The most minimalist scam that I've seen to date is an email that reads:

I found a bug in E-bullion system, which allows you to double your e-bullion deposit in seconds! ... Please send me $50 E-bullion currency to my account ______, and write your email in the memo field. I'll send you the instructions by email. What I wrote is true, that really works!!!

The frightening thing is that you know that someone is going to fall for this one. And I really can't bring myself to feel sorry for anyone who does.