Digital currency owners protect themselves

1. After a "thousand exchanges" war in the currency circle, the exchange is now in an unsaturated competition stage, because the moat at the head is not wide enough, the competition barrier is not hard enough, and the competition that everyone wants to win is very big. Globally, the total amount of digital asset trading is a growing market. As the top of the whole instry's food chain, the exchange is marching into a "new continent of the digital world", The market is big enough; With the continuous iteration of technology and the increasing of application scenarios, the needs of users are also constantly diversified, with a hundred flowers blooming and a hundred schools of thought contending, each with its own characteristics. But after all, "safety first"
the security of exchanges is an eternal topic
as the gathering place of interests, the game of interests behind may create evil links. Looking back on the development history of digital currency exchange, we can see a history full of glory and darkness. Glory is that it continues to provide users with more and more trading services and categories. Unfortunately, in the early stage of the instry, there was a lack of system. Most of the traditional exchanges were highly centralized. As the vested interests, they were opaque in assets, unfair in the distribution of interests, weak in the underlying structure, backward in security technology, chaotic in currency rules, and even dark box operation. In order to promote the global blockchain instry into a healthy development state, the market urgently needs an innovative, democratic, transparent, equal, free and safe trading environment to cope with the upgrading and iteration of the blockchain instry and promote the formation of a benign competition pattern in the global exchanges
the endless events tell us that history will not forget the instrial revolution and innovation mission of the blockchain instry, but also the hope brought by the blockchain to the global trust mechanism and the beautiful vision of redefining the world. Because of this, based on our deep understanding of the blockchain revolution and our goal of making a key contribution to the global blockchain business, we are striving to "pick one from a thousand miles" the most reliable blockchain asset trading platform

as an investor in the currency circle, the big knife of asset security is always hanging on his head. We all realize that the currency circle is a place where risks gather, so we don't even have the courage to recommend investment opportunities to our relatives and friends. Not to mention the drastic fluctuations in token trading, even buying and hoarding coins in the exchange are not bold to recommend. Because in the current stage of weak supervision, many exchange accidents and security news emerge in an endless stream, which means that a careless friend's assets will be swept away. When this wave of bear market came, we saw too many exchanges go bankrupt because of poor profits. At this time, conscientious exchanges will return the token to users, but most of them will roll up the token after they declare bankruptcy. There is "Mentougou" before and "fcoin" after. At this time, users react: you want to earn the profits of the transaction, people are interested in your principal. After seeing too much news like this, I seldom recommend buying coins to friends who are interested in investing in the currency circle

until I also experienced the "312" currency disaster in 2020, fortunately, my exchange adopted the circuit breaker mechanism in time to deal with it, so that I reced the panic and cut the flesh. Until now, the market has come back, experienced the return of capital and made profits, I carefully considered recommending this exchange; In this currency disaster, LOEX Lein of this exchange took correct and timely measures to protect the interests of users, won good reputation of users, and stood the test before I really took action and recommended it to my friends
the exchange, which has been operating for two years and has kept a record of zero security failures, has captured the rigid demand of many investors: asset security since its emergence. LOEX always adheres to the principle of user first and safety first, provides users with a safe, stable and convenient digital asset trading platform, and is committed to becoming a leader in the era of digital economy
first of all, LOEX ren operates openly through smart contracts
every user's transaction can be clearly observed through the EOS browser to ensure that your transaction is real. At the same time, because your assets are no longer handed over to the official team of LOEX ren, they are put in a place called "smart contract". Public rules ensure that your assets are smart and your EOS account is free to enter and leave, which ensures the safety of your assets. This is a safe transition to decentralization
next, LOEX also has AI program automatic detection
fault handling: support cluster expansion and active / standby operation
monitoring and early warning: real time monitoring of functional moles and timely early warning of abnormal moles
operation and maintenance center: it has a complete server cluster and database maintenance platform
protection measures: DDoS protection, intelligent ban, remote disaster recovery,
risk control management
we have a cross chain hosting cooperation system
the security system cooperates with Manwu District, know Chuangyu and other well-known enterprises
we have reached in-depth cooperation with the above-mentioned well-known institutions in terms of security. The security institutions provide a series of code audit services for smart contract projects, and continue to provide security audit services after the code upgrade of the project party. At the same time, the organization team will also provide long-term safety testing services to LOEX
therefore, what LOEX can do is secure asset protection, risk screening of currency projects, and security behavior inspection of exchange users
financial management cooperates with famous Wall Street AA level quantitative team
in the future, it can make LOEX exchange more secure and reliable. LOEX cross chain hosting can bring a large number of application scenarios to customers. LOEX exchange can provide sharing depth for all partners of loex.io, so that customers can have better circulation and trading depth in the exchange, and complete safe startup.

