Latest 25 transactions from a total of 86471 transactions

TxHash Age From To Value [TxFee]
0xb33043d11ae848c5ac44cf666ab3ae086f569b1a5e4c60f246acaefc274eabb26 mins agoKucoin  IN   UTRUST0 Ether0.000782325
0x82d19b80768db70fbe8bb58ec87b73bad679079bf61606c499bab2b4962595d016 mins ago0xd403795fd9353bc4924dc97e5b0bec2deb301181  IN   UTRUST0 Ether0.001302665
0x8205b38a070e06b00c48df47841c6b3cd134af80828a2d03bc8e166332ac5f6e20 mins ago0x3423940069110f235a4c3e1112abe0246170903b  IN   UTRUST0 Ether0.000244409
0x3cc93f6b612b3ace371669d9c291a35b55db72701c26e688e561c965a065e5d828 mins agoKucoin  IN   UTRUST0 Ether0.000782325
0x77f0722d2c55965cf93b98f6f078704ea049c8d15cb6d254e86a4dc2933a8bf537 mins agoKucoin  IN   UTRUST0 Ether0.000558285
0x1534e500974b03b413fe6cd180bbb8fab1393e42ceca2bcb5de2780789ef010f45 mins agoHuobi_10  IN   UTRUST0 Ether0.001079351
0x63080f201b60aec45a9d76cf515189c48fdf3ab02c5e47013c5d24dbaa7adf7952 mins agoHuobi_3  IN   UTRUST0 Ether0.001079351
0xa2ab3a99a0ff3f0646767c1170557fd15681c70ace1900623b9d3419323ba9681 hr 4 mins ago0x2b8faed099d55e3a1d99ae51af7c95e4d6109e2a  IN   UTRUST0 Ether0.000111095
0x06099e6d3c443c6c7249ffc46bad414d4c566a76ed1741141514f5551689d2a31 hr 8 mins agoHuobi_7  IN   UTRUST0 Ether0.001514351
0xfa067c5637415381afb5d1f6e5b27b0bb1e547bcc78d924b5cda86e28252de911 hr 10 mins agoHuobi_11  IN   UTRUST0 Ether0.001079351
0x4082e03634ff0003aa9731aac0ca6a4b6b08390c60a44ea6e637eeed30aa1c681 hr 11 mins agoOkex_1  IN   UTRUST0 Ether0.001829905
0xa2a1d710699f39dcddeaac54b62f86b216b1e39da4ee7238816e2d732320b2c62 hrs 27 mins agoHuobi_3  IN   UTRUST0 Ether0.001079351
0x4554882061f8b28ed8af15f2a89d38bbeaa30a53375f22865528eddab349235c2 hrs 38 mins agoKucoin  IN   UTRUST0 Ether0.000558285
0xf78a76d843d0721d8d5ba97bb54f60aaee28a6dfc8984382841cf399c5c749c13 hrs 30 mins ago0x394ac5cbc86b6799934971aeeea58f35c04b8c69  IN   UTRUST0 Ether0.000066849
0xd282b20c94430d1156b025c2e9318a5db3f2cc324d30bc20cb5cce1b413197413 hrs 35 mins agoKucoin  IN   UTRUST0 Ether0.000558285
0x5118f659c944867ae1acd49855fa9f284e5a4e4b15b137bd76bd1235ad3d23233 hrs 40 mins ago0xc6b1b388c97dd3da73d6052b5d42bdcd6a6484ab  IN   UTRUST0 Ether0.0001002735
0xdaf0520a6c6a79bcdaeaf69fe4de67d28b88eb9cf6572a4e2a3b8e514c1657273 hrs 41 mins ago0x1d6e8b7bcad1c2cc89681a78ab95a84cce3fd77d  IN   UTRUST0 Ether0.000148876
0x40865dabfa41bfc4379ec8506866ca8ddf8a2f3e1238d5ed529e34ff415ee45f3 hrs 44 mins agoKucoin  IN   UTRUST0 Ether0.000558285
0xdff5182c10fe6bba81bca815af046dd2c2caf654b7e28f6c5c0cae0b8670b2a23 hrs 52 mins agoKucoin  IN   UTRUST0 Ether0.000782325
0xc742622458d523b4cd6e42478ef191d3ad9a9dd9fa33214302d182765aa3f8404 hrs 43 mins agoKucoin  IN   UTRUST0 Ether0.000557325
0x72a416b30118465eb1fb9e5d2dbea482e6134b9a699608ca49262e24591ae3097 hrs 3 mins agoKucoin  IN   UTRUST0 Ether0.000783285
0x2753d05223f13b52ee9613c2798e6fe984a087cd1a9a7dd7d68e2cf67efe22c48 hrs 3 mins ago0xba88e58ce4c4a662a7bed29c220b981bb0a94c57  IN   UTRUST0 Ether0.001528603
0x5f03f4aa52d9a9cc6fa90a3822a18a99b02c37b8eed1386dd882499bec6166938 hrs 32 mins ago0x3423940069110f235a4c3e1112abe0246170903b  IN   UTRUST0 Ether0.000244409
0xcac9f4a1225fe16f1e9bda1e4f6fa4276a8f85f78aead1894a6ef4f32040e85a8 hrs 37 mins ago0x3278ff03a8f0761ea37a2931b27f6a225eb4518c  IN   UTRUST0 Ether0.000111095
0x48cda233416df44cb5beaef5b094c9acac7e4d7cac159d0468bf821adef203d38 hrs 43 mins agoKucoin  IN   UTRUST0 Ether0.000782325
[ Download CSV Export  ] 
 Internal Transactions as a result of Contract Execution
View All
ParentTxHash Block Age From To Value
Warning: The Compiled Contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity), NestedArrayFunctionCallDecoder (medium-severity) SolidityCompiler Bugs.

