A method signature comprises the method’s name along with its parameter types in programming. In the context of smart contracts, it specifies how a function can be called and what inputs it expects.For example, if a contract includes a method named `transfer`, its signature may look like `transfer(address to, uint256 amount)`. Here, the method name is `transfer`, and it requires two parameters: an address and a numerical value.Method signatures are vital for ensuring that calls to functions are appropriately formatted. They help maintain the integrity of smart contracts by preventing incorrect data types or amounts from being passed, which could lead to errors or security vulnerabilities.When interacting with a contract, users need to understand its method signatures to call functions correctly. This not only facilitates transactions but also enhances overall user experience by providing clarity on how to engage with the contract’s features.