Assertion: moviegoer | /r/CapableOf | display as a qr code
Facets:
Source sentences:
text: The moviegoer could present his or her public key as e.g. a QR code and the movie theatre could scan this code and use it to encrypt a random number, displayed as a QR code which the moviegoer has to scan and decrypt with his or her corresponding private key, then show the original random number.