wholesale silver opal jewelry supplier What is digital currency?

wholesale acrylic countertop jewelry displays Digital currencies are alternative currencies in the form of electronic currencies. They are a legal currency and must be issued by central banks. Digital gold coins and password currency belong to digital currencies. It is not a network virtual currency, because it is not limited to virtual space, but is often used in real goods and service transactions, such as Bitcoin, Litecoin, bit shares, etc. There are currently thousands of digital currencies issued in the world.

D digital currency launched by the central bank is a national sovereign currency, and it is a currency based on digital RMB. This is a piece of data generated by complex algorithms, which contains blockchain and encryption technology to make it unique. And Alipay and WeChat payment are not digital currencies, but they are based on payment based on electronic accounts. They must have physical currency as a corresponding offline. Compared with the "payment -transfer -transfer -receipt" pattern completed with the current third -party payment, the digital currency to realize is "decentralization", that is, the cancellation of the transfer section, and directly give the money from the payer's account to the receiver's account. , Reduce payment costs in currency circulation.

D digital currency type

The different category:

1, workload certificate (POW) R n
Proof of work. Obtain system rewards through computing power mining to complete the issuance and distribution of currency. It ’s hard. Such as Bitcoin and Litecoin (LTC).
The advantage of the cost of mining can form currency price support to a certain extent. Deadial is that energy consumption and environmental protection issues are criticized.

2, Classification of Equity (POS)
Proof of stake, also known as equity certificate. Based on the number and time of you hold cryptocurrencies, allocate new currencies or interest. Such as Dash (DASH) and NEO.
Compared with POW, POS is more energy -saving, but increases security risks.

3, the entrusted equity certificate (DPOS)
delegated proof of stake, POS evolutionary scheme. Similar to the board of directors, voting and decision -making through election representatives, election N bookmark nodes to make new blocks to create, verify, sign, and supervise each other. Such as grapefruit coins (EOS).
The advantages are efficient, and the problem is that it shows a state of half -center.

4, POW POS mixing mechanism
pow is mainly used to issue currency, POS is used to maintain the system. For example, some coins (PPC).

The project can also be divided into 4 categories:

1, currency
D digital currency issued by transfer, payment, and value storage. Such as Bitcoin, Bitcoin Cash (BCH), Monroe Coin (XMR), GRIN.

2, public chain category
public chain currency, that is, digital currency issued by the public chain project, is generally the "fuel" required for application projects on the public chain. Such as Ethereum (ETH), grapefruit coins, wave field (TRX), and ontology (ONT).

3, application class
Plip application tokens, that is, digital currency issued by decentralized application projects, equivalent to equity or points. For example, tender module (OMG, payment application), Gongxinbao (GXC, data application), 1ST (game application).

4, platform class
platform currency, that is, digital currency issued by digital currency exchanges, equivalent to equity, points or fuel. For example, coin (BNB), Huobi Global Ecological Points (HT), OKB.