Contract Source Code Verified (Exact Match)
Contract Name: UtrustToken
Compiler Text: v0.4.18+commit.9cf6e910
Optimization Enabled: Yes
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.13;

library SafeMath {
  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;
  }

  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;
  }

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}

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;
  }

}

contract ERC20Basic {
  uint256 public totalSupply;
  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);
}

contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  /**
  * @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];
  }

}

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);
}

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;
  }

}

contract BurnableToken is StandardToken, Ownable {
    using SafeMath for uint256;

    /* This notifies clients about the amount burnt */
    event Burn(address indexed from, uint256 value);

    function burn(uint256 _value) public onlyOwner returns (bool success) {
        // Check if the sender has enough
        require(balances[msg.sender] >= _value);
        // Subtract from the sender
        balances[msg.sender] = balances[msg.sender].sub(_value);
        // Updates totalSupply
        totalSupply = totalSupply.sub(_value);
        Burn(msg.sender, _value);
        return true;
    }

}

contract UtrustToken is BurnableToken {
    using SafeMath for uint256;

    string public constant name = "UTRUST Token";
    string public constant symbol = "UTK";
    uint8 public constant decimals = 18;
    uint256 public constant INITIAL_SUPPLY = 1000000000;

    function UtrustToken() public {
        totalSupply = INITIAL_SUPPLY.mul(10 ** uint256(decimals));
        balances[msg.sender] = INITIAL_SUPPLY.mul(10 ** uint256(decimals));
        Transfer(0x0, msg.sender, totalSupply);
    }

}

    Contract ABI  
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"INITIAL_SUPPLY","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]

  Contract Creation Code Switch To Opcodes View
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

   Swarm Source:
bzzr://c735f363b0a9fd4564cc432d86d24e6f7dffb64197cdf2227cc41b2625f2768a

 

View All
Block Age transaction Difficulty GasUsed Reward
View All
Block Age UncleNumber Difficulty GasUsed Reward
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.