The purpose of the Curve Founder's Wallet is to allow users to borrow USDC with CRV as collateral. This enables users to access liquidity without having to sell their CRV tokens and provides them with the opportunity to increase their financial flexibility. This type of borrowing is beneficial for users who may need to access funds quickly or who may not have the resources to purchase USDC directly. By using the Curve Founder's Wallet, users can access USDC without having to liquidate their CRV tokens and can use the borrowed USDC for a variety of purposes.