> If you don't send any of those coins out, there is no risk, no liquidity crunches, no liabilities whatsoever. If you don't send any of those coins out, there

> If you don't send any of those coins out, there is no risk, no liquidity crunches, no liabilities whatsoever. If you don't send any of those coins out, there are no profits for the exchange operator, either. Look at how Coinbase does everything more-or-less by the book, and barely makes money. Trading fees just don't cut it. Yet, some fly-by-night exchange incorporated in the Bahamas is offering wild signup bonuses and lower fees and yield that would make Scrooge McDuck blush.