Joshua Fitzgerald – Medium

Joshua Fitzgerald

Joshua Fitzgerald
in
Statebox

Elliptic Curve Pairings

I

Aug 31, 2019

Elliptic Curve Pairings

Aug 31, 2019

Joshua Fitzgerald
in
Statebox

Boolean Circuits in Libsnark

At Statebox we use category theory to model computation, where the objects of a category represent the possible states of a system and…

Aug 12, 2019

Boolean Circuits in Libsnark

Aug 12, 2019

Joshua Fitzgerald
in
Coinmonks

What are zk-SNARKs? Pairings (Part 1)

I’ve been diving deep into zk-SNARKs again. These objects are constructed out of many different parts with different functions, like an…

Jan 3, 2019

What are zk-SNARKs? Pairings (Part 1)

Jan 3, 2019

Joshua Fitzgerald

Matrices for coffee lovers. (Part 3: Inverses)

We’ve learned how to use matrices and matrix multiplication to represent recipes for coffee beverages in a tidy way. We can also use these…

Dec 4, 2018

Matrices for coffee lovers. (Part 3: Inverses)

Dec 4, 2018

Joshua Fitzgerald

Matrices for coffee lovers. (Part 2: Matrix Multiplication)

If you are seeing this for the first time, I highly encourage you to start with my previous article, Matrices for Coffee Lovers. (Part 1).

Dec 3, 2018

Matrices for coffee lovers. (Part 2: Matrix Multiplication)

Dec 3, 2018

Joshua Fitzgerald

Matrices for coffee lovers. (Part 1)

Big deal. It’s a box with numbers in it. Who cares?

Nov 28, 2018

Matrices for coffee lovers. (Part 1)

Nov 28, 2018

Joshua Fitzgerald

An Unexpected Approximation

I am not interested in facts. I could never remember them very well for school. Many grade-school students must memorize their times…

Oct 18, 2018

An Unexpected Approximation

Oct 18, 2018

Joshua Fitzgerald

Extras: Heron’s Method for Computing Square Roots

While writing my last article This is Not a Circle: The Extraordinary Algorithm of Liu Hui I came across a reference to rod calculus, the…

Oct 15, 2018

Extras: Heron’s Method for Computing Square Roots

Oct 15, 2018

Joshua Fitzgerald

This Is Not a Circle: The Extraordinary Algorithm of Liu Hui

This is not a circle.

Oct 8, 2018

This Is Not a Circle: The Extraordinary Algorithm of Liu Hui

Oct 8, 2018

Joshua Fitzgerald

What are zk-SNARKs? — A Problematic Homomorphism

The post on the Zcash blog gives a little example of a use of a homomorphic hiding. I wanted to recreate this example with the Unpadded RSA…

Mar 23, 2018

Mar 23, 2018

Joshua Fitzgerald

Joshua Fitzgerald

Joshua is a mathematician, educator, cryptographer, and developer. He is a developer at Heliax working on the @anoma protocol.

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