Supersingular Isogeny Key Exchange for Not-Quite Beginners
I recently read a great introductory paper on Supersingular Isogeny Diffie-Hellman (SIDH) by Craig Costello and wanted to summarize just the math of it (with some simplifications) for myself. Hopefully this summary is clear enough to also be useful to people who aren’t myself.
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Siderophile: Expose your Crate's Unsafety
Confidential Transactions from Cryptographic Primitives
Bitcoin today publicly reveals how much Bitcoin is sent in every transaction. Some cryptocurrencies wish to make these values private by default, but this comes with some mathematical challenges. We explain here what it takes to construct confidential transactions, assuming a basic background in cryptography and algebra.