What are the formal platforms to buy digital currency

1.

1. Bithumb

bithumb is the largest digital currency exchange in South Korea and the top ten in the world in terms of trading volume. Its daily trading volume exceeds 13000 bitcoins, accounting for about 10% of global bitcoin trading volume. It promises to provide the lowest handling charge in the world. Bithumb accounts for 75.7% of South Korea's bitcoin market, 10% of the global bitcoin market, and 50% of South Korea's Ethereum market

Bitmex is established in the Republic of Seychelles as a leading leverage trading platform. It can operate cryptocurrency derivatives trading as high as 100 times leverage, and also provide high leverage for other digital currency procts. Bitmex offers more than a dozen futures and swap procts. Bitcoin is one of the most active trading varieties, which can be divided into three types: xbtz17 (bitcoin / USD futures), xbjz17 (bitcoin / yen futures) and xbtusd (bitcoin / USD perpetual swap)

to register a bitmex account, just fill in the email, password and country. The name can be left blank. Bitmex does not accept the recharge and withdrawal of legal currency, so it does not have to follow the bank's KYC / AML requirements to obtain the user's personal information

Okex

3, okex

okex mainly provides global users with spot and derivative trading services of digital assets such as bitcoin, lightcoin and ethereal currency, which is subordinate to okex Technology Company Limited. Since 2014, we have been committed to providing bitcoin, lightcoin, ethercoin and other digital asset currency and derivatives trading services to global users, adopting advanced technologies such as GSLB, distributed server cluster, distributed storage, high-speed memory trading engine with multi machine mutual backup, cold wallet, hot money package with private key offline, etc

As one of the most concerned companies in the international blockchain instry, Qian'an is jointly founded by Zhao CHANGPENG, former blockchain CTO, a well-known blockchain company, and He Yi, former vice president of science and technology, to provide users with more secure and convenient digital currency exchange services and aggregate global high-quality digital currencies, It is committed to building a world-class blockchain asset trading platform. Only 50 days after its launch, the company's users have covered more than 180 countries around the world. This is the first time that the company has disclosed its financing information

5. Hotcoin is one of the three major exchanges in China. Headquartered in Beijing, it also has many exchanges, including domestic stations, international stations, quantitative trading, etc. hotcoin is a domestic station. Since its establishment in 2013, the accumulated trading volume of hotcoin has exceeded $100 billion, once becoming the largest digital asset trading platform in the world, It occupies 50% of the global share of digital asset transactions, and has been invested by Zhenge fund and Sequoia Capital

fire coin group has invested in more than 10 upstream and downstream enterprises, and has completed the establishment of compliance service teams in Singapore, South Korea, Hong Kong, Thailand, Australia, Canada, Brazil, Britain and other countries and regions, providing secure and reliable digital asset trading and asset management services for millions of users in more than 130 countries

6, bibox

bibox is the world's first artificial intelligence digital asset trading platform, which innovatively realizes transaction security, platform stability and operation convenience; Financial derivatives services are well-known in the instry. The platform not only provides spot trading, but also provides financing, currency financing and contract trading business. Investors can carry out long short two-way operation. They can obtain the income from the rise in the price of digital assets by buying long and obtain the income from the fall in the price of digital assets by selling short, which is convenient for traders to invest and hedge

Hitbtc

7, hitbtc

hitbtc was established in 2013 and obtained 6 million euro venture capital. Headquartered in Europe, it is a bitcoin trading platform in the UK, supporting the current mainstream encrypted digital currency portfolio trading, including BCC / BTC, ETH / BTC, XmR / BTC, LTC / BTC, EOS / BTC, EOS / eth, etc. at present, there are 762 trading pairs. Hitbtc is operated by hit Solutions Limited in Hong Kong and has a dedicated support and communications office in Santiago, Chile

Digifinex

digifinex is a block chain Digital Asset Exchange registered in Seychelles, which mainly provides currency trading services of bitcoin, Ethereum, lightcoin and other digital assets for global users. According to non trumpet data, there are 103 platform trading pairs at present. Digifinex is founded by blockchain and digital asset enthusiasts, with core teams from Xunlei, Tencent and Internet. It is operated by digifnex limited, which is registered in Seychelles, and its current operation center is located in Singapore

ZB network is a global digital currency exchange. Currently, there are 168 platform trading pairs, which support OTC and spot trading. At present, it has obtained the exchange license of Thailand and Du, and has set up operation centers in Switzerland, Canada, the United States, Bangkok, Du and other places. ZB focuses on providing global customers with safe, convenient and compliant blockchain asset trading services

10, coin win international station

coin win is a global digital asset trading platform set up by Chinese state-owned enterprises in Hong Kong. It adopts bank level security technologies such as cold storage, SSL and multiple encryption to ensure the security and stability of virtual currency transactions. It mainly provides transaction services of digital assets such as ether currency and HSR for global users, and is subordinate to citicash Hong Kong Investment Limited. Currently, there are 51 platform trading pairs, which support OTC and spot trading

2. Beex is good. It also has its own platform currency, bee coin
bee coin is a native cryptocurrency issued by beex, which is called bee for short. With a total circulation of 100 million, there is no reserve and no additional issuance. Beex will buy back and destroy bees weekly with platform fees and activity income to a total of 21 million bees. In the future, bee coin holders will successively obtain a series of rights and interests, such as discount fees, purchase and innovation, on the beex platform.

3. There is no formal digital currency platform in China, because the state does not allow digital currency transactions.

