SushiSwap V3-style swap mechanics, explained
This page replaces unrelated template content with a single, consistent topic: how Ethereum swaps work in SushiSwap-style UIs (quotes, routing, slippage, approvals, gas), plus a practical security checklist.
Important: This site is not affiliated with SushiSwap. For the official app, use sushi.com.
Overview
SushiSwap is a decentralized exchange (DEX) and aggregator. Users swap tokens by submitting an on-chain transaction. A UI shows a quote (expected output), a route (which pools are used), and protections like slippage tolerance and deadlines.
Why quotes move
Quotes can change due to price movement, liquidity changes, and block-by-block updates.
Routing matters
Different routes trade off price impact, fees, and execution certainty.
Protect yourself
Use conservative slippage, verify token addresses, and keep approvals minimal.
Key concepts
Expected output is the quoted amount you may receive before protections. Minimum received is the floor based on slippage. Price impact is how much your trade moves the market due to limited liquidity. Approvals grant spend permission, and gas is the network fee to execute the transaction.
Posts
Focused articles about swap UX and on-chain mechanics.
Ethereum swap quote lifecycle
How quotes are built, why they change, and what “expected output” means in SushiSwap-style swaps on Ethereum.
Routing & liquidity paths
Route selection, hops, and price impact: how aggregators choose pools and why the path matters.
Slippage, minimum received & deadlines
How to set slippage, interpret minimum received, and avoid failed swaps during volatility.
ERC‑20 approvals & allowances
Approvals explained: spender addresses, limited allowances, revoking permissions, and safety checks.
Gas costs & execution on Ethereum
Gas estimate vs paid gas, EIP‑1559 basics, and practical ways to reduce swap costs.
Liquidity pools & fees (V3 concepts)
Concentrated liquidity concepts, fee tiers, and how liquidity depth affects price impact.
FAQ
Is this an official SushiSwap site?
No. This is an independent educational guide. For official product pages and policies, use sushi.com and docs.sushi.com.
What does slippage mean?
Slippage tolerance is the maximum acceptable price movement; it defines the minimum received amount before a swap reverts.
Why do I need an ERC‑20 approval?
Approvals let a smart contract spend tokens on your behalf. Prefer limited approvals and revoke unused allowances.
What is price impact?
Price impact reflects how much your trade moves the price based on liquidity depth and route choice.