Have a Very Geeky Christmas: My Christmas Cipher Quiz

--

Well, just in case you get bored over the Christmas break, here is my Christmas Cipher Test. I have a £20 Amazon voucher for the first to tell me the answers to 30 of these:

1.Where would you find the alphabet of “123456789ABCDEFGHJKLMN PQRSTUVWXYZabcdefghijkmnopqrstuvwxyz”?

--

--

Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.