*Discount activated with valid Gandi account. Applies to a max of three (3) keys per order per customer. Valid for use with single keys only, including YubiKey 5, YubiKey 5 Nano, YubiKey 5C, YubiKey 5C Nano, and Security Key by Yubico. Cannot be combined with other offers and coupon codes. Standard shipping and handling rates apply. Not valid for customers shipping to China, Afghanistan, Russia, Ukraine, North Korea, Iran, Sudan or Syria. Not valid for resale or shipment to freight forwarding companies. Promo ends 12:00am PT, April 3, 2019.