DEX Volume Hits $474B in May, Second-Highest Ever
DEX volume surged to $474.1B in May 2025, driven by BNB Chain’s record-breaking $178.2B boost from airdrops and contests.

- May 2025 saw $474.1B in DEX volume, second-highest on record
- BNB Chain led with $178.2B, fueled by airdrop-driven activity
- User engagement via contests significantly boosted usage
The decentralized exchange (DEX) market witnessed an explosive month in May 2025, with total trading volume reaching $474.1 billion — the second-highest monthly total in the history of DEXs. This milestone signals a continued trend of users shifting toward decentralized platforms for trading, driven by incentives, user-friendly features, and growing distrust of centralized platforms.
The record continues to highlight the strength and maturity of the DeFi ecosystem, even amid broader market fluctuations.
BNB Chain Sets a New Record
Leading the charge was BNB Chain, which saw an all-time high of $178.2 billion in trading volume for May. This wasn’t just organic growth — the spike was largely powered by targeted airdrops, trading competitions, and incentive programs designed to attract users and increase activity on its DEX platforms.
These strategies have proven highly effective, drawing new users and encouraging higher transaction volumes. In a competitive DEX landscape, BNB Chain’s performance underscores how incentivized engagement can directly boost market share.
Airdrops and Contests Drive User Engagement
Airdrops and trading contests have become staple tactics for decentralized ecosystems looking to boost visibility and activity. For May, these efforts on BNB Chain helped it surpass its previous volume highs, becoming the most traded chain across all DEXs.
The data also hints at a broader DeFi trend: users are increasingly favoring platforms that reward participation and foster community interaction. With other chains likely to follow suit, expect more gamified and incentive-driven trading models to emerge in the months ahead.
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