CK's Cold Dive

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Idealized Models for FreeListen now (30 min) | In which I talk about stealing the notion of parametricity from functional programming to define idealized models of cryptographic…
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Sketches of Meta-CryptographyListen now (26 min) | In which I describe some very early research thoughts about so-called "meta-cryptography": the analysis of cryptographic models…
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Procrastinating on my Master's ThesisListen now (26 min) | In which I talk about some research I intend to undertake this semester, from threshold ECDSA, to bulletin boards, to robust…
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Cool Another Interesting Threshold Signature In The HouseListen now (32 min) | In which I talk about CAIT-SITH, and why it's a pretty cool threshold ECDSA scheme with good implementation ideas and performance.
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January 2023

2023 is the New 1971Listen now (30 min) | Or why AI will not cause the economy to grow a bajillion times by 2030
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November 2022

They Don't Know about Non-Interactive MPCListen now (32 min) | In which I rant about how much mindspace Homomorphic Encryption occupies, and how this is similar to Machine Learning vs…
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October 2022

Bulletin but not BoredListen now (33 min) | Why alphabetical references are better than numerical, why round complexity is of limited utility, and more!
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Threshold ECDSA in Excessive DetailListen now (78 min) | In which I talk about ECDSA, and various ways of thresholdizing it.
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Some Thoughts on Threshold SignaturesListen now (34 min) | In which I give a high level overview of threshold signatures and how they work.
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September 2022

On Comparing SNARKsListen now (35 min) | Why it's difficult to compare SNARKs together, and why it would be nice to have a centralized table benchmarking and comparing…
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What is security?Listen now (40 min) | What do we mean when we say some piece of cryptography is secure? What are cryptographic assumptions? How does modelling security…
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Thoughts on the Fiat-Shamir TransformListen now (45 min) | In which I explain what the Fiat-Shamir transform is, and go over some thoughts on good ways to implement it in practice.
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