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Transaction Hash
Method
Block
From
To
Approve220982162025-03-21 22:23:5930 mins ago1742595839IN
PumaPay Token
0 ETH0.000023510.50995234
Approve220933842025-03-21 6:15:1116 hrs ago1742537711IN
PumaPay Token
0 ETH0.000023850.51811225
Approve220929822025-03-21 4:54:3517 hrs ago1742532875IN
PumaPay Token
0 ETH0.000066641.43906061
Approve220869522025-03-20 8:43:2338 hrs ago1742460203IN
PumaPay Token
0 ETH0.000067211.44893115
Transfer220806002025-03-19 11:24:232 days ago1742383463IN
PumaPay Token
0 ETH0.000189733.49527258
Approve220764082025-03-18 21:21:233 days ago1742332883IN
PumaPay Token
0 ETH0.000023290.50503084
Approve220741892025-03-18 13:54:233 days ago1742306063IN
PumaPay Token
0 ETH0.000046381
Transfer220738412025-03-18 12:44:353 days ago1742301875IN
PumaPay Token
0 ETH0.000037630.76116647
Approve220731102025-03-18 10:16:593 days ago1742293019IN
PumaPay Token
0 ETH0.000068691.4832436
Approve220571562025-03-16 4:48:235 days ago1742100503IN
PumaPay Token
0 ETH0.00003320.71574054
Transfer220567622025-03-16 3:29:115 days ago1742095751IN
PumaPay Token
0 ETH0.000033180.67086513
Approve220520332025-03-15 11:38:356 days ago1742038715IN
PumaPay Token
0 ETH0.00002420.52558164
Approve220504902025-03-15 6:29:236 days ago1742020163IN
PumaPay Token
0 ETH0.000023570.51201645
Approve220504082025-03-15 6:12:476 days ago1742019167IN
PumaPay Token
0 ETH0.000023580.51125963
Approve220468312025-03-14 18:13:237 days ago1741976003IN
PumaPay Token
0 ETH0.000050921.10410558
Approve220443892025-03-14 10:01:597 days ago1741946519IN
PumaPay Token
0 ETH0.000129122.78734948
Transfer220392242025-03-13 16:44:358 days ago1741884275IN
PumaPay Token
0 ETH0.000098933.0572991
Approve220365732025-03-13 7:52:118 days ago1741852331IN
PumaPay Token
0 ETH0.000027530.59704419
Approve220355452025-03-13 4:24:598 days ago1741839899IN
PumaPay Token
0 ETH0.000030180.65573197
Transfer220337432025-03-12 22:22:599 days ago1741818179IN
PumaPay Token
0 ETH0.000046210.85191619
Transfer220300572025-03-12 10:01:599 days ago1741773719IN
PumaPay Token
0 ETH0.000090781.83469391
Transfer220258392025-03-11 19:53:4710 days ago1741722827IN
PumaPay Token
0 ETH0.000064921.31232219
Approve220214832025-03-11 5:16:1110 days ago1741670171IN
PumaPay Token
0 ETH0.000058021.25195658
Transfer220176462025-03-10 16:24:3511 days ago1741623875IN
PumaPay Token
0 ETH0.00021323.92940541
Transfer220163162025-03-10 11:56:4711 days ago1741607807IN
PumaPay Token
0 ETH0.000107971.99036544
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Contract Source Code Verified (Exact Match)

Contract Name:
PumaPayToken

Compiler Version
v0.4.19+commit.c4cbbb05

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-05-08
*/

pragma solidity 0.4.19;

// File: node_modules/zeppelin-solidity/contracts/ownership/Ownable.sol

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
  address public owner;


  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  function Ownable() public {
    owner = msg.sender;
  }

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(msg.sender == owner);
    _;
  }

  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param newOwner The address to transfer ownership to.
   */
  function transferOwnership(address newOwner) public onlyOwner {
    require(newOwner != address(0));
    OwnershipTransferred(owner, newOwner);
    owner = newOwner;
  }

}

// File: node_modules/zeppelin-solidity/contracts/math/SafeMath.sol

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0) {
      return 0;
    }
    uint256 c = a * b;
    assert(c / a == b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  /**
  * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  /**
  * @dev Adds two numbers, throws on overflow.
  */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}

// File: node_modules/zeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol

/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  function totalSupply() public view returns (uint256);
  function balanceOf(address who) public view returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

