Suggestion for Digital Signature

For my clients, it would be important to have a stable routine for a digital signature.
The solution that is also delivered in the webinar tutorial is a patchwork and not stable. It often happens that in combination with iPad / Host in real use a file is created without name and content, so only .png with 0 byte. Furthermore, this solution has a big security problem and can be furred at any time. I think for a company like Netmake it should not be a big deal to develop a routine that is legal and stable, or am I mistaken?

It’s a great idea. it would be wonderful to integrate a well done signature management