Learn – 21 Bitcoin

What is the Bitcoin Lightning Network?

March 30, 2025Learn

The Lightning Network is a network that runs on top of a blockchain to facilitate fast peer-to-peer transactions with almost zero transaction fees.

What’s The Problem?

January 13, 2025Learn, Video

In this video, Joe Bryan tells a story that helps you understand how the fiat money is a broken system, why it is the cause of most of the world's problems we face today and, most importantly, why Bitcoin is the solution. First published in Jan 7, 2025.

Bitcoin for beginners from Matthew Kratter’s Bitcoin University

January 10, 2025Learn, Video

Great video from Mathew Kratter. This post includes links to his site and YoTube channel where you'll find free videos with concise, objective and well explained Bitcoin content.

Who was Buckminster Fuller?

December 22, 2024Learn

I asked Claude Ai to write about Buckminster Fuller, here is the answer: Buckminster Fuller (1895-1983) was an American architect,…

19 benefits of Bitcoin that most people have never heard about

December 22, 2024Learn

From Daniel Batten published on X - September 11, 2024 Note: these are not hypothetical, or isolated benefits - but existing uses that are currently impacting an exponentially growing set of people

How Money & Banking Work with Lyn Alden

October 7, 2024Learn, Video

In this 30-minute explainer video, Lyn Alden takes a step back through history and looks into the intricacies of money and banking, offering an answer to an overlooked but extremely important question: What is money?

Quick 5 minutes introduction to How Bitcoin Works

August 25, 2024Learn, Video

This is a quick video explaining how Bitcoin works. It is quite technical and there are a lot of concepts packed in it so I recommend you go slowly, pause and rewind when needed.