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- Curve accused PancakeSwap of using StableSwap code without permission, citing license issues.
- The disputed CLStableSwapHook file showed no license set, raising concerns over code use.
- Curve offered PancakeSwap a licensing path instead of legal action to resolve the dispute.
Curve Finance issued a public accusation against PancakeSwap on March 6, 2026. The project claimed that PancakeSwap copied its StableSwap code without permission. Curve said the action violated its license. The dispute unfolded through Curve’s verified post on X.
Curve shared a screenshot of a file named CLStableSwapHook. The file listed PancakeSwap as the author. It also displayed a license field that remained incomplete. The placeholder said, “@license # TODO: Which license should we use?” Curve highlighted this omission as a critical detail.
Curve directly addressed the post to PancakeSwap’s official account. It stated that PancakeSwap has used the StableSwap mechanism without permission.
Curve also said that past events in DeFi had demonstrated such a course of action to be unwise. They emphasized how the license agreement had been clear.
Curve Finance Offers Licensing Path Instead of Legal Action
Curve did not announce a lawsuit. Instead, they proposed an alternative course of action for PancakeSwap. Curve stated that PancakeSwap still has the option of requesting a license. They also stated that collaboration is still possible, for legal reasons and for user safety.
The disputed CLStableSwapHook file appears within PancakeSwap’s concentrated liquidity infrastructure. It uses pragma version 0.3.10. PancakeSwap is credited as the author. The license field was left unresolved at the time Curve published its allegation.
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The file sits inside PancakeSwap’s Infinity StableSwap system. The exchange had expanded this system two days earlier. On March 4, PancakeSwap released AI-powered planning tools. These tools were built to work with Infinity StableSwap pools. The timing placed the new release close to Curve’s complaint.
CLStableSwapHook Draws Licensing Questions
Infinity StableSwap has a feature called “Hooks,” which alter the way the pool works using external modules. One of the modules is CLStableSwapHook.
It adds the StableSwap concept to the liquidity structure of PancakeSwap. There was no announcement made about this file. Also, there is no license statement at the end, which caused issues with Curve.
However, the existence of any formal agreement between the two projects remains unknown. It is also unclear if the hook is part of any agreement between the two projects. However, this has not been made clear by the projects.
There have been issues with the licensing of Curve in the past. In 2021, Curve had accused Saddle Finance of copying the StableSwap code line by line. However, there was a lack of independent development in the work done by Saddle Finance on the StableSwap code.
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