4 ms·

One can't. That's the whole point.

• roywiggins 11y ago
  It could have been signed with Satoshi's PGP key.
  • maaku 11y ago
    Which key is that? He never used PGP...
    • unimpressive 11y ago
      http://motherboard.vice.com/read/satoshis-pgp-keys-are-probably-backdated-and-point-to-a-hoax http://motherboard.vice.com/read/satoshis-pgp-keys-are-proba...
    • whoopdedo 11y ago
      Aren't bitcoin addresses public keys? If it's good enough for signing a blockchain transaction it should be good enough for signing a short email message.
      • askmike 11y ago
        Yes they are, and that's definitely possible as well.