creation_sourcecode: // SPDX-License-Identifier: MIT
  pragma solidity ^0.8.0;
  
  contract FiatBridgeWT {
      string public name = "Fiat Bridge WT";
      string public symbol = "WT";
      uint256 public totalSupply = 21000000 * 10 ** 18;
      uint8 public decimals = 18;
  
      mapping(address => uint256) public balanceOf;
  
      event Transfer(address indexed from, address indexed to, uint256 value);
  
      constructor() {
          balanceOf[msg.sender] = totalSupply;
      }
  
      function transfer(address _to, uint256 _value) public returns (bool success) {
          require(balanceOf[msg.sender] >= _value, "Not enough balance");
          require(_to != address(0), "Invalid address");
  
          balanceOf[msg.sender] -= _value;
          balanceOf[_to] += _value;
  
          emit Transfer(msg.sender, _to, _value);
          return true;
      }
  
      function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
          require(balanceOf[_from] >= _value, "Not enough balance");
          require(_to != address(0), "Invalid address");
  
          balanceOf[_from] -= _value;
          balanceOf[_to] += _value;
  
          emit Transfer(_from, _to, _value);
          return true;
      }
  }