The Gug Letter

The Gug Letter

Proof of Work (PoW) Explained

Bitcoin's Heart

Joe Guglielmucci's avatar
Joe Guglielmucci
May 12, 2021
∙ Paid
Share

In Today’s post, we are going to explain the basic mechanism and idea behind Proof of Work. This feature is integral to Bitcoin’s operations, and, in my opinion, a genius breakthrough for decentralized trust ecosystems built on open-source code.

Introduction to Blockchains — slides

Proof of Work is used to determine how the blockchain reaches consensus. In other words, how can the network b…

Keep reading with a 7-day free trial

Subscribe to The Gug Letter to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Joe Guglielmucci
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture