20200917: Basic knowledge of digital currency

 

• Industry chain
  • Upstream industrial chain: mining. The mining machinery industry has complete upstream and downstream enterprises, and even supporting enterprises have emerged. The production of a mining machine probably involves the following types of companies: chip design companies, chip factories, packaging plants, mining machine design companies, mining machine processing plants, etc. There are a large number of miners among their end consumers. In the field of mining machine production, there are mainly chip design, tapeout and packaging, and mining machine design and processing. The development of the mining machine industry has gone through the stages of CPU mining, graphics card mining, and mining pools.
  • Midstream industry chain: trading platform (represented by domestic Huobi ), information media (represented by domestic currency) and wallet ( official wallet bitcoin-qt, MutiBit, etc., hardware and software )
  • Downstream industrial chain: payment, financial management and other links
• The difference between digital currency and virtual currency
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