How to create custom cryptocurrency complication for Apple Watch?
Could you elaborate on the process of creating a customized cryptocurrency complication for the Apple Watch? I'm particularly interested in understanding the technical aspects involved, such as the programming languages required, the integration with cryptocurrency APIs, and any specific steps needed to ensure compatibility with the Apple Watch's user interface. Additionally, I'd like to know if there are any common challenges or limitations that developers often encounter during this process. Ultimately, I'm seeking a detailed, step-by-step guide to help me create a functional and user-friendly cryptocurrency complication for my Apple Watch.