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.
ugh bought btc on localcryptos yesterday via paypal. Paypal put a freeze on my funds for 24 hours after I sent it. In 24 hours the btc I bought basically plummeted in value and now I have to buy a quarter instead of a half :(→