Do you support hardware-based 2FA like Yubikey? November 02, 2020 01:56 No. Swan just supports authenticator apps as our 2FA method rather than hardware-based 2FA. Related articles What 2FA app do you recommend? How can I change the email address associated with my Swan account? What is cold storage? Can I choose which extended public key (xpub/ypub/zpub) addresses to withdraw to? Can I skip an address? Do you rehypothecate customers' Bitcoin?