Based on the existing answer and question, it appears that the individual is referring to using an old curve to swap Matic tokens to other coins instead of using Wmatic. This can be done using an older version of Curve, which is a decentralized exchange that allows users to swap tokens for other coins. This could be a more cost-effective option for those looking to swap their Matic tokens for other coins, as it does not require the use of Wmatic. However, it is important to note that this method may not be as secure as using Wmatic, and users should exercise caution when using this method.
