The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Special Variables

The video tutorial covers the use of special variables in Solidity, focusing on creating a simple storage contract. It explains how to use global variables like block difficulty, timestamp, and block number. The tutorial also highlights the importance of these variables in understanding blockchain operations and encourages further exploration of Solidity documentation.

Describe the process of retrieving the stored data from a Solidity contract.

What are some global variables available in Solidity, and how can they be accessed?

How can you check the current block number in a Solidity contract?