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.
Hi I 'm not fully knowledgeable in that area but I'm pretty sure you can reduce and increase the fee by a small margin which would alter its place in the blockchain I think. Just something to try.→