How to Use Uniswap: UNI Token Burn, Swap Fees, Fixing a Failed Swap

How to Use Uniswap: UNI Token Burn, Swap Fees, Fixing a Failed Swap

CryptoNakta · Uniswap help center and app source checked side by side · costs measured by me at the same moments · As of October 16, 2026

Uniswap lets you swap one token for another straight from your own wallet, with no account and no sign-up. You connect a wallet like MetaMask on a supported network, approve the token you’re selling, check the review screen and press Swap. The new tokens come back to the same wallet.

People keep asking whether that’s cheaper than Coinbase, and what the Fee line means now that it says Free. So in October 2026 I read Uniswap’s whole help center and its app code on one day. Then I priced the same ETH purchase on Uniswap and on two big exchanges at the same moments, and checked what real swaps paid in gas. Here’s what I found, plus every step and error message you’ll meet.

In this article (14)

Is Uniswap cheaper than Coinbase, and why does the Fee line say Free?What is Uniswap if there’s no account to sign up for?Uniswap fees vs Binance and Upbit: what we measured at the same momentsUniswap gas fees: what one swap on Ethereum cost over a yearWhich network do I withdraw on to use Uniswap? (TRC20 and TON aren’t on the list)How to cash out from Uniswap to a bank accountHow to use Uniswap, start to finishHow to use Uniswap with MetaMask, Trust Wallet or Coinbase WalletWhy does my first swap say Approve and swap, then ask for a signature?Price difference (old: price impact) and Max slippage are two different numbersUniswap swap failed? Not enough ETH, Swap failed and the other messagesIs Uniswap safe? Fake sites, a fake customer service phone number and fake tokensUNI token burn, the fee switch and why there’s no staking payoutMy take

Is Uniswap cheaper than Coinbase, and why does the Fee line say Free?

Uniswap can cost less than a big exchange, or more. Against Binance and Upbit, it depended on the network and the trade size. On Uniswap you pay a pool fee inside the quote, a network fee to the blockchain and a price difference. The Fee line says Free because Uniswap Labs has charged no app fee since December 27, 2025.

Coinbase wasn’t in our test, so I won’t guess its number. To compare, enter the same amount on its buy screen and read the total before you confirm. Below is how Uniswap’s cost is built, and what it came to next to Binance and Upbit.

Uniswap is a decentralized exchange (DEX), so no company holds your coins. You trade against a liquidity pool, a smart contract holding two tokens that other people deposited. They earn the pool fee, a small cut of the token you put in. It’s already counted in the amount the app says you’ll receive.

Line on the review screenWhat it isWho gets itCan it be zero?
Fee (shows Free)Uniswap Labs’ own app feeUniswap LabsZero in the web app and wallet since December 27, 2025. Solana swaps can carry a Jupiter fee
Pool fee (no line of its own)0.01% to 1% on v3 pools. Set per pool on v4Liquidity providers, plus a protocol share on v2 and v3No. It’s already inside the quote
Network costGas paid to process the transactionThe network’s validators, not UniswapNo. It’s charged even when the swap fails
Price difference (old: price impact)How far your own trade moves the pool’s priceIt isn’t a fee. It’s a worse average priceClose to zero on deep pools. Large on thin ones

So Free only means the app’s own cut is zero for now. Uniswap Labs said its pricing “will continue to evolve over time”, so read the Fee line on each swap. A zero Labs fee doesn’t make the swap free. The pool fee, the network cost and the price difference are still there.

The fee switch turned on in December 2025 didn’t raise what you pay on v2 and v3 pools either. The protocol’s share comes out of the existing pool fee. On a v2 pool the 0.3% now splits into 0.25% for liquidity providers and 0.05% for the protocol.

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What is Uniswap if there’s no account to sign up for?

Uniswap is a trading protocol on Ethereum and other networks. You connect your own wallet, swap against a pool, and the new tokens land back in that wallet. There’s no sign-up, no deposit, no withdrawal button and no phone line.

Three names get mixed up. The Uniswap protocol is the set of smart contracts. Uniswap Labs is the company that builds the apps, mainly the web app at app.uniswap.org and the Uniswap Wallet. UNI is the token holders use to vote on protocol changes.

