// A basic ERC-20 token contract for DeFi platform
pragma solidity ^0.8.0;

import “@openzeppelin/contracts/token/ERC20/ERC20.sol”;

contract DeFiToken is ERC20 {
    constructor(uint256 initialSupply) ERC20(“DeFi Token”, “DFT”) {
        _mint(msg.sender, initialSupply);
    }
}

// A simple smart contract to handle lending on the DeFi platform
contract DeFiLending {
    mapping(address => uint256) public balances;

    function lend() public payable {
        require(msg.value > 0, “You need to lend some ether”);
        balances[msg.sender] += msg.value;
    }

    function withdraw(uint256 amount) public {
        require(balances[msg.sender] >= amount, “Insufficient balance”);
        payable(msg.sender).transfer(amount);
        balances[msg.sender] -= amount;
    }
}