BTC has just reached $70,000, it's really strong. The biggest mistake in this bull market is buying a lot of altcoins. I still have to embrace #BTC☀ . The others are all younger brothers, the younger brothers. Brothers, if you open a contract now, is it better to open a long position or open a short position? #比特币大会 #BTC突破7万大关 #美国大选如何影响加密产业？