EDC virtual currency
In 2016, the global ranking of virtual currency is respectively as follows:
< H2 > bitcoin, Leyte, Ecuadorian, reborn, bitstock, doggy, Diablo, futurecoin, diandiancoin and Xingxing < H2 > first place: bitcoinsince its release in 2009, bitcoin has become the most well-known virtual currency. This virtual currency was developed by indivials or organizations under the pseudonym of "Nakamoto Tsung" (whose real identity has always been unknown), and is mainly used by online merchants. However, in recent years, some small physical merchants have begun to accept bitcoin payment. Through complex algorithms and a large number of computing resources, users can obtain bitcoin through "mining". Of course, they can also purchase bitcoin through exchanges or services like bitinstagnt and coinbase. The total amount of bitcoin that can be mined is about 21 million, while the current mining amount has exceeded 11 million. Bitcoin has attracted the attention of Western Union, MoneyGram and paypal. It is reported that these services are evaluating whether users are allowed to use bitcoin on their respective platforms
< H2 > second place: lightcoinlightcoin is inspired by bitcoin (BTC) and has the same implementation principle in technology. The creation and transfer of lightcoin is based on an open source encryption protocol and is not managed by any central organization. Lightcoin aims to improve bitcoin. Compared with bitcoin, lightcoin has three significant differences. First, the lightcoin network can process a block every 2.5 minutes (instead of 10 minutes), so it can provide faster transaction confirmation. Second, the lightcoin network is expected to proce 84 million lightcoins, four times the amount of money issued by bitcoin network. Thirdly, the scrypt encryption algorithm first proposed by Colin Percival is used in lightcoin's workload proof algorithm, which makes it easier to mine lightcoin on ordinary computer than bitcoin. Each Leyte coin is divided into 100000000 smaller units, and the third place is defined by eight decimal places: Ecuadorian currency. In December 2014, Ecuador launched the "electronic currency system"
Ecuadorian currency, or EDC, which is a digital currency issued by the Central Bank of the government of Ecuador. In December 2014, the Ecuadorian market was launched, In 2015, the number of Ecuadorian currency members reached 500000, which will be recognized and sought after by investors after launching the European market and Asian market in 2015, and achieve a complete success. It will strongly launch the Chinese market at the end of September 2016, and will issue a limited number of 50 million pieces in China, which has a strong scarcity! This is an international hot topic with a wide range of admirers in the world. Historical currency is a kind of P2P digital code. Ecuadorian currency is not issued by a specific monetary institution. It is generated by a large number of calculations based on a specific algorithm. Ecuadorian currency economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions
decentralized encrypted digital currency has no issuing institution, and it does not belong to any indivial, institution, bank or country, so it cannot be shut down. Ecuadorian coin mining machine is mining 24 hours a day, and the extracted Ecuadorian coin can be traded through the trading platform to obtain profits. Ecuadorian coin mining refers to the scrypt algorithm, The process of collecting and sorting the transaction information that has not been recognized by Ecuadorian currency in the past period of time, broadcasting to all nodes in the whole network, and finally being recognized by all nodes and getting Ecuadorian currency. Mining is the only way to issue new currency, which plays an important role in issuing new currency, maintaining Ecuadorian payment function and ensuring system security
Like bitcoin, XRP is a digital currency based on Mathematics and cryptography. However, unlike bitcoin, XRP has no real purpose. XRP has the main function of bridging currency and ensuring security in ripple system, among which the function of ensuring security is indispensable, This requires that all gateways participating in this protocol must hold a small amount of XRPin theory, gateways don't need to buy many xrps, and their prices are very cheap. One XRP is only 0.4 cent (as of March 14, 2015, its price has risen to about 1 cent). Like bitcoin, the number of xrps can not be "over issued" (the total number is 100 billion), but since a small amount of xrps will be destroyed in each transaction, it means that the number of xrps will graally decrease. If ripple protocol can become the global mainstream payment protocol, the gateway's demand for XRP will be more extensive - the demand is strong but the quantity is decreasing, which will lead to the appreciation of XRP
