Gas Fees and Swap Costs: Where Your Tokens Actually Go
A network fee is one part of a swap’s cost. Follow a worked example and learn which charges are separate, embedded, estimated, or already paid.
7 min readIdeas worth understanding
The DeFiRouter field notes.
Ten in-depth guides to routing, swap costs, liquidity, and wallet safety. Practical context for people who use DeFi and the teams who build it.
Liquidity Pools and Smart Order Routing, Explained
Work through a pool calculation to see why trade size changes a quote and when splitting a route may help.
7 min read
What Is a DeFi Router? A Practical Guide to Swap Routing
Follow a swap from token selection to settlement, and learn what a route can tell you before any transaction is signed.
7 min read
DeFi Routing APIs: A Developer’s Integration Checklist
A reliable swap integration needs more than a quote endpoint. Use this checklist to design state, validation, permissions, and failure handling.
7 min read
Cross-Chain Swap vs. Bridge: Understand the Full Journey
A cross-chain swap may combine exchange and bridging across several systems. Learn to inspect the full route, destination asset, fees, and recovery path.
7 min read
Slippage vs. Price Impact: Know What Changes Your Swap
Your trade can move a pool’s price, and the market can move before execution. Learn how to tell those effects apart before accepting a swap.
7 min read
DEX Aggregator vs. DEX: How the Swap Experience Differs
A trading venue and a routing service solve different parts of a swap. Learn how to compare their actual execution paths.
7 min read
Token Approvals and Wallet Safety Before a DeFi Swap
A swap can leave permissions behind. Learn what each wallet request authorizes, how permits differ, and why disconnecting a site does not revoke an allowance.
7 min read
How to Compare DEX Swap Quotes Beyond the Headline Rate
The largest displayed output is only the start. Build a fair comparison that includes costs, permissions, minimum amounts, and the route’s assumptions.
7 min read
MEV and Sandwich Attacks: What Swap Users Should Know
Transaction order can change the result of a swap. Understand sandwich mechanics, minimum output, private submission, and the limits of common protections.
7 min read