e.g. see www.supergenpass.com (who use an identicon as a visual hash of your passphrase for verification, rather than a 4-digit code, so might be easier to reco

e.g. see www.supergenpass.com (who use an identicon as a visual hash of your passphrase for verification, rather than a 4-digit code, so might be easier to recognise) I'm personally a big fan, at least for low-importance logins. As other commenters have mentioned, there are definitely security trade-offs that need to be considered.