Where I am, you get a message when it's been used, but obviously not any identifying information.

Also I have absolutely no way of knowing if the message is legit or they just tell you that a random time after your donation regardless just to make you feel good and donate again.

That's a HIPAA violation in the US. It's a huge mistake. Hospitals lose cases in the millions over one.

Where I give blood just tells you when its sent to a hospital and which hospital got it.

I'll do a quick look up of the hospital if its one I haven't seen before, but other than that I have no idea who got it.

Not in my country. I just give blood, get free chocolate and a day off work, that's all that matters to me.