I have never used electronic signature solutions, but generally open source ones are worried about being cracked, and there are many commercial solutions.
Second question
Is there any national standard for electronic contract encryption?
"Electronic Signature Law of the People's Republic of China"
I have never used electronic signature solutions, but generally open source ones are worried about being cracked, and there are many commercial solutions.
Second question
"Electronic Signature Law of the People's Republic of China"