Summary of digital currency security

1.

Yin Zhentao, deputy director of the law and Finance Research Office of the Financial Research Institute of the Chinese Academy of Social Sciences, said that digital currency faces two risks. The first is the technical level. Digital currency relies on blockchain technology and a system, which will make it suffer from security impact, such as hacker attacks on computer systems. We have seen many practical problems in this process

Zhao Zhanzhan, a special researcher of intellectual property research center of China University of political science and law, believes that digital currency has anonymity, quickness and irrevocability. In addition, bitcoin and other digital currencies have high circulation in the world, so many criminals use digital currency as a new money laundering channel. Moreover, there are many different ways to realize money laundering through digital currency. Generally speaking, the probability of new money laundering being found and investigated is lower than before. Many countries have no effective means and technology to combat money laundering through digital currency. These factors lead to criminals prefer this way of money laundering

2. Legal risks faced by digital currency: (1) at the macro level, there are legal risks, systematic risks and consumer protection. At present, the legislative problems of e-commerce and e-payment have not been solved, the concept of e-currency and related provisions need to be clarified, and many laws and regulations have not been followed up. Secondly, there is a systemic risk caused by the collapse of a single issuing institution. If a certain issuing institution loses confidence in e-money e to its poor management, other e-money issuing institutions will also face run risk. Moreover, in the absence of standardized supervision, it is difficult for the public to effectively identify the qualification and credit level of issuers. How to effectively prompt risks and protect the rights and interests of the public has become a difficult problem. In addition, the concealment, rapidity and cross-border nature of Internet payment make e-money an inevitable money laundering tool for criminals 2 At the micro level, there are technical risks and credit risks in the main body of e-money issuance. The issuers of e-money in China include banks, non bank financial institutions, Internet enterprises and other enterprises. Due to the weak financial professional foundation of some issuers, especially the lack of mandatory technical security standards in China, there are serious management loopholes and security risks in e-money issuers. System software or hardware failures will affect the availability of e-money. Secondly, the unreasonable structure of assets and liabilities and high concentration of investment will lead to the lack of liquidity and the risk of default. In addition, the payment and circulation of e-money rely heavily on all kinds of networks, and there are all kinds of operational risks, such as deliberate embezzlement of other people's accounts, internal crimes of issuing institutions and malicious intrusion of hackers, which will damage the interests of e-money holders. Bitcoin, Ruitai and other digital currencies are suitable.

3. Digital currency is abbreviated as digiccy, which is the abbreviation of "digital currency" in English. It is an alternative currency in the form of electronic currency. Both digital gold coin and cryptocurrency belong to digiccy
digital currency is a kind of unregulated and digital currency, which is usually issued and managed by developers and accepted and used by members of specific virtual communities. The European Banking authority defines virtual currency as a digital representation of value, which is not issued by the central bank or authorities, nor linked with legal currency. However, because it is accepted by the public, it can be used as a means of payment, or it can be transferred, stored or traded in electronic form
according to the notice on preventing the financing risk of token issuance, there is no approved digital currency trading platform in China. According to China's digital currency regulatory framework, investors have the freedom to participate in digital currency transactions at their own risk

warm tips: the above information is for reference only. Before investing, it is recommended that you first understand the risks existing in the project, and understand the investors, investment institutions, chain activity and other information of the project, rather than blindly investing or mistakenly entering the capital market. Investment is risky, so we should be cautious when entering the market
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4. Hacker attack
bitcoin can exist only because both sides of the transaction recognize its transaction value, so anyone can design virtual currency independently. Ars technica, for example, announced this week that it would create its own cryptocurrency, arscoin[ 2]

Cohen believes that the main threat to digital cryptocurrency is how to keep it safely, and the loss of mt.gox bitcoin once again highlights this problem. Recently, the US Congress has also launched a debate on digital cryptocurrency. Some members believe that the supervision of the bitcoin should be strengthened to avoid risks. Another congressman, Jared polis, believes that the US dollar has similar defects to bitcoin, so if bitcoin is banned, then the US dollar note should also be banned[ 2]

digital currency has a short history of development in the world, but it develops rapidly. Many countries are trying to sum up experiences and lessons through official or non-governmental efforts.

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6.

With the advent of digital currency, the encryption algorithm of currency is becoming more and more important. What are the types of passwords

classical cipher types mainly include transposition cipher and rearrangement of alphabetic order messages. For example, "Hello world" becomes "ehlol owrdl"

Diffie Hellman and RSA algorithms have been widely used except for the first public example of high quality public key algorithms. Other asymmetric key algorithms include Cramer schup cryptosystem, ElGamal encryption and various elliptic curve techniques

some well-known cryptosystems include RSA encryption, Schnorr Signature, El Gamal encryption, PGP and so on. More complex password systems include e-cash system, signcryption system, etc. Now more cryptosystems include interactive proof systems, such as zero knowledge proof, which is used for secret sharing

for a long time, information collection and law enforcement agencies have been interested in cryptography. The importance of secret communication is self-evident. Because cryptography promotes privacy protection, it also attracts great interest of cryptography supporters. Therefore, there is a history of controversial legal issues around cryptography, especially since the emergence of cheap computers makes it possible to widely use high-quality cryptography

nowadays, cryptocurrency transactions are semi anonymous, which makes them very suitable for a series of illegal activities, such as money laundering and tax evasion. However, the proponents of cryptocurrency often attach great importance to the anonymity of digital currency and think that it can protect the privacy of users. Some cryptocurrencies are more private than others

Cryptocurrency is a new type of digital asset, which is based on the network distributed on a large number of computers. This decentralized structure enables them to exist outside the control of the government and central authorities. The term "cryptocurrency" also comes from the encryption technology used to protect the network

blockchain is an organization method to ensure the integrity of digital currency transaction data, and it is an important part of many cryptocurrencies. Many experts believe that blockchain and related technologies will subvert many instries, including finance and law. Cryptocurrencies have been criticized for many reasons, including their use for illegal activities, exchange rate fluctuations and the vulnerability of the infrastructure that underpins them. However, digital currency is also praised for its portability, divisibility, anti inflation and transparency

7.

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 ones are as follows:

1. Denial of service attack

denial of service attack is the most important attack against the digital currency trading platform at present. Through the denial of service attack, the attacker makes the trading platform unable to access normally, while the user cannot accurately distinguish the attack degree, It often leads to panic asset transfer, which brings some loss

8. What are the security issues? If it's the safety of your wallet, you're worried.

9. The security level of the ubitmex exchange is bank level, so you don't have to worry about the capital security when you invest in digital currency trading on this platform. I invest in digital currency on this platform at present. The income of digital currency trading on ubitmex exchange is also very stable, which is a very reliable investment channel.. I wonder if my answer will help you