What may seem like a small difference is actually the key to understanding Bitcoin.

Estimate how much energy Bitcoin uses for yourself, and put the result into context.

Is there something special about mining nodes? If so, how can we tell?

Funds can get frozen in a Bitcoin Core wallet that hasn't synced. This article shows how to switch to Electrum.

Create an Electrum plugin with this step-by-step guide.

Use this technique to create a permanent wallet backup - in your brain.

Electrum's Console makes it possible to automate many kinds of tasks. Learn how with this in-depth guide.

The most famous number in money is no accident.

Mining is just one way to secure an electronic cash system.

Malware disguised as a Bitcoin Core can lead to catastrophic losses. Protect yourself on OSX with this step-by-step guide.