UniSwap Review 2025 | Pros & Cons, Fees, and DEX Features

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What Is Uniswap?

Uniswap is the leading decentralized exchange (DEX) on the Ethereum blockchain, operating as a non-custodial, open-source platform with no central authority. This means it’s resistant to censorship and accessible to anyone with an internet connection and a crypto wallet. Unlike traditional exchanges that rely on order books, Uniswap uses an innovative automated market maker (AMM) model it pioneered. In this system, trades are executed through smart contracts rather than matching buyers and sellers.

The platform runs on two core smart contracts: the Factory contract, which enables users to list new tokens, and the Exchange contract, which facilitates token swaps. This architecture allows seamless trading of any ERC-20 token, making Uniswap a cornerstone of the decentralized finance (DeFi) ecosystem.

With versions evolving since its 2018 launch, Uniswap has continuously improved scalability, efficiency, and user control. The latest iteration, Uniswap v3, introduced in May 2021, brought advanced features like concentrated liquidity and a tiered fee structure—setting new standards in DEX performance.

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Who Founded Uniswap?

Uniswap was created by Hayden Adams, an engineer who transitioned from mechanical engineering at Siemens to blockchain development after being laid off in 2017. Inspired by Ethereum’s potential, he developed Uniswap with support from a $100,000 grant from the Ethereum Foundation. The project officially launched on November 2, 2018, based in New York.

Since then, Uniswap has attracted significant backing from top-tier investors including Andreessen Horowitz, Paradigm, Union Square Ventures, and ParaFi Capital, raising a $1 million seed round in April 2019.

Market Position & Adoption

As of 2025, Uniswap dominates the DeFi space with:

It consistently ranks among the top decentralized platforms by total value locked (TVL), currently holding around $10.44 billion, far surpassing competitors like SushiSwap and PancakeSwap.

Security & Decentralization

Uniswap inherits the robust security of the Ethereum network, leveraging its proof-of-stake consensus and decentralized node infrastructure. Because it’s non-custodial, users retain full control of their funds at all times—eliminating single points of failure or centralized hacks like those seen on Mt. Gox.

Smart contracts undergo regular audits, and the codebase is open for public scrutiny under the GNU General Public License v3. However, while the protocol itself is secure, users must remain vigilant against phishing attacks and fake tokens—a known challenge due to Uniswap’s permissionless listing model.

Governance & UNI Token

The UNI token empowers holders to vote on key upgrades, fee structures, and treasury allocations. This decentralized governance ensures long-term sustainability and community-driven development.

“Uniswap’s strength lies in its transparency and user ownership—no single entity controls its future.”

Addressing User Complaints

Despite its success, Uniswap faces criticism. On Trustpilot, it holds a low rating of 1.4/5 based on 108 reviews. Common complaints include:

It’s important to note: Uniswap does not have customer service agents who call users. Any such contact is a scam. Additionally, because anyone can list a token without approval, fraudulent clones of legitimate projects occasionally appear.

To mitigate this, Uniswap introduced token lists—curated registries where reputable projects can register their official tokens. While not foolproof, this system helps users identify authentic assets.

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FAQ: Common Concerns About Uniswap

Q: Is Uniswap safe to use?
A: Yes, Uniswap is built on secure Ethereum smart contracts. Your funds remain in your wallet unless you approve a transaction.

Q: Can I get scammed on Uniswap?
A: While the platform is secure, you can accidentally trade scam tokens since listings are permissionless. Always verify contract addresses before swapping.

Q: Does Uniswap have customer support?
A: No live chat or phone support exists. Help is available via FAQs and community forums like Discord and Reddit.

Q: Why are gas fees so high on Uniswap?
A: Fees depend on Ethereum network congestion. During peak times, gas prices rise. Layer 2 solutions like Arbitrum and Optimism help reduce costs.

Q: Can I lose money providing liquidity?
A: Yes—impermanent loss occurs when token prices diverge significantly. It’s essential to understand this risk before becoming a liquidity provider.

Q: Do I need to create an account?
A: No registration is required. Just connect a compatible wallet like MetaMask or WalletConnect.

Supported Tokens & Trading Pairs

Uniswap supports hundreds of ERC-20 tokens, including major assets such as:

Popular trading pairs include:

Liquidity pools enable direct swaps without intermediaries.

Fee Structure Across Versions

Uniswap has evolved its fee model significantly:

VersionFee Model
V1Flat 0.3% fee paid entirely to liquidity providers (LPs)
V2Introduced flash swaps; LPs still earn 0.3%
V3Tiered fees based on volatility: 0.01%, 0.05%, 0.3%, and 1%

In V3, LPs can choose custom price ranges (concentrated liquidity) to maximize capital efficiency. All fees go to LPs unless governance activates a protocol fee (10–25% of LP earnings), currently disabled by default.

Gas fees vary depending on Ethereum network load but remain the primary cost concern for users.

How to Use Uniswap – Step-by-Step Guide

  1. Go to app.uniswap.org
  2. Click "Connect Wallet" in the top-right corner
  3. Choose your wallet (e.g., MetaMask, Coinbase Wallet, WalletConnect)
  4. Approve the connection in your wallet app
  5. Once connected, click "Swap" to exchange tokens
  6. Select input and output tokens, enter amount, review price impact, and confirm

No KYC or email required—just wallet access.

User Experience: Desktop vs Mobile

Desktop Interface

Uniswap offers a clean, dark-mode interface with intuitive navigation. Though slightly less beginner-friendly than some rivals (like Trader Joe), most users adapt quickly. Key functions—swap, pool, NFTs—are accessible via a simple menu bar.

However, features aren’t always clearly labeled, requiring exploration. Privacy-focused users appreciate that no personal data is collected.

Mobile Access

Uniswap does not offer a dedicated mobile app to preserve decentralization principles. Instead, users access the platform via mobile browsers using wallets like MetaMask Mobile or Trust Wallet.

While functional, this lacks the polish of native apps—a trade-off for maintaining permissionless access.

Comparison With Other DEXs

Uniswap vs SushiSwap

FeatureUniswapSushiSwap
AMM ModelConcentrated Liquidity (V3)Standard liquidity pools
Trading Fees0.01% – 1% (tiered)0.3% flat
LP RewardsFull fee share0.25% to LPs; 0.05% to SUSHI stakers
TVL (2025)~$10.44B~$789M
Additional FeaturesNFT marketplaceBentoBox (lending/borrowing), Kashi

Uniswap leads in innovation and volume; SushiSwap offers broader yield opportunities.

Uniswap vs PancakeSwap

FeatureUniswapPancakeSwap
BlockchainEthereumBinance Smart Chain
Gas FeesHigher (Ethereum-based)Lower (BSC advantage)
Supported Tokens1,600+~200
ConsensusProof-of-StakeDelegated PoS + PoA
Native TokenUNICAKE

PancakeSwap wins on cost efficiency; Uniswap excels in security and token diversity.

👉 Compare DEX performance across chains—see what fits your strategy best.

Final Verdict: Is Uniswap Right for You?

Uniswap is ideal if you:

✅ Want full control over your crypto assets
✅ Seek access to a vast selection of ERC-20 tokens
✅ Aim to earn yield through liquidity provision
✅ Value decentralization and censorship resistance

While high gas fees and limited support remain drawbacks, ongoing Ethereum upgrades and Layer 2 expansions are addressing these issues.

For traders prioritizing security, transparency, and global access, Uniswap remains the gold standard in decentralized exchanges.

Always do your own research—and never invest more than you can afford to lose.