Subject

General

Cryptographic Hashes and Bitcoin

By Kalle Rosenbaum

This article discusses the basics of cryptographic hashes, which
are used all over the place in Bitcoin. Trying to learn Bitcoin without knowing what cryptographic hashes are is like learning chemistry without knowing what an atom is.

Slideshare: Digital Signatures and Bitcoin


slideshare-digital-signatures-and-bitcoin

By Kalle Rosenbaum

Why Should YOU Choose Python?

By Naomi Ceder

This article has been excerpted from The Quick Python Book, Third Edition.

Making Your Own Cat, Pixel by Pixel

By Melissa Ford, Sadie Ford, and Gabriel Ford

This article has been excerpted from Hello Scratch!

Building Your First Program

By Melissa Ford, Sadie Ford, and Gabriel Ford

This article has been excerpted from Hello Scratch! Learn to Program by Making Arcade Games

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