In version 2.0 username/password authentications can be enabled, both with or without certificates. Google Pay takes advantage of physical authentications such as fingerprint ID where available. However, to make use of username/password authentications, OpenVPN depends on third-party modules. For subsequent authentications, the user will provide . The larger Corktown facility increased the number of authentications. In 2015 it was used for 200 million authentications by 12 million citizens. Wireless 802.1X authentications do help with some protection but are still vulnerable to hacking.