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# Wikipedia:

In 2010, Yubico began offering the YubiKey OATH and YubiKey RFID models. The
YubiKey OATH added the ability to generate 6- and 8-character one-time
passwords using protocols from the Initiative for Open Authentication (OATH),
in addition to the 32-character passwords used by Yubico's own OTP
authentication scheme. The YubiKey RFID model included the OATH capability plus
also included a MIFARE Classic 1k radio-frequency identification chip,[22]
though that was a separate device within the package that could not be
configured with the normal Yubico software over a USB connection.

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# Wayback Machine, 2009-12-07
# https://web.archive.org/web/20100102011037/http://yubico.com/news/091207/

Yubico launches YubiKey supporting OATH

2009-12-07

Yubico launches support for OATH, the open authentication initiative introduced
by VeriSign and designed to enable strong authentication for devices from
multiple vendors.

The OATH YubiKey is designed to generate event-based 6- or 8 digit One-Time
Pass codes (OTP) that work seamlessly in OATH eco-systems. The OATH YubiKey can
also be configured to automatically generate an OATH Token Identification
string.

With the dual-configuration functionality, the OATH YubiKey also supports the
proven YubiKey OTP mode, which offers a longer OTP and embedded timing
information.

Compared to OATH LCD tokens, the YubiKey is convenient in size, robust and does
not require any batteries. With the USB connection, the OTP and optional
identifier is automatically inserted in the OTP and identification fields.

The OATH YubiKey solution has been successfully tested by customers in the US
and Australia. Yubico does not provide any OATH back-end software or service,
but welcomes customers to contact the range of software providers supporting
OATH tokens.

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