It "provides protection" by not backing any data up anywhere, so if the phone it is on is wiped, the codes can't be recovered. It's a blessing and a curse, but

It "provides protection" by not backing any data up anywhere, so if the phone it is on is wiped, the codes can't be recovered. It's a blessing and a curse, but with a bit of work (like backing up all codes at creation time) it's a non-issue for me that I actually appreciate.