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So the first three layers can be solved with pen and paper, and for the fourth you might need a computer.

Do we still consider that encryption in this day and age? I know it technically is , but..



It's a fun little contest/PR thing/recruiting tool! (Maybe the headline should reflect that, @Dang?)

It's not like the PM is sitting there with a coin in hand, trying to decipher reports from the Australian Defence Forces....


In Australia soon that's the only encryption you'll be allowed.


Flip a coin, Heads or [REDACTED]?




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