Headline: Curve accuses PancakeSwap of copying StableSwap code — both teams open to talks
Curve Finance has publicly accused Binance Smart Chain DEX PancakeSwap of copying parts of its StableSwap implementation without complying with the software license. The allegation was posted on X on March 6, where Curve said PancakeSwap used logic from Curve’s StableSwap “without asking,” calling the action a license violation and warning that similar unlicensed reuse has caused problems for other projects.
What Curve posted
- Curve’s X post included a screenshot highlighting the disputed code and suggested a file attribution listed PancakeSwap as the author even though the core logic stems from Curve’s StableSwap system.
- Quote from the post: “Looks like you copied our code without asking. It is violation of its license. Not only it is illegal: historically it showed to be unwise for those who did it this way in other regards.”
- Curve framed the issue as both legal and technical, cautioning that direct or improper copies of StableSwap code have in the past introduced vulnerabilities for forks and reimplementations.
Why StableSwap matters
StableSwap is one of Curve’s signature innovations: an automated market-maker formula tuned for low-slippage swaps between stablecoins and tightly pegged assets. It blends constant-product and constant-sum curve behavior to keep prices stable during trades. The model is widely used across DeFi and Curve’s contracts are open source — but the license requires proper attribution and adherence to its terms.
PancakeSwap’s response and context
PancakeSwap replied quickly, saying its team would contact Curve directly to discuss the matter. Curve welcomed the outreach and urged cooperation over conflict, adding in a follow-up: “Better to be friends and build together.” The dispute appears tied to PancakeSwap’s recent “Infinity StableSwap” upgrade announced earlier in March, which promises improved stablecoin pricing, lower slippage and dynamic fees.
Risks and possible outcomes
Curve warned that copying StableSwap code without correct handling can carry technical risks; past forks and reuses of similar systems have occasionally led to bugs or exploits. Legally, the paths forward include PancakeSwap obtaining the proper license terms or negotiating a collaboration with Curve. For now, both teams seem willing to talk rather than escalate publicly.
Why it matters for DeFi users
The incident highlights ongoing friction in open-source DeFi: innovations are broadly shared, but license compliance and careful implementation matter for security and project relationships. How Curve and PancakeSwap resolve this could influence future decisions by other teams considering reusing or adapting prominent DeFi primitives.
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