If you go that route, most people can't tell the difference between a person's signature and a different person faking their signature. By the way, in Spain pr

If you go that route, most people can't tell the difference between a person's signature and a different person faking their signature. By the way, in Spain printed-signed-scanned wouldn't be legally valid either, unless a notary has seen the original and can certify that it coincides with their own handwritten signature. Otherwise it's either original handwritten signature, or digital signature in a digital PDF file, or printed digital signature with a secure validation code that you can verify in some URL.