What is the meaning of virtual currency
the first category is familiar game currency. In the era of stand-alone games, the protagonist accumulates money by knocking down the enemy, entering the gambling house to win money, and using these to buy Herbs and equipment, but it can only be used in his own game console. At that time, there was no "market" between players. Since the establishment of Internet portal and community, the realization of game networking, virtual currency has a "financial market", players can trade game currency
the second type is the special currency issued by the portal website or instant messaging service provider, which is used to purchase the services in the website. The most widely used is Tencent's q-coin, which can be used to purchase membership, QQ show and other value-added services
the third kind of virtual currency on the Internet, such as bitcoin (BTC), Fuyuan coin (FTC) and Wright currency (LTC). Bitcoin is an electronic currency proced by open-source P2P software. Some people also translate bitcoin as "bitcoin", which is a kind of network virtual currency. It is mainly used for Internet financial investment, and can also be directly used in daily life as a new currency.
virtual currency is different from check and wire transfer. The value that virtual currency can't realize can't be transferred by bank. At present, it can only circulate in the network world. Virtual currency is released by various network organizations, and there is no unified issuance and management standard
according to incomplete statistics, there are no less than 10 kinds of network virtual currency (referred to as network currency) currently in circulation, such as Q currency, u currency, network currency, bubble currency, cool currency, Warcraft gold coin, Paradise currency, Shanda counting, etc. Take Q coin as an example, there are more than 200 million users. Instry insiders estimate that the domestic Internet has a virtual money market scale of several billion yuan per year, and is growing at a speed of 15% - 20%.
I haven't heard of the saying "the sub currency of virtual currency". I don't know if you are talking about the bifurcation of virtual currency. For example, Ethereum and ethereal classics, bitcoin and bitcoin cash, etc. (if you want to know more, you can go to coin easy to have a look), is that what you mean
bifurcation refers to the community's disagreement when the blockchain network is "upgraded", which leads to the blockchain system being divided into two and the emergence of two different blockchains, as shown in the figure below
naturally, a new token appears in the new blockchain, which is what we call bifurcation coin. For example, in July 2017, in order to solve the congestion problem of bitcoin blockchain, several different solutions were proposed, which led to the bitcoin blockchain split in two and formed a new currency BCH (bitcash)
to some extent, BCH is the child of bitcoin, because it was born from the original system of bitcoin
In addition, bifurcations can be divided into "hard bifurcations" and "soft bifurcations", or take bitcoin as an example:1. Hard bifurcations refer to the fact that the old node refuses to accept the blocks created by the new node when the bitcoin code changes. The blocks that do not conform to the original rules will be ignored, and the miners will create new blocks after the blocks they finally verify according to the original rules
2, Soft bifurcation can be compatible both backward and forward
although blockchain forking will not split your currency in two, it may also proce a new currency on the basis of the original, but blockchain forking is not good news most of the time, because it represents great differences in the community
of course, not all blockchains will have forks, and most of the forked currencies appear in digital currencies adopting POW consensus mechanism