Uniswap has no account and no balance of yours to hold. Your money sits in your wallet from start to finish. If you lose that wallet, nobody can give the coins back. And once a swap confirms, it can’t be reversed or refunded.

You don’t need to pick a protocol version. The app’s router looks across v2, v3 and v4 pools and picks a route for you. For this guide I read all 362 articles in Uniswap’s English help center on one day. I also went through its developer docs and the app’s translation files, which is where the button names below come from.

Uniswap fees vs Binance and Upbit: what we measured at the same moments

On October 16, 2026, we priced the same ETH purchase on Uniswap and two big exchanges at the same moments. All-in, a $100 swap on Uniswap came to 0.69% on Ethereum mainnet and 0.058% on Arbitrum, against 0.1% on Binance and 0.065% on Upbit. At $1,000, Binance came to 0.1% and Upbit to 0.065%.

We took 13 snapshots roughly ten minutes apart, between 15:00 and 16:52 UTC on October 15, 2026 (already October 16, 2026 in Korea). Each time we quoted Uniswap’s v3 USDC/ETH 0.05% pool on Ethereum, Arbitrum and Base. In the same minute we read Binance’s ETH/USDC order book and the top 30 price levels of Upbit’s ETH/KRW book. Upbit is a big Korean exchange that trades in won.

Each venue is measured against its own mid price. Exchange cost means the standard fee (0.1% and 0.05%) plus the spread and the depth of the book. For Uniswap we added the median network fee that real router swaps paid on that chain.

Our measurement, October 16, 2026 (Korea time): median total cost of buying ETH, with the lowest and highest of our 13 snapshots in brackets. Uniswap includes the network fee.

Trade sizeUniswap · EthereumUniswap · ArbitrumUniswap · BaseBinanceUpbit
$1000.69%
(0.68% to 0.69%)
0.058%
(0.058% to 0.059%)
0.055%
(0.054% to 0.057%)
0.1%
(0.1% to 0.11%)
0.065%
(0.065% to 0.096%)
$1,0000.11%
(0.11% to 0.11%)
0.052%
(0.051% to 0.052%)
0.052%
(0.051% to 0.055%)
0.1%
(0.1% to 0.11%)
0.065%
(0.065% to 0.096%)
$10,0000.065%
(0.063% to 0.065%)
0.058%
(0.057% to 0.058%)
0.069%
(0.068% to 0.084%)
0.1%
(0.1% to 0.11%)
0.065%
(0.065% to 0.13%)
$100,0000.13%
(0.12% to 0.14%)
0.13%
(0.12% to 0.13%)
0.24%
(0.23% to 0.26%)
0.12%
(0.11% to 0.13%)
0.12%
(0.065% to 0.15%)
Heat-map table of what buying ETH cost in our snapshots on Uniswap's Ethereum, Arbitrum and Base pools against Binance and Upbit at four trade sizes, with the network fee one Uniswap swap paid on each chainView full size ↗
Our own measurement at the same moments. One pool per chain, so the app’s own routing may do better.

On mainnet, small trades are where the network fee hurts. Of the 0.69% on a $100 swap, the network fee alone was 0.64%. At that size, mainnet cost about 12 times as much as Arbitrum. At $1,000 it fell to 0.11%, since the same fee was spread over more money.

Big trades change the picture. Without the network fee, mainnet’s pool cost rose from 0.05% at $100 to 0.13% at $100,000. That rise is the price difference, which is how far your own trade pushes the pool’s price. Binance and Upbit both came to 0.12% at $100,000.

The lowest median at $100 was Uniswap on Base (0.055%). At $1,000 it was Uniswap on Arbitrum and Uniswap on Base (0.052%). At $10,000 it was Uniswap on Arbitrum (0.058%). At $100,000 it was Binance and Upbit (0.12%).

These numbers are snapshots from one session, quoted from one pool per chain. The app can split a trade across several pools or UniswapX and beat our quote. Prices and gas also move.

One cost sits outside the table. On October 16, 2026, Binance charged 0.00005 ETH ($0.12) to withdraw ETH on Arbitrum. A $100 swap on Arbitrum cost about $0.058 in our test. So for a small first swap, the trip out of the exchange can cost more than the swap itself.

