1. How to update the code to display current blocks and blocks remaining until 840,000.

Question

2. Can you identify potential bottlenecks or areas where the script might be improved?

3. What are possibe ways to integrate the countdown with other web technologies, such as server-side events, WebSockets, or real-time notifications, enabling more dynamic and interactive countdown experiences?

https://sololearn.com/compiler-playground/W7oUXR5jDHxs/?ref=app