The Complete Solidity Course - Zero to Advanced for Blockchain and Smart Contracts - Overview of Functions in This Solid

The video tutorial introduces functions, focusing on their role in programming and Solidity. It explains the basic concepts of functions, including logic, inputs, and outputs. The tutorial then delves into the unique aspects of functions in Solidity, such as purity and structure. It covers function modifications and the use of modifiers, highlighting their importance in smart contracts. Advanced topics like cryptographic functions, function overloading, and mathematical functions are also discussed, providing a comprehensive understanding of functions in the context of blockchain technology.

Describe the relationship between functions and smart contracts as mentioned in the text.

What are cryptographic functions and how are they useful in the context of smart contracts?