In this video, Chris DeRose gives a refresh on the classic "What is Bitcoin" talk, with added info about the 2.0 technologies, and the commodity value of Bitcoin. This talk was for an audience at IT Palooza at Nova South Eastern University on December 4th, 2014.
https://www.youtube.com/watch?v=MnRNv4x8G5s
A total of 174,100 tonnes of gold have been mined in human history, according to GFMS as of 2012. This is roughly equivalent to 5.6 billion troy ounces or, in terms of volume, about 9261 m3, or a cube 21.0 m on a side.
Since Bitcoin is often compared to gold, total number of bitcoins matches total amount of gold mined in human history which can be imagined as a cube 21 m on a side.
There is x4 more silver, so 84 mio Litecoins
