As a professional web developer with a multitude of skills, I am confident in my ability to create the "Crypto Richlist Tool" website that you require. With my extensive knowledge and experience in technologies such as PHP, JavaScript, HTML, and CSS, I can ensure your site not only looks clean and user-friendly but also functions smoothly and responsively across different devices.
Furthermore, I have great familiarity with working with crypto-related projects, having previously developed crypto faucets for different coins as well as utilized various Crypto APIs. Given the scope of your project which includes using data from blockchain explorers or APIs to build a comparative table for various crypto holdings, I believe my previous experience will be extremely valuable in delivering a successful end product.
Security is also of utmost importance, and you can trust me to place strong measures on protecting user data. Additionally, with my knack for problem-solving, I can find and implement caching mechanisms to optimize your site's performance. Lastly, keeping your expansion plans for the future in mind is key to its long-term success while staying up-to-date with fresh data. I assure you a reliable data fetching and storage system that can be easily expanded to include other crypto networks. Let's start building your Crypto Richlist Tool together!