This would greatly increase the security of the application, it is a suggestion ...
If each contact has a public key, in case of being hacked, you would only understand the information of a user, you would not understand the information of all your users.
This would greatly increase the security of the application, it is a suggestion ...
If each contact has a public key, in case of being hacked, you would only understand the information of a user, you would not understand the information of all your users.