20% off Yubikey5NFC $36 US (~$52 NZ) 5 Nano or 5C $40 US (~$58 NZ) 5C Nano $48 USD (~$70 NZ) + $5 USD (~$7 NZ) Postage @ Yubico

Yubico is offering 20% off various products in their store.

Currently the best option for account security if a website offers support. There is an Android app to support normal Time based 2FA(TOTP) which can be unlocked via NFC.

It's recommended to purchase 2 and set them both up and safely/securely store the spare.

You can order up to 3 'individual' keys, just add them separately to your cart. (not as a pack)

The NFC version is ideal for use with mobile devices.

via failbike on OzBargain