GnuPG (PGP) key
My current public GnuPG (PGP) key is 0xFE4274C2E6C25218 and the fingerprint is 16AC 53D2 9144 5025 B3A3 66E2 FE42 74C2 E6C2 5218.
Getting the public key
gpg --keyserver keys.riseup.net --recv-keys FE4274C2E6C25218
Please ignore an old key of mine (0x1CE0342F128566CA) which is no longer used. Unfortunately, I don't have access to it and I can't revoke it so I'm afraid it'll live forever in the servers... until the Sun becomes a red giant :-(
So, what is this GPG thing?
GnuPG (GPG) is a tool for secure communication which uses public-key cryptography. It allows to encrypt and decrypt documents, and authenticate documents with digital signatures.