First, understand these before learning about cryptocurrency merchants. Some people are still asking me if I can accept apprentices. Can I become an OTC coin merchant and earn some living expenses a day? Let's see which of the following 80 problems you can solve alone? 1、 Legal Risk Section 1. What are the most common criminal offenses involving the U industry? 2. What are the main criminal acts of aiding and abetting? How much is the usual sentence? 3. What are the criminal acts committed by concealing and hiding crimes? How much is the usual sentence? 4. What types of businesses are generally involved in the crime of illegal business operations? What is the typical sentence for this? 5. What are the main regulatory criteria for the U industry by the government? 6. Summarize the current legal status of the industry in one sentence. 7. What are the main reasons for legal issues in the U business industry? 8. How to understand the sentence 'buying and selling U is not illegal, money laundering must be done in prison'? 2、 Business Fundamentals 1. According to transaction types, U merchants are mainly divided into two categories. What are they? 2. What does on-site U merchant refer to? What are the advantages and disadvantages? 5. What does' off site U merchant 'refer to? What are the advantages and disadvantages of each? 6. What is the price reference basis for U's transactions? 7. How to establish the commonly accepted receiving and selling prices for U merchants in the industry? 8. How to set the general price for cash transactions? 9. Why does freezing occur? 10. What is the difference between judicial card freeze and anti fraud risk control? 11. What are Class I, Class II, and Class III bank cards? 12. What are the advantages and disadvantages of transfer and cash transactions? 13. What are the risks of existing transactions 14. What are the forms of over-the-counter trading? 15. Where are the main U trading markets currently located in China? 16. What are the risks of converting foreign exchange to U? 17. What are the common types of black and gray funds? 18. How to identify black and gray funds through details? 19. What is the correct operation method for cross-border brick moving? 20. What are the common methods for verifying the safety of funds? 3、 Technical Fundamentals 1. What are the categories of wallets? 2. What are the advantages and disadvantages of exchange wallets and decentralized wallets 3. How to use the wallet correctly? 4. What are the most important things to pay attention to when using a wallet? 5. What are the main reasons for wallet asset theft? 6. What is energy leasing on the wavefield blockchain? 7. How to use energy leasing for transfer? 8. What are the advantages and disadvantages of energy leasing? 9. How to check if it is a black U? 10. What does the label U mean? 11. What are the commonly used tools for on chain security queries? 12. How to query in public chain browser? 13. How to set up an observation wallet? 14. How to check the number of assets of the other party? 15. How to set up the wallet for observation? 16. How to switch U across different chains? 17. How to deposit and withdraw funds on the exchange? 18. How to trade over-the-counter Bitcoin and trading precautions? Part 2: Professional Knowledge 1、 Risk section 1. What is the risk control process for cash transactions? 2. What is the risk control process for transfer transactions? 3. How to use bank cards correctly to avoid risk control? 4. How to submit documents for unblocking bank cards? 5. What should be done after the judicial freezing of bank cards? 6. How to report a transaction dispute to the police? 7. How to improve the method of daily transfer and receipt? 8. How to easily identify black and gray funds? 9. What are the common types of black and gray funds? 10. What is the general process for handling judicial frozen cards? 11. What are the on-site risk control measures for cash transactions? 12. How to build a risk control system for online secure transactions? 13. How to prevent touching anti fraud risk control? 14. What is the principle of being excluded from the counter and reduced by the bank? 2、 Business Improvement Chapter 1. How can U merchants obtain resources? 2. How to determine the authenticity of information? 3. How to develop a pricing system that suits oneself? 4. What are the measures for handling stolen assets? 5. What are the most common tricks for transfer transactions? 6. What is the general process of gold to U trading? 7. What are the characteristics of U business markets in different regions? 8. What are the characteristics of the U business industry in different countries? 9. What are the risks and precautions of cross-border brick moving? 10. What is remittance? 11. What is the general process of confiscation and punishment? 12. What are the precautions for receiving U from public accounts? 13. What are the precautions for handling confiscated business? 14. What are the precautions for using Huiwang Guarantee? 15. How to distinguish true and false information online? 16. How to conduct offline business negotiations? 17. What are the compliance operation methods for foreign exchange business? 18. The basic operation process of gold to U exchange? 19. How to exchange electronic bills for U? 20. What is the operating principle of the bank risk control system? 21. How to unfreeze the judicial freeze? I don't know anything, being a U merchant is harming you.