Featured Tutorials

Philly Crypto Jawn – Understanding Offline Wallets…and Building One

A live talk at a Philadelphia crypto meetup on understanding hardware wallets, and my project building a basic one from scratch.

View the slides here


DEFCON SafeMode – Building a Microcontroller Bitcoin Address Generator

My talk from this year’s DEFCON in Safe Mode, on building an open source, open hardware offline keypair generator for bitcoin, bitcoin cash, litecoin, ethereum, and digibyte.

View the slides here


Common Bitcoin & Crypto SCAMS (And How to Avoid Them)

Scams are common in the world of Bitcoin and cryptocurrencies. Learn about the 3 most common types of scams and how to avoid falling victim to them.

Read the article here