ETH Price: $3,104.91 (-0.07%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

722,967 ( 0.014%)

Market

Price

$14.86 @ 0.004786 ETH (+1.21%)

Onchain Market Cap

$14,860,000,000.00

Circulating Supply Market Cap

$9,305,116,595.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x721dbdb8462cbd01a6c6813641319318831a2fa3
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OVERVIEW

A blockchain-based middleware, acting as a bridge between cryptocurrency smart contracts, data feeds, APIs and traditional bank account payments.

Profitability / Loss

Since Initial Offer Price
:$0.11 13409.09% |ETH 0.0003846 1144.41%

Market

Volume (24H):$960,323,471.00
Market Capitalization:$9,305,116,595.00
Circulating Supply:626,849,971.00 LINK
Market Data Source: Coinmarketcap

ICO Information

ICO Start Date : Sep 19, 2017   
Total Cap : $32,000,000
ICO Price  : $0.11 | 0.0003846 ETH
Country : USA

# Exchange Pair Price  24H Volume % Volume
1
WhiteBIT
LINK-USDT$14.93
0.0047941 Eth
$86,126,090.00
5,769,801.660 LINK
15.7063%
2
Binance
LINK-USDT$14.92
0.0047935 Eth
$77,654,621.00
5,277,906.700 LINK
14.3672%
3
Coinbase Exchange
LINK-USD$14.93
0.0047980 Eth
$34,775,668.00
2,328,935.720 LINK
6.3397%
4
Bybit
LINK-USDT$14.93
0.0047923 Eth
$17,858,634.00
1,210,600.584 LINK
3.2954%
5
BTSE
LINK-USDT$14.93
0.0047947 Eth
$15,768,016.00
1,056,203.997 LINK
2.8751%
6
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$14.94
0.0048029 Eth
$15,513,938.00
1,054,408.239 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.8703%
7
P2B
LINK-USDT$14.93
0.0047967 Eth
$15,016,277.00
1,005,571.920 LINK
2.7373%
8
OKX
LINK-USDT$14.93
0.0047976 Eth
$14,731,924.00
1,000,766.339 LINK
2.7242%
9
Upbit
LINK-KRW$14.93
0.0047962 Eth
$14,655,717.00
981,544.343 LINK
2.6719%
10
HTX
LINK-USDT$14.91
0.0047906 Eth
$14,240,600.00
969,694.009 LINK
2.6397%
11
Bitget
LINK-USDT$14.93
0.0047962 Eth
$11,107,434.00
755,808.456 LINK
2.0574%
12
Hotcoin
LINK-USDT$14.93
0.0047983 Eth
$11,004,740.00
736,958.870 LINK
2.0061%
13
DigiFinex
LINK-USDT$14.94
0.0047989 Eth
$10,559,174.00
706,787.140 LINK
1.9240%
14
Gate.io
LINK-USDT$14.94
0.0048006 Eth
$10,475,326.00
709,556.800 LINK
1.9315%
15
Bitunix
LINK-USDT$14.91
0.0047945 Eth
$10,209,904.00
684,822.810 LINK
1.8642%
16
MEXC
LINK-USDT$14.92
0.0047930 Eth
$10,059,364.00
674,249.380 LINK
1.8354%
17
Ourbit
LINK-USDT$14.94
0.0048018 Eth
$9,942,282.00
675,496.790 LINK
1.8388%
18
WEEX
LINK-USDT$14.90
0.0047991 Eth
$9,012,477.00
604,815.517 LINK
1.6464%
19
Slex
LINK-USDT$14.89
0.0047854 Eth
$8,711,816.00
592,957.840 LINK
1.6141%
20
XT.COM
LINK-USDT$14.85
0.0047861 Eth
$7,756,751.00
527,737.270 LINK
1.4366%
21
CoinW
LINK-USDT$14.83
0.0047736 Eth
$7,121,688.00
480,181.590 LINK
1.3071%
22
Azbit
LINK-USDT$14.88
0.0047797 Eth
$6,934,633.00
472,424.850 LINK
1.2860%
23
Biconomy.com
LINK-USDT$14.90
0.0047892 Eth
$6,289,538.00
427,980.750 LINK
1.1650%
24
Toobit
LINK-USDT$14.90
0.0047886 Eth
$6,193,813.00
420,888.270 LINK
1.1457%
25
WhiteBIT
LINK-BTC$14.91
0.0047902 Eth
$6,167,496.00
413,512.570 LINK
1.1256%
26
Coinstore
LINK-USDT$14.88
0.0047979 Eth
$5,163,647.00
350,759.400 LINK
0.9548%
27
Binance
LINK-BTC$14.93
0.0047967 Eth
$4,799,963.00
