What is used to create a site like trading platform of a site that do update it's contents by itself like deposit and withdraw

Answer 1

There are a few different solutions, you could use a web search for such as question. For it you must much learn.

Answer 2

Ok

Answer 3

Am having issues creating such, like I want my website to update itself and many more, update portfolio and so on.

Answer 4

It seems like you're looking to create a blockchain system. You will need an interface for interacting with the system, a server to handle the logical side of things, and a database to store all the important information. There are many Blockchain APIs that can make things a bit easier, They also comes with easy to follow guides. 

Simply search for blockchain API in your favorite search engine.