If you’d rather buy on an exchange, here are three that list UNI. Our Binance referral code guide covers signing up.

Binance

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Lists UNI spot pairs. Our Binance figures used its standard taker fee.

Bybit

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Code: 5ZGKX#0
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Lists the UNI-USDT spot pair.

Affiliate disclosure: some links are partner links. We may earn a commission at no extra cost to you. This is not investment advice.

Uniswap gas fees: what one swap on Ethereum cost over a year

On Ethereum mainnet, one Uniswap swap had a median network fee of $0.042 over the past year, counting only congestion. If we assume wallets added the tip we measured on October 16, 2026 to every hour of that year, the median becomes $0.41. On Arbitrum and Base, real swaps paid $0.0083 and $0.0045 on October 16, 2026.

A network cost, also called gas, is what you pay a blockchain to process your transaction. Uniswap doesn’t receive it, except for a share on Unichain. You pay it in the network’s own coin.

For the year we took every hour from October 15, 2025 to October 15, 2026. We multiplied that hour’s base fee by 173,742 gas, the median for real single-pool router swaps on mainnet. Then we converted at that day’s ETH price.

The surprise was the tip, an extra amount your wallet adds so a validator picks the transaction up fast. In 149 recent mainnet router swaps, the tip was a median 67.6% of the gas price paid. The median gas price was 1.5 gwei, against a median base fee of 0.27 gwei. Each median was taken on its own, so they don’t add up.

Bar chart of the network fee for one Uniswap swap on Ethereum over the past year, comparing the congestion part alone with the total once a wallet tip is added, from calm hours to the single worst hourView full size ↗
Our own calculation from a year of Ethereum base fees and real router swaps. Past data, not a forecast.

So in the swaps we checked, most of a mainnet swap fee was the tip the wallet picked. With that tip added to every hour, the year’s median comes out about 10 times the congestion-only figure. On congestion alone, a swap cost over $1 in 1.7% of hours, and the worst hour hit $53.11. With the tip added, it would have been over $1 in 3.8% of hours, and the worst hour would have reached $53.63.

Network fee per swap from real Uniswap router swaps, and Binance’s ETH withdrawal fee, both checked 2026-10-16. Gas tokens from Uniswap’s help center.

NetworkGas tokenOne Uniswap swap paid (median)Binance fee to withdraw ETH here
EthereumETH$0.64 (22 swaps)0.00015 ETH ($0.36)
ArbitrumETH$0.0083 (26 swaps)0.00005 ETH ($0.12)
BaseETH$0.0045 (37 swaps)0.00005 ETH ($0.12)
PolygonPOLNot measuredNot checked
BNB Smart ChainBNBNot measuredNot checked
Solana (web app only)SOLNot measuredNot checked

Some swaps go through UniswapX instead of a pool. You sign an order and outside “fillers” compete to fill it. They pay most of the gas and price it in. If nobody fills it within a minute, it expires at no cost. Our guide to gas fees explains base fee and tip in more detail.

Which network do I withdraw on to use Uniswap? (TRC20 and TON aren’t on the list)

To use Uniswap, withdraw on a network Uniswap supports. Ethereum, Arbitrum and Base all work. Send a little ETH on that same network too, because the swap needs gas. TRON (TRC20) and TON aren’t on Uniswap’s list, so coins sent there won’t show up.

Two phones on a wooden desk, one on an exchange withdrawal screen with network chips and an address field, the other showing a wallet receive QR code
The network picked on the exchange has to match the network the wallet will use on the swap app. AI-generated illustration.

From Uniswap’s network list, updated October 14, 2026 and checked 2026-10-16.

Network on the withdrawal screenIn Uniswap’s apps?Gas token to send along
Ethereum (ERC20)YesETH
Arbitrum OneYesETH
BaseYesETH
OptimismYesETH
PolygonYesPOL
BNB Smart Chain (BEP20)YesBNB
SolanaWeb app onlySOL
TRON (TRC20)NoCoins sent here won’t show in Uniswap
TONNoCoins sent here won’t show in Uniswap

That’s the usual reason USDT seems to vanish. Many people hold USDT on TRON because it’s cheap to send. Our guide on USDT on ERC20 and TRC20 explains the difference.

