    function rigidRedemption(address provider, uint256 eusdAmount,uint256 minAmountReceived) external virtual {
        depositedAsset[provider] -= collateralAmount;
        totalDepositedAsset -= collateralAmount;
+       require(minAmountReceived <= collateralAmount);
        collateralAsset.transfer(msg.sender, collateralAmount);
        emit RigidRedemption(msg.sender, provider, eusdAmount, collateralAmount, block.timestamp);
    }
