For the area block chain technology is a good view. Don't send air coins. Sure, good, promising digital money products and so on after the test, before the air do not send. Digital money central bank can't support it, but you get the coin first. Don't do anything too speculative. 6. Keep a low profile and take into account the overall situation, so as not to cause mass events. 7. How are you doing? depending on the situation. Don't let the government get stuck.