In Our Flawed and Untrusted World … Welcome to the Wonderful World of Range Proofs … And Instant Auditing

Towards a bulletproof world of cybersecurity

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We live in an almost untrusted data world!

We live in a flawed and untrusted financial world!

So, let me pose a difficult question first, and I’ll answer it at the end:

“Prove to me that the [UK] currently — at this point in time — has economic stability in its financial infrastructure!”

You can insert your own country within the brackets, or any organisation or ranges of organisations that you want. Before you call up your auditors, and get your accountants primed, let’s meet Angry Bob and Angry Alice …

Meet Angry Bob and Angry Alice

Bob applies for a loan from Alice The Lender, and she asks him for his salary. Bob says, “I don’t want to tell you that!”, and she says, “Well, you’re not getting a loan!”, and so Bob says that his salary is “One trillion dollars per year”, and Alice hangs up the phone. He calls her up again, and says sorry, and then says that his salary is “… somewhere between $60,000 and $100,000. Is that okay?”. Alice replies that this is fine and that his loan has been approved. “Can you now tell me your…

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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.