< H2 > fifth place: bitstocksbitstocks adopt an architecture similar to bitcoin blockchain. In the bitcoin blockchain architecture, each transaction data must be written from the previous transaction data, and new outputs are generated almost at the same time to be used for future transaction data writing. Each stroke can only be used once under certain conditions. Each transaction output contains the balance information of bitcoin, proving that it can be used for future transactions. In order not to proce bitcoin out of nothing, the write value of the transaction must be greater than the output value
bitcoin uses a simple script language to evaluate the situation that the balance is insufficient when the transaction is output; However, most of the transaction output only needs the holder's encrypted signature
< H2 > sixth place: dogcoindogcoin, some people call it "dogcoin", was born on December 8, 2013, based on the scrypt algorithm, is the second largest virtual currency in the world after bitcoin in the number of users [1]. Digital currency is a global currency initiated by non-governmental organizations. It does not belong to a certain country, but belongs to the whole mankind. It has the advantages of fast global transfer. For example, it can remit money from China to the United States in a few seconds, with low cost, and the total amount will not be increased at will like legal money, so the total amount is relatively stable
after the launch of dogcoin system, e to the help of reddit (the doge content on this website overflows horribly), the traffic shows an explosive development. However, in two weeks, dogcoin has launched a special blog and forum, with a market value of 100 million as of June 9, 2015. Because there is no pre dig, dog coin distribution is fair, charity, reward culture is popular, and user development is amazing and rapid. On June 9, 2015, the number of Dog Coin client addresses was 1.6 million, more than five times that of Wright coin; The number of active client addresses is 196000 in bitcoin, 83000 in dogcoin and 11000 in lightcoin; There are more than 150000 foreign Twitter users, 1.7 times of bitcoin and 6 times of lightcoin. Facebook likes are the same as bitcoin, far more than lightcoin [2]. The daily real transaction volume has been ranked in the top three of virtual currency for a long time, which is still not as good as the result obtained before the big platform [3]. The biggest value of the enterprise Internet era is the huge number of users. It took one year for the user base of dogcoin to reach one third of the number of bitcoin users, and the seventh place is lightcoin, which is four times the number of bitcoin users. A special solution is one of the infinite (in fact, bitcoin is finite) solutions that can be obtained from the equations. Every particular solution can solve the equation and is unique[ 8] In the metaphor of RMB, black money is the serial number of RMB. If you know the serial number of a note, you have the note. The process of mining is to constantly seek the special solution of the equation system through huge amount of calculation. The equation system is designed to have only 22 million special solutions, so the upper limit of bitcoin is 22 million[ 8]
to mine the dark coin, you can download the special dark coin calculation tool, register various cooperative mine pool websites, fill the registered user name and password (miner user) into the calculation program, and then click the operation to officially start. After completing the installation of the darkcoin client, you can directly obtain a darkcoin address. When others pay, you only need to post the address to others, and you can pay through the same client. After installing the Black Coin client, it will distribute a private key and a public key. You need to back up your wallet data containing your private key to ensure that your property is not lost. Unfortunately, if the hard disk is completely formatted, the personal dark coin will be completely lost
