Each time the sky "falls in" the present Team has kept a positive outlook and continued working, as far as I can see.  I think CoinExchange closing took everyone by surprise, and I believe the Team is looking for an exchange to fill the void (although B3 is still traded on CryptoBridge ... all be it under the name BIII due to the fact that when it got listed there they didn't accept numbers), but the main focus is of course building B3's own exchange, so ....