I think the Yubico 4 series would do what you want. They supports U2F, GPG, and PIV: https://developers.yubico.com/yubico-piv-tool/YubiKey_PIV_introduction.htm

I think the Yubico 4 series would do what you want. They supports U2F, GPG, and PIV: https://developers.yubico.com/yubico-piv-tool/YubiKey_PIV_introduction.html https://developers.yubico.com/yubico-piv-tool/YubiKey_PIV_in...