In the wave of cryptocurrency trading, the safety of funds has always been the primary focus for every participant. Among them, how to avoid the influx of dirty money and cope with bank risk control models has become a key issue in safeguarding asset security. This article will break down practical risk prevention strategies based on different fund sizes. When the transaction amount is in the range of hundreds to thousands of U, choosing a large trading platform is undoubtedly a more secure approach. Regular payment channels such as Alipay, WeChat, and bank cards can be used, but it is essential to strictly adhere to the "same-name payment" principle. In reality, many traders take chances by using relatives' accounts for transactions; once problems arise, not only is it difficult to recover funds, but there may also be legal risks. At the same time, caution should be exercised when dealing with merchants that only sell and do not buy, have just recently joined, or have very little trading volume. Choosing fixed merchants for multiple transactions can effectively reduce risks because frequently conducting single transactions with unfamiliar accounts can easily trigger the bank's risk control system, leading to funds being frozen for as short as a week and as long as a month. When the transaction amount rises to the range of thousands to fifty thousand U, greater caution is needed in selecting trading platforms and merchants. At this point, certified merchants and large trading platforms become the preferred choices. These platforms often have strict risk control review mechanisms, conduct in-depth checks on merchant identities, establish comprehensive anti-money laundering systems, and require merchants to pay deposits, which reduces the risk of receiving dirty money to some extent. However, the red line of "same-name payment" must never be crossed, as it is an important defense for ensuring the legality of transactions. Facing large withdrawal demands of over fifty thousand U, seeking help from well-known OTC bloggers is a choice for many traders. These bloggers, in order to maintain their reputation, usually promise not to use funds from the crypto circle for payments. Although the authenticity remains to be verified, their credibility and reputation can indeed provide an added layer of security for transactions. When there are doubts about the source of funds, they can also cooperate to provide relevant proof. Even so, large transactions must be completed within the platform, and the same-name payment principle must also be adhered to. Besides choosing the appropriate trading methods and parties, properly keeping transaction records is also an important aspect that cannot be overlooked. Chat records, transfer screenshots, platform order numbers, and other information are all strong evidence to prove the legitimacy of funds to the police when encountering frozen accounts. In the complex environment of cryptocurrency trading, only by remaining vigilant and strictly following the standardized processes can one truly safeguard their fund safety.#特朗普就职百日 ##美股财报周来袭