No "Zhongtian Shengxiang" and "gaiwang" and "Yijian brother" are different names of the same subject, and they are all pyramid schemes. There is no national supervision and filing, which is deceptive. It obtains high returns by developing offline. Publicity routines are similar, and business models are similar. After o2o, Internet +, sharing economy, blockchain technology these hot words the legal representative of Zhongtian Shengxiang is Kou Nannan. At the beginning of 2019, the company, which has been established for less than a year, promises to realize huge wealth appreciation in the short term relying on the Internet revolution. It's not a legal company. It's specialized in pyramid selling extended data: Zhongtian Shengxiang's bchc is just a fraud pyramid selling prop under the guise of blockchain. Zhongtian Shengxiang, formerly known as one key brother of the Internet, has committed crimes in six regions, and there are dozens of judgments related to the Internet the "covered net" funds and original stocks promoted are not supervised or recorded by relevant state departments, and there is no evidence to prove that the so-called funds or original stocks are recognized and protected by relevant laws and regulations, which is deceptive for the case of Kou Nannan, a legal person of Zhongtian Shengxiang, who was involved in the pyramid selling through Internet, see the criminal judgment (2017) Lu 13 Xing Zhong No. 560. This judgment also defines the stock fund ring the period of Internet coverage as illegal securities and fraud props after the case of one key Godot, it was renamed Zhongtian Shengxiang, which was exposed by the southern weekend and other big media. It changed its face again and used a virtual currency called bchc to defraud pyramid selling
If you purchase foreign exchange by indivials in China through CMB, you can do it at the counter, online banking and mobile banking within the limit. If you need to withdraw cash, please contact the handling branch to verify whether there is cash withdrawal business in this currency before purchasing; If you need to handle overseas remittance, please understand the relevant regulations of overseas remittance in advance. Before purchasing foreign exchange, please read the application form for indivial purchase of foreign exchange in detail and fill in the information such as the use of funds according to the actual situation on time
log in to mobile banking, and select "home → all → cross border finance → foreign exchange purchase → foreign exchange purchase entrustment". For a single transaction or annual cumulative transaction greater than the equivalent of 10000 US dollars, the system will require face recognition. If it fails, you need to go to the counter to handle it
warm tips:
valid account opening certificate is ID card (excluding temporary ID card) before it can be handled through mobile banking
when purchasing foreign exchange, overseas indivials need to bring proof materials and valid identity documents to the counter of China Merchants Bank for handling. One of the following two kinds of proof materials can be provided
< UL >for the current account legitimate RMB income obtained in China, it is necessary to provide the income source certificate and tax certificate with transaction volume
the exchange of unused RMB into foreign exchange shall be handled with my valid identity certificate and original exchange memo
UnionPay cards can be used for consumption on domestic and foreign UnionPay POS machines. Overseas merchants and ATMs with the "UnionPay" logo can use the RMB account in the credit card to pay, and there is no service charge in the process of consumption. But there are not many merchants who can accept UnionPay cards abroad
at present, most of the al currency cards issued by domestic banks are RMB dollar cards. When consumers consume in the United States, they do not need to pay service charges. When they consume in non US dollar countries, when banks exchange different currencies, they first convert the local currency into US dollars, and then convert US dollars into RMB. In this process, they will charge a certain currency conversion fee. Visa, MasterCard currency conversion fee is about 1% to 2% of the transaction amount. Take 100 euro consumption by card as an example. At the current exchange rate of 1 euro to 1.31 US dollars, it is equivalent to 131 US dollars. Therefore, the current consumption amount shown in the account needs to be increased by 1% to 2% of the currency conversion fee on the basis of US $131, and the final bill amount may be US $131.3 to US $133.6, which is equivalent to the additional payment of US $1.31 to US $2.62, equivalent to RMB 8 to 16.
so ad = BC, ∠ bad = ∠ BCD (parallelogram diagonally equal), known AE = CF
so △ AED ≌ BCD, so Ed = BF,
because Mn is de respectively, the midpoint of BF
so EM = FN = BF / 2 = ed / 2
parallelogram ABCD,
so ∠ ABC = ∠ ADC
and because ∠ CBF = ∠ ADF (△ AED ≌ BCD)
so ∠ abd = ∠ EDC
be = DF, DM = BN
so △ Ben ≌ △ DFN
so FN = MF
it has been known that EM = FN
so the quadrilateral enfm is a parallelogram (the quadrilateral with two equal sides is a parallelogram)