Cloudflare users now can claim Yubikey 5 series for only $10 and get up to 4 devices. You can do this offer via the Cloudflare dashboard.
You will receive redeem keys via email within three business days of your Cloudflare registered account, which you can then use to redeem Yubico vouchers on Yubico’s website. You can purchase Yubikey 5 or 5C models for $10, although the original price is 45 and 55 dollars, respectively.
I bought four Yubikey 5C devices from Yubico website and the parcel arrived in five days via UPS Global shipping service company.
In addition, you must pay VAT ( based on your home country’s policies rate ), duty fees, and shipping fees. For me, I paid 30 USD for shipping and handling from Sweden to Thailand and 730 baht for home delivery service to UPS Global shipping and logistics company.
Cloudflare provides you with the opportunity to claim this amazing offer via our dashboard before it expires. However, neither Cloudflare nor Yubico provides any notice of when this offer will expire.