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Written by
Martin Petkov
Published on
August 13, 2025

What is Curve Finance and How It Powers Stablecoin Trading

Discover how Curve Finance keeps stablecoin trading running smoothly through low-risk, low-fee swaps and decentralized governance.

Table of Contents

Stablecoin trading is the engine of decentralized finance (DeFi), and this article explores how Curve Finance keeps it running smoothly through low-risk, low-fee swaps and decentralized governance. 

What is Curve Finance?

Curve Finance is a decentralized automated market maker (AMM) protocol, a type of decentralized exchange (DEX), tailored for stablecoin trading. Instead of using a traditional order book to match buyers and sellers, Curve enables token swaps through smart contracts and liquidity pools (LPs). This offers low slippage and minimal fees when trading similarly priced assets.

Launched in January 2020 by Michael Egorov, Curve has grown into one of the most influential protocols in DeFi, especially for users seeking efficient and low-risk stablecoin exchange.

How Curve Finance works

Curve uses an AMM model that relies on smart contracts rather than centralized intermediaries. Each Curve pool is a collection of tokens with similar prices, typically stablecoins, that users can swap efficiently.

Instead of matching buy and sell orders, Curve uses a pricing algorithm called StableSwap, which adjusts the swap rate based on the balance of tokens in the pool. It’s designed explicitly for assets with similar values, like stablecoins, allowing trades to happen with minimal price impact and slippage.

Here’s what distinguishes Curve from other DEXs:

  • It is optimized for low-volatility assets by focusing on tokens with similar prices, like stablecoins, which reduces risk and improves pricing efficiency.
  • It offers significantly lower trading fees through a streamlined design and stable asset pairs that don’t require high spreads to manage volatility.

  • It minimizes slippage, even for large trades, by concentrating liquidity around a narrow price range using its StableSwap algorithm.

Curve’s approach focuses on value precision instead of speculation opportunities to create an efficient trading environment for stablecoins like USDC, DAI, and USDT.

Table listing Curve Finance's key features and their characteristics.
Curve Finance key features

Smart contracts and pool types

Smart contracts on Curve manage everything: swaps, balances, rewards, and fee allocation. The platform supports several pool types, each designed for specific DeFi use cases:

  • Protocol upgrades and parameters

  • Liquidity gauge weights, which decide how CRV rewards are distributed across different pools

  • Fee structures and reward distribution

  • This structure ensures that those with a vested, long-term interest in Curve have a say in its future, aligning incentives between users and the protocol.

    Long-term alignment and the Curve Wars

    Curve’s governance system rewards long-term participation. Users who lock their CRV for longer durations gain more voting power and a larger share of platform fees. This has led to what the DeFi community calls the Curve Wars, a battle among protocols to accumulate veCRV and direct CRV emissions to their preferred pools.

    Why protocols compete for veCRV:

    • veCRV holders influence which liquidity pools receive new CRV token rewards

    • Controlling the flow of rewards can attract liquidity to specific pools

    • More liquidity in a specific liquidity pool means more revenue and more users

    This dynamic has made veCRV a sought-after governance asset in DeFi, linking Curve’s growth to the goals of those protocols seeking to benefit from it.

    Why Curve focuses on stablecoins

    Curve’s design focuses on stablecoins and other tokens that consistently trade at similar prices, such as different wrapped versions of the same asset (e.g., wBTC and renBTC). 

    Advantages of focusing on this niche include:

    • Low slippage for stablecoin trades.

    • Concentrated liquidity near the target price for smooth and efficient trades.

    • Low volatility to reduce risk for traders and liquidity providers.

    In short, instead of attempting to support all trading pairs, Curve concentrates on doing one thing very well: facilitating low-cost, efficient swaps for stable-value assets.

    This specialization has made it the go-to DEX for DeFi protocols requiring stablecoin liquidity.

    Total value locked and cross-chain support

    Curve consistently ranks among the top protocols by total value locked (TVL), a metric that reflects user trust and capital commitment. Its TVL reached 24B USD toward the end of 2022, and currently hovers around 2.25B USD, which puts it among the top 3 DEXs by TVL, just behind Uniswap and Raydium.

    Screenshot of a DeFiLlama interface displaying Curve Finance's TVL.
    Curve Finance TVL; Source: DeFiLlama

    The protocol also supports multiple blockchain networks and Layer 2s, including:

    • Ethereum

    • Arbitrum

    • Optimism

    • Polygon

    This multi-chain presence increases accessibility and reduces transaction costs for users operating outside Ethereum.

    Curve’s role in decentralized finance

    Curve enables composability and efficiency across DeFi. Many applications rely on Curve for stable liquidity, especially when building products that require dependable yield or low-risk swaps.

    Key integrations include:

    • Yearn Finance automatically moves user deposits through the highest-yielding Curve pools to maximize returns by optimizing yield strategies across Curve and other protocols.

    • Convex Finance boosts CRV rewards by aggregating user deposits and locking CRV on their behalf, making it easier for users to earn more and participate in veCRV governance without locking tokens themselves.

    • Lending platforms like Aave and Compound interact with Curve pools to enhance stablecoin liquidity

    These integrations help Curve function as a core building block for DeFi infrastructure.

    Summary

    Curve Finance is a decentralized exchange and automated market maker optimized for low-risk, stablecoin trading. It replaces the traditional order book model with smart contracts and liquidity pools, enabling efficient swaps between stable-value crypto assets.

    The platform introduced the CRV token as both an incentive mechanism and a governance token. Through the vote-escrow model, veCRV holders gain voting power and a share of platform fees, encouraging long-term engagement.

    With billions in total value locked, a stablecoin-centric design, and integrations across DeFi, Curve is a foundational layer of decentralized finance. Its role in enabling stablecoin trading, fee optimization, and governance makes it essential infrastructure for DeFi users and builders.

    Take this knowledge and turn it into skill: Dive deeper and learn to build with Curve on Cyfrin Updraft:

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