[tstegart]

I don't think that's a barrier to people exchanging large amounts of money. Granted, it could have been left off today for testing and asking for feedback, if that's what you mean. But in the long run it is needed to effectively complete the transaction and to keep out people who just want to browse and use up resources.

[klein0891]

Exactly, it is hard to validate a genuine user without an email address.

For now, you can enter a dummy email address and the system will let you in.