2. The following is for reference only:
very large
in the field of blockchain and virtual currency, such cases of losses caused by the security of exchanges occur frequently, causing great economic losses to users. The security experts of Juhui ggfx also gave a hint: there are still many loopholes in the current digital currency trading platform, for example, the most common are the following six kinds:
the first kind: denial of service attack
denial of service attack is the most important attack against the digital currency trading platform at present. Through denial of service attack, the attacker makes the trading platform unable to access normally, Because users can not accurately distinguish the degree of attack, it often causes panic asset transfer, which brings some loss
the second kind: phishing
even the best technical measures at present can not make the digital currency trading platform avoid phishing attacks. Some hackers and outlaws can confuse digital currency investors by means of fake domain names or fake pages, while ordinary investors can't identify the authenticity, so it's easy to cause asset losses
the third: Hot wallet protection
many digital currency trading platforms use a single private key to protect the hot wallet. If hackers can access a single private key, they can crack the hot wallet related to the private key. For example, in the attack on yapizon of Seoul stock exchange in 2017, the attackers stole hot wallets from the trading platform twice in a year, resulting in a total loss of nearly 50% of the assets of the trading platform and eventually leading to the bankruptcy of the trading platform
Fourth: internal attack
e to the lack of perfect risk isolation measures or ineffective supervision on the authority of employees, the digital currency trading platform also has employees' self-monitoring and stealing, and some employees with operating authority of the platform use internal trust to seek ill gotten gains for themselves. For example, in 2016, the event of employees stealing bitcoin on shapeshift caused a total loss of US $230000 to the trading platform by stealing and reselling sensitive information to others
the fifth: software vulnerability
the software vulnerability of digital currency trading platform includes single sign on vulnerability, OAuth protocol vulnerability, etc. At present, all countries have laws requiring banks or other financial institutions to implement information security measures to protect customers' deposits. However, e to the fact that the blockchain field is still in its infancy, there is a lack of such specifications for encrypting digital assets. Therefore, it is not accidental that many trading platforms have a large number of loopholes in the absence of security constraints
sixth: transaction malleability
Technical supporters of blockchain often think that blockchain transactions are highly secure because they are recorded on records that are said to be unchangeable, but each transaction needs to have a corresponding signature, and the records can be temporarily forged before the final confirmation of the transaction. Mt. GOx, which once accounted for 80% of the world's total transactions, was hacked to submit code changes to the public ledger before the initial transaction was released, resulting in a loss of 473 million US dollars< br /> &# 160;

3.

The digital currency wallet is the hardware wallet, which means that the private key of digital assets is stored in a single chip, isolated from the Internet, plug and play. Hardware wallet can't guarantee 100% security. For example, if a geek gets your hardware wallet and doesn't know your private key, it may be cracked by violence. It's just one of the safest storage methods compared to other storage methods

many block chain entrepreneurs at home and abroad are optimistic about the development of this field, so they begin to build more hardware wallets. In the case of the exchange being stolen a lot of money and the software wallet being stolen from time to time, many investors regard the hardware wallet as the last moat

extended information:

whether the hardware wallet is safe

the hardware wallet can not guarantee 100% security. For example, if a geek obtains your hardware wallet, it may be cracked violently even if it doesn't know your hardware wallet immediately. It's just one of the safest storage methods compared to other storage methods

of course, there are exceptions, such as you have unlimited brain power and never forget. It's better to save it anywhere than in your own mind

4.

The contract transaction of digital currency is not safe. There are still many loopholes in the digital currency trading platform, for example, the most common are the following six kinds:

1. Denial of service attack

denial of service attack is the most important attack against the digital currency trading platform at present. Through denial of service attack, the attacker makes the trading platform unable to access normally, Because users can not accurately distinguish the degree of attack, it often causes panic asset transfer, which brings some loss

2. Phishing incident

even the best technical measures at present can not make the digital currency trading platform avoid phishing attacks. Some hackers and criminals can confuse digital currency investors by means of fake domain names or fake pages, while ordinary investors can't identify the authenticity, so it's easy to cause asset losses

Many digital currency trading platforms use a single private key to protect the hot wallet. If hackers can access a single private key, they can crack the hot wallet related to the private key. For example, in the attack on yapizon of Seoul stock exchange in 2017, the attackers stole hot wallets from the trading platform twice in a year, resulting in a total loss of nearly 50% of the assets of the trading platform and eventually leading to the bankruptcy of the trading platform

