Also you spent a lot of time on how banking works today, which was good, but for only a 20min presentation I think you should have dived more in depth on bitcoin from the beginning. I just say that cause they looked like older folks and they probably are very familiar with the USD and how it operates.
I think it was good to set the context by starting with our ridiculous money system. The audience clearly reacted positively to the Fed jokes at the beginning. The refresher course on how dollars are created was punchy, succinct, and reminiscient of Mike Maloney's
presentation to the Russian bankers in 2010.
Don't underestimate the complacency of older generations, either. They definitely can use a reminder as to where their dollars come from. : P
Overall, great presentation! If every bright young fellow (though isn't it dismaying that every major figure in the Bitcoin space seems to be male?) gives one of these presentations to a community, we'll have accomplished the Bitcoin Revolution within a decade!