PGP two-factor authentication 5

https://myfawkesmarketdarknetreview.nexorafield.com/posts/how-a-darknet-marketplace-uk-serves-privacy-focused-traders

PGP two-factor authentication layers your usual PGP key passphrase with a time-sensitive code from an authenticator app, ensuring you need both the physical key file and the current code to sign or decrypt even if someone grabs your private key file.