The Ouyi platform provides safe and convenient digital asset services, and users can complete downloads, registrations and certifications through official channels. 1. Obtain the application through official websites such as HTX or Binance, and enter the official address to download the corresponding version; 2. Select Apple or Android version according to the device, ignore the system security reminder and complete the installation; 3. Register with email or mobile phone number, set a strong password and enter the verification code to complete the verification; 4. After logging in, enter the personal center for real-name authentication, select the authentication level, upload the ID card and complete facial recognition; 5. After passing the review, you can use the core functions of the platform, including diversified digital asset trading, intuitive trading interface, multiple security protection and all-weather customer service support, and fully start the journey of digital asset management.

First, download the Binance App through the official channel to ensure security. 1. Android users should visit the official website, confirm that the URL is correct, download the Android installation package, and enable the "Allow to install applications from unknown sources" permission in the browser. It is recommended to close the permission after completing the installation. 2. Apple users need to use a non-mainland Apple ID (such as the United States or Hong Kong), log in to the ID in the App Store and search and download the official "Binance" application. After installation, you can switch back to the original Apple ID. 3. Be sure to enable two-factor verification (2FA) after downloading and keep the application updated to ensure account security. The entire process must be operated through official channels to avoid clicking unknown links.

There are four main ways to obtain BTC: 1. Register and exchange it with fiat currency or other digital assets through centralized trading platforms such as Binance, OK, Huobi, and Gate.io; 2. Participate in P2P platforms to directly trade with individuals, and pay attention to the credit risks of the counterparty; 3. Provide goods or services to accept BTC as payment; 4. Participate in airdrops, competitions and other platform reward activities to obtain a small amount of BTC. The core difference between BTC and digital currency is: 1. BTC is a type of digital currency, which belongs to a genus relationship; 2. BTC adopts a proof of work (PoW) mechanism, while other digital currencies may use various technologies such as proof of stake (PoS); 3. BTC emphasizes the value storage function of "digital gold", and other digital currencies may focus on payment efficiency or

shutil.rmtree() is a function in Python that recursively deletes the entire directory tree. It can delete specified folders and all contents. 1. Basic usage: Use shutil.rmtree(path) to delete the directory, and you need to handle FileNotFoundError, PermissionError and other exceptions. 2. Practical application: You can clear folders containing subdirectories and files in one click, such as temporary data or cached directories. 3. Notes: The deletion operation is not restored; FileNotFoundError is thrown when the path does not exist; it may fail due to permissions or file occupation. 4. Optional parameters: Errors can be ignored by ignore_errors=True

Install the corresponding database driver; 2. Use connect() to connect to the database; 3. Create a cursor object; 4. Use execute() or executemany() to execute SQL and use parameterized query to prevent injection; 5. Use fetchall(), etc. to obtain results; 6. Commit() is required after modification; 7. Finally, close the connection or use a context manager to automatically handle it; the complete process ensures that SQL operations are safe and efficient.

iOS users need to first enter the download area through the official website to download the Binance APP. 1. Switch the network proxy to automatic and enter a trusted PAC address; 2. Change the Apple ID area to a non-restricted area such as Singapore and fill in the corresponding address; 3. Search Binance in the App Store and download it; 4. If you cannot download it, you can use the TestFlight tool to install it through the invitation code; 5. Turn on notifications and cellular network permissions after installation; 6. Enable Face ID or Touch ID in the APP to enhance account security. The above steps are applicable to the latest iOS system, which can ensure that iPhone users complete the installation smoothly and use the Binance app normally.

Ouyi Exchange is a professional digital asset service application for global users, providing users with a safe, stable and feature-rich trading experience. Its official Apple version application is designed with smooth operation, aiming to help users easily manage and trade various digital assets and keep abreast of market trends at any time. Through the official website download and installation, users can enjoy the full range of services provided by the platform.

Use multiprocessing.Queue to safely pass data between multiple processes, suitable for scenarios of multiple producers and consumers; 2. Use multiprocessing.Pipe to achieve bidirectional high-speed communication between two processes, but only for two-point connections; 3. Use Value and Array to store simple data types in shared memory, and need to be used with Lock to avoid competition conditions; 4. Use Manager to share complex data structures such as lists and dictionaries, which are highly flexible but have low performance, and are suitable for scenarios with complex shared states; appropriate methods should be selected based on data size, performance requirements and complexity. Queue and Manager are most suitable for beginners.