The purpose of digital currency is to shake the dollar

1.

Digital money (electronic money or electronic currency) is a kind of money in digital form (different from paper money and coins)

it shows properties similar to physical currency, but it can allow real-time transaction and borderless ownership transfer. Examples include virtual currency, cryptocurrency and currency issued by central bank and recorded in computer database (including digital base currency)

like traditional currencies, these currencies may be used to purchase physical goods and services, but they may also be restricted in some communities, such as online games

digital currency is the currency balance that is electronically recorded on stored value cards or other devices. Another form of electronic currency is network currency, which allows value transfer on computer network, especially on the Internet. E-money is also a creditor's right to other financial institutions such as private banks or bank deposits

digital money can be centralized, that is, it has a central point to control the money supply, or it can be decentralized, that is, the control power can have different sources

2. Digital currency is the proct of currency development to a certain stage. The issuance of digital currency is mainly to make transportation more convenient and also concive to the supervision of the economy.

3. Digital currency is an alternative currency in the form of electronic currency. It is an unregulated and digital currency, which is usually issued and managed by developers and accepted and used by members of a specific virtual community. It is different from the virtual currency in the virtual world, because it can be used for real goods and services transactions, not limited to online games. The early digital currency (digital gold currency) is a form of electronic currency named after the weight of gold. Today's digital currencies, such as bitcoin, lightcoin and ppcoin, are electronic currencies created, issued and circulated by means of check sum cryptography

digital gold currency is a kind of electronic currency named after the weight of gold. The typical unit of measurement for this currency is the Troy gram or troy ounces, although sometimes the golden Dinar is used. Digital gold currency is funded by gold storage without quota or decentralized quota. By January 2006, digital gold currency suppliers held more than 8.6 metric tons of gold as reserves, worth about $154 million.

4. There is no necessary connection. It does not necessarily mean that the central bank will appreciate or depreciate the RMB against the US dollar if it tightens the currency. To meet the Marshall condition, tightening the currency now is mainly to prevent inflation