Security Now

Dec 26th 2017

Security Now 643

The Story of Bitcoin

How Bitcoin works
Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 20:30 UTC.
Guests: Tom Merritt
Category: Help & How To

In this special rebroadcast of Security Now from February 9, 2011, Steve Gibson explains, in detail, exactly how Bitcoin works. 

Download or subscribe to this show at

You can submit a question to Security Now! at the GRC Feedback Page.

For 16kbps versions, transcripts, and notes (including fixes), visit Steve's site:, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.

Bandwidth for Security Now is provided by CacheFly.