Bitfinex is one of the largest and most advanced bitcoin trading platforms in the world. It supports the trading of virtual coins such as Ethereum, Bitcoins, Litecoin and Ethernet Classic, with a daily volume of over 3 billion yuan. Provide currency trading, dollar and currency transactions. Registration is very simple. In 2016, Bitfinex had about 120,000 bitcoin stolen through social media. Affected by this incident, bitcoin prices fell 20%.Advantage:Support the dollar transaction,A variety of transaction forms and functions.insufficient:Platform page layout does not meet the domestic user habits.