Yubico has a 50% off offer, when you buy 2.
yubikeys that qualify for this promo: FIDO U2F security key, Yubikey 4 and Yubikey Neo (offer not valid on type C or nano versions).
This deal has been up for the last week and a half, and was posted on Yubico’s facebook page. Currently stacks with free shipping offer, which also ends today 9-30-2017
Coupon Code: YK17SMART
Based on trying different combos in the cart, you must buy any 2 qualifying yubikeys, and you will get 50% off your order. If you have 3 or more qualifying keys in your cart, the discount will apply to the 2 highest cost keys.
I just picked up 2 security keys for $18, so not too shabby.
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