Yes, you can wear a money belt through security at most airports. However, it is important to remember that money belts are not foolproof and should not be relied upon as your sole method of protecting your valuables. There have been cases of people losing their money belts while going through security, so it is always a good idea to have a backup plan in place. Additionally, some airlines may require you to remove your money belt during the screening process, so it is always best to check with your airline before flying.