Following Visa and MasterCard's move to biometrics, PayPal
now supports authenticating purchases with fingerprint
recognition.
Hence, police can now forcefully take user's fingerprints and
access their mobile computers and possibly empty their electronic wallets
in addition to their physical wallets.
For Taler, we advise users to protect their digital wallets using
passphrases.
Merchants taking credit card data from customers now have to additionally
fear banks suing them for losses. It is not suggested that the merchant
in question was not in compliance with PCI DSS security audit procedures.
With Taler, merchants never handle sensitive personal credit data, and
thus neither customers, exchanges nor governments would even have standing to
sue merchants in court. Thus, if a merchant system were to be compromised,
the damage would be limited to the merchant's own operations.