blockchain/contracts/MyRewardToken.sol

// contracts/MyRewardToken.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract MyRewardToken is ERC20Burnable, Ownable {
    constructor() ERC20("MyApp Reward Token", "MRT") Ownable(msg.sender) {}
    function mint(address to, uint256 amount) public onlyOwner {
	_mint(to, amount);
    }
}