if you are able to remember the method to create the signatures then you can do many things e.g a simplified digital signature. but if you can't remember a method then you can't ensure that someone else has forged a signature, because if you forget everything then you have the same information as anyone else and anything you can do, they can also do
if you are able to remember the method to create the signatures then you can do many things e.g a simplified digital signature. but if you can't remember a method then you can't ensure that someone else has forged a signature, because if you forget everything then you have the same information as anyone else and anything you can do, they can also do
apology for word salad