Fourth, e to the lack of perfect risk isolation measures, or ineffective supervision on the rights of employees, some employees who have the operation rights of the platform use internal trust to seek unjust wealth for themselves. For example, in 2016, the event of employees stealing bitcoin on shapeshift caused a total loss of US $230000 to the trading platform by stealing and reselling sensitive information to others

Fifth, the software vulnerability of digital currency trading platform includes single sign on vulnerability, OAuth protocol vulnerability and so on. At present, all countries have laws requiring banks or other financial institutions to implement information security measures to protect customers' deposits. However, e to the fact that the blockchain field is still in its infancy, there is a lack of such specifications for encrypting digital assets. Therefore, it is not accidental that many trading platforms have a large number of loopholes in the absence of security constraints

6. Transaction malleability the technical supporters of blockchain often think that blockchain transactions are highly secure because they are recorded on records that are said to be unchangeable, but each transaction needs to have a corresponding signature, and the records can be forged temporarily before the final confirmation of the transaction

extended data:

rules of contract transaction

1. Transaction time

contract transaction is 7 * 24 hours transaction, which will be interrupted only ring the settlement or delivery period of 16:00 (UTC + 8) every Friday. In the last 10 minutes before delivery, the contract can only be closed, not opened

Transaction types are divided into two types, opening and closing. Opening and closing positions are divided into two directions: buying and selling:

buying open long (bullish) refers to buying a certain number of contracts when users are bullish and bullish on the index. Carry out "buy open more" operation, match success will increase long position

selling pingo (multi order closing) refers to the selling contract that the user makes up for when he is no longer bullish on the future index, offsets with the current buying contract and exits the market. Carry on "sell flat much" operation, match after success, will rece long position

short selling (bearish) refers to the new sale of a certain number of certain contracts when the user is short or bearish on the index. Carry out the operation of "sell short" and increase the short position after successful matching

buy close (short single close) refers to the buy contract that the user will not be bearish on the future index market and make up for, offset with the current sell contract and exit the market. Carry out "buy short" operation, after matching successfully, short position will be reced

3. Order method

limit order: the user needs to specify the price and quantity of the order. Limit order can be used for opening and closing positions

order at opposite price: if you choose to order at opposite price, you can only enter the order quantity, not the order price. The system will read the latest competitor price at the moment of receiving the entrustment (if the user buys, the competitor price is the selling price of 1); If it is a sell, then the counter price is buy 1 price). Issue a price limit order for this counter price

4. Position

the user owns the position after opening and trading, and the positions in the same direction of the same contract will be merged. In a contract account, there can only be 6 positions at most, that is, multiple positions of current week contract, short positions of current week contract, multiple positions of next week contract, short positions of next week contract, multiple positions of quarterly contract and short positions of quarterly contract

5. Order restriction

the platform will restrict the number of single user's positions in a certain period of contract and the number of single open / close positions, so as to prevent users from manipulating the market

when the number of positions or entrustments of users is too large, the platform has the right to require users to take risk control measures, including but not limited to cancellation of orders, closing positions, etc. The platform has the right to adopt measures including but not limited to limiting the total number of positions, limiting the total number of consignments, limiting the opening of positions, withdrawing orders, forcibly closing positions, etc. for risk control

5. Which is better? It depends on your specific needs. Just now from the tenth power computing power leasing platform, we can see that if there is no shortage of funds, we can buy computing power. However, if there are not so many funds in the early stage, it is more cost-effective to rent computing power. I think the same is true. If the budget is enough, we can directly purchase the computing power.

6.

Train of thought: write your thesis, how detailed the teacher's instructions are, when there is no data, improve the data for you, edit the outline of the whole thesis, read it seriously, and your future work will have a far-reaching impact. The conclusion is mainly the summary of the thought of the style in the paper. Just say the meaning in the brief introction

this paper is completed under the careful guidance and strong support of teacher XX. Teacher X's rigorous and realistic learning attitude, highly dedicated professionalism, serious and diligent work style, bold and innovative enterprising spirit have had an important impact on me

I was deeply moved by her profound knowledge, broad vision and keen thinking. At the same time, ring the graation project, I also learned a lot about microbial fermentation, and my experimental skills have been greatly improved

In addition, I would like to thank my senior sister for her guidance on my experiment and thesis writing. She helped me a lot to finish this paper. I would also like to thank XX and XX for their selfless help, which enabled me to successfully complete my thesis. At the same time, XX teacher often helps me in the laboratory, here I also sincerely thank him

Finally, I would like to thank my teachers and classmates for their care and help

7. You can rest assured that it is true and effective, and every transaction information has a clear record and is trustworthy.. Are you satisfied with my answer? If you are satisfied, please take it

8. Don't put it on any electronics
record on paper
even if offline, data may be stolen, even if it is shut down, it may be turned on remotely