// File: node_modules/zeppelin-solidity/contracts/token/ERC20/BasicToken.sol

/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  uint256 totalSupply_;

  /**
  * @dev total number of tokens in existence
  */
  function totalSupply() public view returns (uint256) {
    return totalSupply_;
  }

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[msg.sender]);

    // SafeMath.sub will throw if there is not enough balance.
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of.
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) public view returns (uint256 balance) {
    return balances[_owner];
  }

}

// File: node_modules/zeppelin-solidity/contracts/token/ERC20/ERC20.sol

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) public view returns (uint256);
  function transferFrom(address from, address to, uint256 value) public returns (bool);
  function approve(address spender, uint256 value) public returns (bool);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: node_modules/zeppelin-solidity/contracts/token/ERC20/StandardToken.sol

/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) internal allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[_from]);
    require(_value <= allowed[_from][msg.sender]);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   *
   * Beware that changing an allowance with this method brings the risk that someone may use both the old
   * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
   * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) public returns (bool) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Function to check the amount of tokens that an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint256 specifying the amount of tokens still available for the spender.
   */
  function allowance(address _owner, address _spender) public view returns (uint256) {
    return allowed[_owner][_spender];
  }

  /**
   * @dev Increase the amount of tokens that an owner allowed to a spender.
   *
   * approve should be called when allowed[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _addedValue The amount of tokens to increase the allowance by.
   */
  function increaseApproval(address _spender, uint _addedValue) public returns (bool) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  /**
   * @dev Decrease the amount of tokens that an owner allowed to a spender.
   *
   * approve should be called when allowed[_spender] == 0. To decrement
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _subtractedValue The amount of tokens to decrease the allowance by.
   */
  function decreaseApproval(address _spender, uint _subtractedValue) public returns (bool) {
    uint oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

// File: node_modules/zeppelin-solidity/contracts/token/ERC20/MintableToken.sol

/**
 * @title Mintable token
 * @dev Simple ERC20 Token example, with mintable token creation
 * @dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
 */
contract MintableToken is StandardToken, Ownable {
  event Mint(address indexed to, uint256 amount);
  event MintFinished();

  bool public mintingFinished = false;


  modifier canMint() {
    require(!mintingFinished);
    _;
  }

  /**
   * @dev Function to mint tokens
   * @param _to The address that will receive the minted tokens.
   * @param _amount The amount of tokens to mint.
   * @return A boolean that indicates if the operation was successful.
   */
  function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
    totalSupply_ = totalSupply_.add(_amount);
    balances[_to] = balances[_to].add(_amount);
    Mint(_to, _amount);
    Transfer(address(0), _to, _amount);
    return true;
  }

  /**
   * @dev Function to stop minting new tokens.
   * @return True if the operation was successful.
   */
  function finishMinting() onlyOwner canMint public returns (bool) {
    mintingFinished = true;
    MintFinished();
    return true;
  }
}

// File: contracts/PumaPayToken.sol

/// PumaPayToken inherits from MintableToken, which in turn inherits from StandardToken.
/// Super is used to bypass the original function signature and include the whenNotMinting modifier.
contract PumaPayToken is MintableToken {

    string public name = "PumaPay"; 
    string public symbol = "PMA";
    uint8 public decimals = 18;

    function PumaPayToken() public {
    }

    /// This modifier will be used to disable all ERC20 functionalities during the minting process.
    modifier whenNotMinting() {
        require(mintingFinished);
        _;
    }

    /// @dev transfer token for a specified address
    /// @param _to address The address to transfer to.
    /// @param _value uint256 The amount to be transferred.
    /// @return success bool Calling super.transfer and returns true if successful.
    function transfer(address _to, uint256 _value) public whenNotMinting returns (bool) {
        return super.transfer(_to, _value);
    }

    /// @dev Transfer tokens from one address to another.
    /// @param _from address The address which you want to send tokens from.
    /// @param _to address The address which you want to transfer to.
    /// @param _value uint256 the amount of tokens to be transferred.
    /// @return success bool Calling super.transferFrom and returns true if successful.
    function transferFrom(address _from, address _to, uint256 _value) public whenNotMinting returns (bool) {
        return super.transferFrom(_from, _to, _value);
    }
}

Contract Security Audit

Contract ABI

API
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Swarm Source

bzzr://52a0a55c86a5c72f7f97d799abd77920530f830ee54013f5ce813f6ff1320fa5

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.