One wallet address works on all the Ethereum-style networks. A coin sent on Arbitrum does arrive, but it shows only when the wallet is on Arbitrum. If you picked the wrong one, see sent crypto on the wrong network.

On the exchange side it goes like this.

  • Copy the address from your wallet and paste it. Uniswap’s advice is never to type a wallet address by hand.
  • Pick the withdrawal network that matches the one you’ll swap on.
  • Withdraw some ETH on that network as well, even if you’re mainly moving USDC.

Send only USDC with no ETH and the app shows Not enough ETH. We only checked Binance’s withdrawal fees for this guide. On Coinbase, OKX or Bybit, match the network list on the withdrawal screen with the table above.

How to cash out from Uniswap to a bank account

You can’t withdraw from Uniswap to a bank account, because Uniswap never held your money. To cash out, send the coins from your wallet to an exchange deposit address on the same network and sell there. The app’s Sell option is the other route.

For the exchange route, copy the deposit address and pick the network the coins are on. Check that the exchange accepts that token on that network. Our guide to transfer fees between platforms covers what the trip costs.

In the app, go to Buy/Sell, then Sell. It only takes stablecoins and network coins like ETH. Robinhood and Coinbase are among the providers, along with MoonPay and Transak. Which ones you see depends on your region. The bank deposit can take several days.

How to use Uniswap, start to finish

Using Uniswap takes five steps. Fund your wallet on a supported network, open app.uniswap.org and connect, pick the tokens, approve if needed, then review and swap.

Flow chart of a Uniswap swap from start to finish: exchange to your wallet on a supported network, connect the wallet, approve and sign, review the fee lines, then swap and send back, with where people get stuck at each stepView full size ↗
There is no account at any step. The coins leave your wallet and come back to it.
  1. Get the token you’ll sell, plus some gas, into your wallet on one network.
  2. Type app.uniswap.org yourself or use a bookmark. Press Connect wallet.
  3. Pick the token you’re selling on top and the one you want below.
  4. If the button says Approve and swap, confirm the approval and the signature.
  5. Read the review screen, press Swap and confirm in the wallet.

The review screen is where the cost shows. Fee is the Labs fee, now Free. Network cost is the gas. Receive at least is the least you can end up with. A swap also has a deadline, 30 minutes by default, after which it reverts.

How to use Uniswap with MetaMask, Trust Wallet or Coinbase Wallet

To use Uniswap with MetaMask, open app.uniswap.org, press Connect wallet and choose MetaMask. Trust Wallet and Coinbase Wallet connect the same way. On a phone you can usually open the site in the wallet’s built-in browser or connect through WalletConnect.

A hand holds a phone showing a swap screen with two token boxes, a down arrow between them, a settings gear and a wide button, with a laptop chart behind
A swap screen has the token you sell on top, the one you get below, and a gear for Max slippage. AI-generated illustration.

Then check the network. The app and the wallet need to be on the same one. A zero balance for coins you know you have usually means the wallet is on another network. If you don’t have a wallet yet, our crypto wallet guide compares the types.

Picking the token is where people get caught. Anyone can create a token on Uniswap, and copies use the same name and logo. So use the contract address, the token’s unique address on that network. Copy it from the project’s own site or a block explorer and paste it into the search.

Uniswap’s help center puts it simply. “Use the contract address to be sure you are swapping the token you intend to.” If Impersonator token detected appears, stop and check again.

Why does my first swap say Approve and swap, then ask for a signature?

The first time you sell a token on Uniswap, the button reads Approve and swap. Your wallet then asks for an approval, a Permit2 signature and the swap. The approval and the swap each cost a network fee, while the signature is free.

A laptop with a swap page open and a wallet pop-up in front of it showing a shield icon and two buttons, a hand resting on the trackpad
The wallet window is where the approval and the signature are confirmed, so read what it asks before you press the button. AI-generated illustration.

