Hey, I have Hardware wallet Trezor and I would like to ask u. I downloaded officialy mobile app - Trezor Suite Lite. Is it safe to put there my Public Key (XPUB)? There is some risk about security / privacy?
In terms of security, you are safe because it is impossible to obtain private key/s through the public key or (XPUB), therefore, even if you share them online, there is no risk to your lose your currencies.
In terms of privacy, without knowing how to hide your identity, some may be able to associate your bitcoin addresses with IP addresses and some other useful information that they may find from cookies. Just try to use a strong and reliable VPN to enhance your privacy.