最近几年电子商务平台十分火热，过去的一年里，我不知是有幸还是不幸，经历了一家新成立的电子商务公司兴衰全过 程，公司自行开发平台做线上交易，基于电商

Bitcoin is a form of digital currency, created and held electronically. No one controls it. Bitcoins aren’t printed, like dollars or euros – they’re produced by people, and increasingly businesses, running