores you, you can submit a withdrawal or a reduce-only order directly on Ethereum through a priority queue. If the sequencer fails to process it in time, the contracts freeze and enter “escape hatch” mode. Users can then use the data on Ethereum to prove what they own and withdraw it.

L2BEAT’s comparison of Lighter and Hyperliquid calls this permissionless exit a real advantage over rivals, with a catch covered below in the risks section.

What you can trade on Lighter

• Crypto perps: majors like BTC and ETH at up to 50x, with lower caps on smaller coins (for example 25x on SOL, 20x on XRP and HYPE, 10x on many altcoins, per the contract specifications).
• Real-world asset perps: Lighter lists markets on stocks, ETFs, gold, silver, oil and copper.
• Spot markets: a smaller set of spot pairs, which can share margin with perps if you enable a Unified Trading Account.
• Prelaunch markets: isolated-margin-only markets on tokens that haven’t launched yet.

Funding is paid hourly between longs and shorts, with no cut taken by the exchange.

Order types cover market, limit, stop-loss and take-profit (market or limit), TWAP, and advanced types such as Chase limit orders and atomic multi-market orders. Limit orders support post-only, reduce-only, good-til-time and immediate-or-cancel. Large traders on eligible markets can request quotes from market makers through perpRFQ.

What “zero fees” means on Lighter

Standard accounts pay 0% maker and 0% taker on perps and spot. That is real, but it’s not the whole cost of trading:

• Latency. Standard taker orders get a 300 ms delay, maker orders 200 ms and cancels 300 ms. Premium accounts get 140 ms on taker orders and no added delay on cancels and post-only orders. In fast markets, faster participants can move before your order lands.
• Spreads and slippage. You still cross the bid-ask spread and can move the book on large market orders, like on any order book.
• Funding. Paid or received every hour depending on your side.
• Advanced orders. RFQ orders carry a 1 basis point fee on Standard accounts per the perpRFQ docs, and Lighter’s referral page confirms Standard users pay fees for some advanced order types.
• Liquidations. If you get liquidated, Lighter can take up to a 1% liquidation fee that goes to its insurance fund.

The exchange earns money from Premium fees, liquidations and its LLP pool rather than from Standard traders. Our Lighter fees guide breaks down Premium, Plus and LIT staking tiers with worked examples.

Standard vs Premium: which account you need

	Standard	Premium
Maker / taker fee	0% / 0%	0.0040% / 0.0280% (before staking discounts)
Taker latency	300 ms	140 ms
Cancel latency	300 ms	No added delay
Best for	Manual traders, swing and position traders	Market makers, HFT, latency-sensitive API bots

Numbers are from Lighter’s fee page as of September 2026. There’s also a Plus tier aimed at API users who want higher rate limits and don’t care about latency.

If you click buttons by hand and hold positions for minutes or longer, a few hundred milliseconds rarely matters. Standard is the sensible default. Premium is for traders whose edge depends on speed. New users signing up through a referral link can try Premium for a week with fees rebated; see our Lighter referral code page.

Deposits and withdrawals

Deposits. Connect an EVM wallet at app.lighter.xyz and deposit. Lighter routes deposits from multiple chains, including Ethereum, Arbitrum, Base, Solana and others, and converts them into USDC or ETH on the exchange. Per the API docs, the minimum is $5 for a new account, and only USDC can back perp positions. Send a bit more than the minimum, since bridging and swapping can shave off a little.

Withdrawals. There are two routes:

• Secure withdrawal goes through Lighter’s Ethereum contracts. It is the trust-minimized path, but you’ll pay Ethereum gas and it takes longer, since funds become claimable only once the relevant proof is verified.
• Fast withdrawal is USDC-only, has a 4 USDC minimum, and pays out via Arbitrum.

Lighter doesn’t charge protocol deposit or withdrawal fees; you pay network costs. Check the amount shown in the app before confirming.

The LIT token

LIT is Lighter’s token. According to the LIT utility page, staking it:

• Lowers Premium trading fees by 2.5% to 30%, depending on how much you stake.
• Gives access to the LLP pool (up to 10 USDC deposited per LIT staked).
• Earns a staking APR, listed at 6% as of September 2026.

Unstaking has a 3-day lockup. The protocol uses fee revenue to buy back LIT on the market through daily TWAPs.

Risks worth knowing

• Upgradeable contracts. L2BEAT notes the team can currently upgrade Lighter’s contracts, including the proof verifier, with no delay. That undercuts the “trustless” story until a timelock or decentralized governance is added.
• Centralized sequencer. The operator still controls order flow timing, mark prices and liquidation timing. Proofs stop it from breaking the rules, not from making choices within them.
• Settlement at shutdown. If the escape hatch triggers, open positions are cash-settled at the last published mark price, which may not be where you’d choose to exit.
• LLP exposure. The LLP takes over positions of accounts that fall below close-out margin. If you deposit into it, you can lose money when liquidations go badly.
• Leverage. At 50x, a 2% adverse move wipes out your initial margin. Use stops and size positions so a normal wick can’t liquidate you.

Who Lighter is for

Lighter makes sense if you trade perps actively, want zero trading fees on Standard orders, and care about being able to withdraw without trusting the operator. It’s less suited to latency-sensitive bots that don’t want to pay for Premium, and to anyone uncomfortable with a young system whose contracts are still upgradeable by the team.

If you’re weighing it against the biggest competitor, read Hyperliquid vs Lighter. For the wider field, including RFQ venues like Variational, see our best perp DEX roundup. When you’re ready, open Lighter and start with a small deposit and low leverage.