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The Empty Vault

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A change to the certificates

We realise that you would probably like to print your cipher challenge certificates with your real names, but since we are very keen to protect your privacy, we don’t have them. To satisfy you and us, […]

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Ctrl alt (don’t) delete

We often get lovely emails from competitors telling us how much they have enjoyed the competition, but not many of them come with full colour images showing us what the team are up to. You will […]

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