4. Freezing can be divided into two types: Bank freezing and judicial freezing
1. Bank freezing:
there are mainly two kinds of bank freezing:
banks in some countries and regions do not allow bank accounts to participate in digital asset transactions (for example, because BTC, ETH, usdt, etc. are noted ring transfer, which causes the bank's risk control system to monitor), so when an account involves digital asset transactions, the bank will freeze or suspend part of the transaction authority
it is also possible that the behavior of this account triggered the bank's anti money laundering system (such as late night large amount transfer, frequent transactions with multiple people, no balance in the card for a long time, etc.)
generally speaking, the bank will not directly freeze the bank card, but will restrict your non counter business or "only pay but not collect", that is, suspend part of your transaction authority
how to deal with this situation:
directly contact the deposit bank and provide your relevant information (generally explaining the reasons for capital transactions) according to the bank's requirements
how to prevent this situation:
first, when dealing with the buyer, remind the other party not to remark sensitive words such as usdt and BTC
secondly, instead of using only one bank card, you can prepare more and change them over time
2. Judicial freezing:

the logic of judicial freezing is different according to different judicial proceres in different countries. But it's almost the same
after being cheated, the victim reports to the police, and the police freeze the bank accounts on the relevant fund line according to the bank account number of the victim's money. For example, the victim's money, called the bank account a, a called the bank account B, B called the bank account C, and then extended to D, e, F
then it is possible that a, B, C, D, e and F will be frozen, while B, C, D, e and F may not know the source of the funds
generally, the funds with problems are not frozen immediately after they are received. It may be because the transaction was frozen a month ago. But generally speaking, it's because a deal a few days ago was frozen
how to deal with this situation:
if the bank card is frozen by justice, you need to check how long the freezing period is and where it is frozen through the opening bank or the telephone hotline of the bank. These two information are very important. The bank background will display them. It's better to get these two information
most of the judicial freezes are only temporary and will be automatically unfrozen within two or three working days in cooperation with the police investigation. Don't worry about it. It will thaw automatically when it's e
but you should also pay attention to transfer the money when it is e, because it is possible that the involved case will not only have victims in one place, but also be frozen in more than one place, and it may be frozen again in the future. In addition, the 48 or 72 hours is not the time to thaw, some will be delayed for a few hours, or even half a day
the second one shows half year freezing. Generally speaking, if the funds with problems are directly received or are relatively close to the source of the funds with problems, they may be frozen for half a year. Of course, e to the different handling methods of the local judicial organs, in some areas, it is directly frozen for half a year
how to deal with this situation:
contact the local police as soon as possible and ask the police to provide information about suspected violations. Provide relevant information as required by local police. Relevant information is generally used to explain why the transfer of this fund occurs. Therefore, generally speaking, it includes the order records of OTC transactions within a certain period of time (you can log in to the hotcoin OTC account and click the order in the upper right corner to export and print)
when the above materials are provided to the police, they will give some feedback according to the different processing methods of the local public security systems and the different cases. For example, some cases can only be unfrozen if they are strictly required to be solved or withdrawn, some cases can only be frozen, and some cases can be unfrozen directly< Beijing Times News (reporter Yang Fenglin) the CBRC, the Supreme People's Procuratorate, the Ministry of public security and the Ministry of national security recently jointly issued the "provisions on banking financial institutions assisting the people's Procuratorate, the public security organ and the national security organ to inquire about freezing work" (hereinafter referred to as the "provisions"), It is proposed to comprehensively improve the efficiency of capital investigation and control by using cross regional collaborative query, large-scale centralized query and bank internal collaborative query
it is understood that in recent years, crimes such as telephone fraud, Internet fraud and stealing bank cards have occurred frequently. If criminals use remote telephone cards and bank accounts to commit crimes, it is difficult for the police to freeze the criminals' accounts in time after the victims report
according to the internal regulations of commercial banks, freezing bank accounts in other places requires local police to go to other places with freezing letters and letters of introction, and freeze them together with the police in other places. It takes at least one day to complete the procere. This not only gives criminals enough time to transfer the stolen money, but also increases the cost of handling the case
according to the regulations, if the procuratorial organs, public security organs and national security organs ask for more than the authority of inquiry or cross regional inquiry, the qualified financial institutions can submit the request to the superior institutions or other branches of the system for assistance, and feed back the inquiry through the internal proceres
the regulations also require that financial institutions should strictly keep confidential after receiving legal documents to assist in the inquiry and freezing of property, and it is strictly forbidden to inform the inquired and frozen units, indivials or third parties to help hide or transfer property The regulations have come into force since January 1 this year
source of reference: People's Daily - China Banking Regulatory Commission: To investigate the crime of stealing and swiping bank cards can freeze accounts in other places in time

5.

This is a Linux system IP address configuration command. The specific meaning is:

set the IP address of the system to 192.168.0.2; The subnet mask is 24, that is 255.255.255.0; The broadcast address is 192.168.0.255; The name of NIC device is eth0

all computers in the network must set a unique IP address to communicate normally. Because of this unique address, users can select the objects they need from thousands of computers efficiently and conveniently when they operate on networked computers

The IP address is just like our home address. If you want to write to a person, you need to know his or her address so that the postman can deliver the letter. A computer sending information is like a postman. It must know the only "home address" to avoid sending the letter to the wrong person. But our address is expressed in words, the address of the computer is expressed in binary numbers

eth0 is the name set by the system for the network card. If there are al network cards or multiple network cards, there will be names like eth1 and eth2. The name can be set artificially. It is the unique name of the network card in the current computer system

< H2 > after modification, you can use ifconfig command to check whether the modification is successful