The standard client's wallet includes a key pool of 100 extra pre-generated addresses, which are the next ones to be "generated" when you ask an extra address.
Does the blockchain.info's backup wallet do such a thing, too?
Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minute to sign up.Sign up to join this community
No, it doesn't. At least not from what can be seen in the "Export Unencrypted" option and I doubt that it would be any different using the encrypted option.