rich1.0mbrochh (npub1c8…5h5s7)https://nostr.ae/npub1c80wmfpzc7dkghh93kxtrwpe5gdztynvnk2vy93ge68zmzwrm0yqq5h5s7njumphttps://nostr.aeThis much was already clear to me. So isn't it the same as a PGP key? What is new and special about DIDs?