An approval lets a contract move one specific token out of your wallet. Uniswap uses Permit2, a shared approval contract from Uniswap Labs. You approve the token to Permit2 once. The signature then lets the app use that token for 30 days, not just for this one swap, and after that the app asks you to sign again. Selling ETH skips all this, since only ERC-20 tokens like USDC need approval.

The approval usually gives Permit2 unlimited access to that token. A fake site that gets your signature can use it to move the token. You can cancel approvals later on a block explorer’s approval checker or on Revoke.cash, which costs gas. See how to revoke token approvals.

USDT and CRV make you cancel an old approval before approving a new amount. If an approval keeps failing on one of them, that’s usually why.

Price difference (old: price impact) and Max slippage are two different numbers

Price difference is how far your own trade moves the pool’s price, and Uniswap shows it with the quote. Max slippage is how much worse the price may get after you send, before the swap cancels. The app renamed price impact to Price difference in 2026.

Animation of a liquidity pool price curve. A small purchase barely moves the price, while a large purchase from the same pool slides far along the curve and gets a worse average priceView full size ↗
Illustration of the rule with round example numbers, not real data.

Take a pool with 100 ETH and 250,000 USDC as an example. It prices ETH at 2,500 USDC. Buying 1 ETH barely moves it. Buying 20 ETH moves it a lot, because each ETH you take makes the next one more expensive.

Slippage is the gap between the quote and what you finally get, caused by trades that land first. You set it under the gear icon, then Max slippage. On Auto the web app picks between 0.5% and 5%, based on network cost and trade size. Receive at least shows the least you’ll get with that setting.

App defaults and warning levels from Uniswap’s help center and app code, checked 2026-10-16.

Price difference (old: price impact)Max slippage
What it measuresHow far your own trade moves the poolHow much worse the price may get after you send
Who sets itNobody. The app shows it with the quoteYou, or Auto
App defaultNoneAuto: 0.5% to 5% on the web app, up to 5.5% in the wallet
WarningAbove 5%. Marked high at 10% or moreVery high slippage above 20%
Grows withTrade size against pool depthOther trades landing first, slow confirmation

Above 5% price difference the app warns you, and at 10% it marks it high. You can still go ahead with Swap anyway. Above 20% Max slippage the app shows Very high slippage, because bots can trade in front of you.

Raising slippage can stop a swap from failing, but you may then get that much less. A high price difference is a size problem, and a bigger slippage number doesn’t fix it. Exchanges have the same effect, covered in our guide to order book slippage.

The Uniswap Wallet’s Swap protection is on by default for mainnet. It sends swaps privately so bots can’t sandwich them. UniswapX orders can’t be sandwiched either. Uniswap’s docs don’t say what the web app does here.

Uniswap swap failed? Not enough ETH, Swap failed and the other messages

A Uniswap swap usually fails for one of four reasons. The gas token ran short, the price moved past Max slippage, the deadline passed, or the token blocks selling. A failed swap still pays its network fee, and you don’t get it back.

MessageWhat it meansWhat to look at
Not enough ETH (“You don’t have enough ETH to cover the network cost”)The gas token on this network is shortSend ETH on the same network. Using Max on ETH leaves nothing for gas
Not enough USDC (or another token)You’re selling more than this wallet holds hereThe amount, and which network the wallet is on
Enter a larger amountThe amount is too small to routeThe amount
No routes availableNo pool path for this pair on this networkThe network and the contract address
This swap may failThe app expects a revertA sell fee on the token, its warning label
Approve and swap greyed outOne of the lines above is blocking itThe message under the button
Swap failedThe web app couldn’t complete itReconnect the wallet, clear the cache for the site, hard refresh
Transaction is expected to fail (wallet)The wallet stopped a swap that would revertOften a sell fee or a token you can’t sell

Not enough ETH means too little gas coin on this network. ETH sent on another network won’t help, even to the same address. Swap failed is the web app’s general error. Uniswap says it “does not mean the swapper lost funds paying for the network cost”.

If an error keeps coming back, look at the token. Some take a fee on every sell, and your slippage then has to be above that fee. Rebasing, reflection and debasing tokens aren’t supported by the v3 and v4 routers, so those swaps fail. A token you can buy but not sell often shows Transaction is expected to fail. More attempts only add network costs.

