we do not share your data with anyone and there are many ways to control the visibility and storage life of your data here.
but the internet is a public space and you should always assume your data could be compromised.
be smart with your password, use tor or a vpn, and use pgp for sensitive communications.
As far as having it shipped to you if you live in the USA you should not have any problems since it is a schedule iv. As long as it is in personal quantities.→