QKI virtual currency

1. 1. bitcoin 2, Ethereum: Ethereum is a kind of digital token of Ethereum, which is regarded as "bitcoin version 2.0". Using blockchain technology different from bitcoin, "Ethereum" developers need to pay Ethereum (ETH) to support the operation of the application. Like other digital currencies, they can be traded on trading platforms. 3. lettercoin: lettercoin (LTC, currency symbol:?) It is a kind of network currency based on "point-to-point" technology and an open source software project under MIT / X11 license. It can help users make instant payments to anyone in the world. 4. Dogcoin: dogcoin, known as "dogcoin / dogcoin", was born on December 8, 2013. Based on the crypt algorithm, dogcoin is the second largest virtual currency in the world after bitcoin in terms of number of users. 5. Yuan Bao coin: Yuan Bao coin is a virtual digital currency similar to bitcoin. The founder of yuanbaocoin is a group of bitcoin enthusiasts and the earliest supporters. However, after seeing the problem of bitcoin, he decided to do his best to develop an electronic currency suitable for Chinese people with the latest technology. 6. Diandiancoin: "ppcoin was pre released by sunny king on August 11, 2012 and officially released on August 19, 2012. Ppcoin's biggest innovation is that its mining method combines POW workload proof and POS equity proof. POS mining method only needs ordinary computers and clients to process transactions and maintain network security, so as to achieve the purpose of energy saving and security. 7. Katecoin: katecoin (KTC for short) is a virtual P2P digital currency that can be used all over the world. Point to point transmission means a decentralized payment system. 8. Quark coin: Based on six encryption algorithms (black, BMW, groestl, JH, keccak, skein), 9 rounds of super secure hash operation of virtual currency, 3 rounds of application of random hash function, quark coin has unique technical specifications. 9. Infinity coin: Infinity coin (IFC) is a new digital currency, which has more circulation advantages than bitcoin, and fills the short board of bitcoin in the field of commercial circulation and promoting commercial operation. 10. Common coin: common coin, English name popular coin, short for POC, was born on March 7, 2014. The total POC is close to the world population (7.057 billion).

2. SDR (special drawing right) generally refers to the special drawing right (SDR), also known as "paper gold". It was first issued in 1970 and distributed by the international monetary fund according to the shares subscribed by Member States. It can be used to repay the debts of the International Monetary Fund A Book asset that covers the balance of payments deficit between member governments
it is a right to use funds allocated by IMF to Member States. When a member state has a balance of payments deficit, it can exchange foreign exchange with other Member States designated by IMF to repay the balance of payments deficit or IMF loans. It can also act as an international reserve like gold and freely convertible currency. Because it is a supplement to the original ordinary drawing right of the International Monetary Fund, it is called special drawing right
at the time of initial issue, each unit was equal to 0.888 grams of gold, equivalent to the US dollar at that time. Special drawing rights are issued to supplement gold and freely convertible currencies to maintain the stability of the foreign exchange market
at present, the value of SDR is determined by the current exchange rate of a basket of currencies composed of US dollar, euro, RMB, Japanese yen and British pound, with the weights of 41.73%, 30.93%, 10.92%, 8.33% and 8.09% respectively
on November 30, 2015, the International Monetary Fund officially announced that RMB will join SDR on October 1, 2016

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