> For the complete documentation index, see [llms.txt](https://docs.klyntar.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.klyntar.org/smart-contracts-and-vms/kly-evm/smart-contracts-examples.md).

# Smart contracts examples

## Intro

## Default ERC-20 example following OpenZeppelin

```solidity
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import "@openzeppelin/contracts@4.9.5/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts@4.9.5/token/ERC20/extensions/ERC20Permit.sol";

contract MyToken is ERC20, ERC20Permit {
    constructor() ERC20("MyToken", "MTK") ERC20Permit("MyToken") {}
}

```

## Getter/Setter contract

```solidity
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Greeter {
    
    string greeting;

    constructor(string memory _greeting) {
        greeting = _greeting;
    }

    function setGreeting(string memory _greeting) public {
        greeting = _greeting;
    }

    function greet() public view returns (string memory) {
        return greeting;
    }
}

```