A deadline failure usually means the fee was set too low and the swap waited too long. If a swap is still pending, see our guide to a stuck pending transaction.

Is Uniswap safe? Fake sites, a fake customer service phone number and fake tokens

Uniswap itself is a protocol that has run since 2018, and the main risks sit around it. Fake sites, fake support and fake tokens are the three to know. Uniswap Labs only offers support by email at support@uniswap.org. There is no customer service phone number.

A laptop shows a search page with a highlighted sponsored result on top while a phone lists tokens, two with the same coin icon and one flagged with a warning sign
A sponsored result above the real one and a token copying a familiar name and logo are the two traps to watch for. AI-generated illustration.
What it isHow it shows upWhat Uniswap says
Fake Uniswap siteA sponsored search result or a look-alike address asking you to connect and approveThe official app is app.uniswap.org
Fake supportA phone number on a random page, or a DM on Discord, Telegram or WhatsAppSupport is by email only. Labs never asks for your recovery phrase
Fake “Uniswap exchange”Asks you to register an account and depositThe protocol has no accounts
Fake tokenSame name and logo as a real tokenCheck the contract address
HoneypotBuying works, selling failsRepeated attempts only add network costs
Signature phishingA “claim” or “migration” page asking you to signA signature can move tokens approved to Permit2

Scammers buy search ads and register look-alike addresses. In February and May 2026, news reports described losses through sponsored results that led to copies of the app. Uniswap warns that approving a malicious contract on such a site “can result in a total loss of your tokens”.

Phone numbers posted under the Uniswap name aren’t Uniswap’s. Labs never asks for your recovery phrase, remote access or a transfer to another address. If someone got your phrase, see what to do when a seed phrase is exposed.

Anyone can list a token on Uniswap. The app flags some with labels like Impersonator token detected or Spam token detected, using data from Blockaid. The app’s token warnings help, but Uniswap Labs doesn’t guarantee they’re accurate. The contract address is still the real check.

A honeypot is a token you can buy but not sell, and its creators often pull the liquidity. Unknown airdropped tokens deserve the same caution. Our guide to a real airdrop or a wallet drainer shows the signs.

UNI token burn, the fee switch and why there’s no staking payout

UNI is Uniswap’s governance token. In December 2025 holders voted to turn on the fee switch and burn 100 million UNI from the treasury. Protocol fees now go toward burning more UNI, and holders get no payout.

Governance means UNI holders vote on protocol changes. The fee switch sends part of the pool fee on v2 and v3 pools to the protocol. It’s off for v4 pools and UniswapX, which would need a new vote. To burn a token is to send it to an address nobody controls.

The plan was called UNIfication. Its on-chain vote ended on December 25, 2025 with 125,342,017 UNI for and 742 against. Fees collect in a contract called TokenJar and can only be taken out by burning UNI. Uniswap’s governance FAQ says there are “no direct distributions of any kind”.

The burn sends UNI to the 0xdead address, so total supply still reads 1 billion. On October 16, 2026, our chain lookup found about 112.9 million UNI there.

From Uniswap’s governance docs and our own chain lookup, checked 2026-10-16.

ItemDetail
LaunchedSeptember 16, 2020, with an airdrop to past users
Starting supply1 billion UNI
Initial splitTreasury 43% · airdrop 15% · team 21.27% · investors 18.04% · advisors 0.69% · liquidity mining 2%
VestingFinished in September 2025
New issuanceUp to 2% a year is allowed. It has never been used
Circulating (docs, July 6, 2026)892,876,000 UNI
Burned so far (held at the 0xdead address)About 112.9 million UNI
VotingDelegate first. A proposal needs 1 million UNI, and passing needs 40 million For votes
Ethereum contract0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984
Pairs on exchangesBinance UNIUSDT and UNIBTC · OKX UNI-USDT · Bybit UNIUSDT

The fee switch pays for burning UNI. It doesn’t pay holders, and there’s no official UNI staking. UNI Rewards go to liquidity providers on some v4 pools. Exchange staking products for UNI are the exchange’s own.

