What is a Uniswap V2 swap?

It's trading one token for another via an AMM pool, using the x*y=k formula with 0.3% fee baked into reserves.

How to avoid slippage on Uniswap swaps?

Set tight amountOutMin, use exact-output for precision, or aggregate across DEXes.

Does Uniswap V2 charge fees on swaps?

Yes, 0.3% — stays in pool for LPs, no protocol cut.

Uniswap V2 Swaps: The Formula That Moved $1 Trillion Without a Single Banker

Uniswap V2 has swapped over $1 trillion in tokens since 2020, all thanks to a simple math formula etched in Solidity. But beneath the decentralized dream, who's really cashing in?

theAIcatchup Apr 10, 2026 4 min read

Flowchart of Uniswap V2 router to pair swap execution with constant product formula

⚡ Key Takeaways

Uniswap V2 swaps enforce x*y=k with a 0.3% fee via 997/1000 math, bloating pools for LPs. 𝕏
Price impact is inevitable math — big trades slip hard on constant product curves. 𝕏
V2 remains relevant but fading; V3+ dominates for efficiency. 𝕏

Published by

theAIcatchup

Community-driven. Code-first.

#AMM swaps #DeFi liquidity #DeFi mechanics #Uniswap V2 #constant product formula

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Originally reported by Dev.to

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