Nothing that will stop me playing but knowing the internet 'population' just a few things that popped into my head:
1. What account security will there be? As some accounts are already worth lots of real money so stealing these to sell on will be happening.
2. What anti-scum cheat software will there be? Again, knowing the less desirables will be in servers just to cheat people out of ships there needs to be a really robust system.
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"There is only one way to avoid criticism: do nothing, say nothing and be nothing." Aristotle