Binance’s BEP20 UNI (starting 0xbf51) isn’t the same token as the BNB Chain UNI in Uniswap’s docs (starting 0x06e8). Check the contract before you send UNI anywhere.

My take

My take after measuring it is that the cheapest place moves with the network and the trade size. On Arbitrum and Base, Uniswap cost less than both exchanges on a $100 trade. Mainnet cost more than both exchanges at $100. At $100,000 an exchange order book beat every pool we quoted.

The gas result changed how I see mainnet. In the swaps we checked, most of a swap fee there was the tip the wallet picked. The congestion part over the past year had a median of just $0.042.

For a first swap, the order matters more than the numbers. Get the network and some gas token right. Open the official address yourself. Paste the contract address. Then try a small amount once to see each screen.

What I trust least sits around Uniswap. A “Uniswap exchange” that wants you to register. A search ad above the real result. A “support agent” who writes first. A signature request you didn’t expect.

There’s a fair case against it too. For a small first buy, an exchange is simpler and may cost less once you add the withdrawal fee. The app’s router may beat our single-pool numbers. And UNI voting gives most small holders little say.

This site earns from affiliate links to Binance, Bybit and OKX. Our comparison used each exchange’s standard fee.

Uniswap questions people ask

Q. How do I sign up for Binance, step by step?
1) Register with your email or phone on the official Binance site or app. 2) Complete identity verification (KYC). 3) Enable app-based 2FA for security. 4) Enter referral code CRYPTONAKTA in the referral field at sign-up to get an ongoing 10% discount on spot trading fees. Where direct fiat deposit is limited, buy a coin or stablecoin on a local exchange and transfer it in, or use P2P.
Q. How do I sign up for Bybit, step by step?
1) Register with your email or phone on the official Bybit site or app. 2) Complete identity verification (KYC). 3) Enable app-based 2FA for security. 4) Enter referral code 5ZGKX#0 in the referral field at sign-up to get a sign-up perk. Where direct fiat deposit is limited, buy a coin or stablecoin on a local exchange and transfer it in, or use P2P.
Q. Is Uniswap cheaper than Coinbase?
We didn’t measure Coinbase, so we can’t say. Against Binance and Upbit, the cheapest place changed with the network and the trade size in our snapshots. To compare with Coinbase, read the total on each screen before you confirm.
Q. What is the Uniswap customer service phone number?
There isn’t one. Uniswap Labs offers support only by email at support@uniswap.org. Phone numbers posted online under the Uniswap name are not Uniswap’s.
Q. How do I withdraw from Uniswap to my bank account?
Uniswap holds no balance, so there’s nothing to withdraw. Send the coins from your wallet to an exchange on the same network and sell there. Or use Buy/Sell, then Sell, in the Uniswap app.
Q. Why is Approve and swap greyed out?
The app shows the reason under the button. Usually it’s Not enough ETH for gas, coins on another network, an amount too small to route, or no route for that token.
Q. Why did my Uniswap swap fail, and do I get the gas back?
Usually too little ETH for gas, a price move past Max slippage, the deadline, or a token that blocks selling. The network fee isn’t refunded.
Q. Can I send USDT on TRC20 to use on Uniswap?
No. TRON (TRC20) and TON aren’t on Uniswap’s network list. Use a supported network such as Arbitrum, with some ETH for gas.
Q. Is Uniswap safe to connect my wallet to?
The official app at app.uniswap.org is, and connecting only shares your address. The risk is in what you approve or sign, and in fake sites from search ads.
Q. Is the price difference on Uniswap the same as price impact?
Yes. The app renamed price impact to Price difference in 2026. It warns above 5% and marks it high at 10%.
Q. How much UNI has been burned?
Holders voted in December 2025 to burn 100 million UNI from the treasury. On October 16, 2026, the burn address held about 112.9 million UNI.
Q. Is there UNI token staking?
No official one. The fee switch burns UNI and pays nothing to holders. UNI Rewards go to some v4 liquidity providers.
Sources

This guide explains how Uniswap works and what our own measurements showed. It isn’t financial advice. App screens change, so go by what your own screen shows.

Read next: how to check and revoke token approvals

Editorial standardsIndependent crypto editorial · honest, no hype · not investment advice.
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