No computer at the moment, so I have Wallets at two independent websites. I sent millibits from one wallet to the other. I hear that you have to use your private key to do that. So, I guess that site created the private key for me, and they control it? I certainly don’t know what it is.
1 Answer
Yes, when you use an online wallet service, you are trusting the website operator to generate and maintain your private key(s) for your account.
There is a saying that goes something like, "Unless you hold your own private keys, your bitcoins aren't really yours."