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.
Hootan is right, about 16 days, although sometimes it can take longer but if a transfer gets stuck contact Transaxe support.
He's a good guy and responds well to a polite message.