How does this work?  Part of me kind of hopes scammers are full of intricacies and subterfuge while making the impossible seem simple through charm and wit and distraction but here is what most of them seem to be:

Me: I'll trade you 10k scamcoins for 100 Realcoins

You:  That is a good price.  Ok!

Me: You send first

You: >SEND<

Me:

You:  Where are you?

Me:

You

Me:

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That's it isn't it? 

You guys better copyright your stories before David Mamet writes a play about you.