320,149.840 LINK
0.8715%
28
Binance
LINK-FDUSD$14.91
0.0047940 Eth
$4,258,366.00
289,202.620 LINK
0.7873%
29
ProBit Global
LINK-USDT$14.83
0.0047810 Eth
$4,054,806.00
273,393.424 LINK
0.7442%
30
BYDFi
LINK-USDT$14.93
0.0047960 Eth
$3,873,061.00
259,377.180 LINK
0.7061%
31
LATOKEN
LINK-USDT$14.95
0.0048014 Eth
$3,799,026.00
254,168.995 LINK
0.6919%
32
Kraken
LINK-USD$14.93
0.0047955 Eth
$3,579,921.00
239,797.214 LINK
0.6528%
33
C-Patex
LINK-USDT$14.92
0.0047931 Eth
$3,476,097.00
232,923.462 LINK
0.6341%
34
KuCoin
LINK-USDT$14.93
0.0047956 Eth
$3,314,974.00
222,075.035 LINK
0.6045%
35
FMCPAY
LINK-USDT$14.92
0.0047925 Eth
$3,067,700.00
208,203.430 LINK
0.5668%
36
Bithumb
LINK-KRW$14.92
0.0047916 Eth
$3,048,467.00
204,362.275 LINK
0.5563%
37
Bitvavo
LINK-EUR$14.90
0.0047863 Eth
$3,018,130.00
202,534.569 LINK
0.5513%
38
LBank
LINK-USDT$14.83
0.0047754 Eth
$2,662,347.00
179,574.570 LINK
0.4888%
39
Kraken
LINK-USDT$14.94
0.0048001 Eth
$2,629,939.00
175,994.717 LINK
0.4791%
40
Dex-Trade
LINK-USDT$14.95
0.0048027 Eth
$2,528,568.00
169,141.653 LINK
0.4604%
41
WhiteBIT
LINK-EUR$14.83
0.0047675 Eth
$2,330,233.00
157,150.300 LINK
0.4278%
42
WhiteBIT
LINK-TRY$14.91
0.0047944 Eth
$2,325,352.00
155,943.120 LINK
0.4245%
43
Trubit
LINK-USDT$14.83
0.0047804 Eth
$2,117,581.00
143,852.310 LINK
0.3916%
44
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$14.83
0.0047662 Eth
$1,964,513.00
134,604.447 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3664%
45
CoinEx
LINK-USDT$14.95
0.0048015 Eth
$1,886,063.00
127,911.329 LINK
0.3482%
46
Binance
LINK-USDC$14.83
0.0047765 Eth
$1,885,323.00
127,957.500 LINK
0.3483%
47
Dcoin
LINK-USDT$14.87
0.0047794 Eth
$1,844,197.00
124,055.000 LINK
0.3377%
48
AscendEX (BitMax)
LINK-USDT$14.98
0.0048135 Eth
$1,838,960.00
122,760.900 LINK
0.3342%
49
Tokpie
LINK-USDT$14.87
0.0047750 Eth
$1,663,477.00
111,903.770 LINK
0.3046%
50
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$14.80
0.0047544 Eth
$1,628,752.00
107,655.874 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2931%
51
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$14.92
0.0047944 Eth
$1,409,896.00
95,980.991 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2613%
52
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$14.90
0.0047913 Eth
$1,408,226.00
95,416.762 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.2597%
53
FMCPAY
LINK-BTC$14.89
0.0047867 Eth
$1,364,886.00
90,903.550 LINK
0.2475%
54
Azbit
LINK-ETH$14.89
0.0047824 Eth
$1,254,861.00
85,489.086 LINK
0.2327%
55
FMCPAY
LINK-ETH$14.88
0.0047827 Eth
$1,228,686.00
83,514.240 LINK
0.2273%
56
Coinbase Exchange
LINK-EUR$14.89
0.0047862 Eth
$1,086,018.00
72,950.500 LINK
0.1986%
57
BigONE
LINK-USDT$15.00
0.0048143 Eth
$1,064,077.00
70,949.900 LINK
0.1931%
58
LATOKEN
LINK-BTC$14.91
0.0047905 Eth
$953,303.00
63,944.587 LINK
0.1741%
59
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$14.93
0.0047942 Eth
$916,690.00
62,009.742 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1688%
60
Phemex
LINK-USDT$14.86
0.0047896 Eth
$863,709.00
58,139.110 LINK
0.1583%
61
PointPay
LINK-USDT$14.93
0.0047967 Eth
$839,785.00
57,085.858 LINK
0.1554%
62
AscendEX (BitMax)
LINK-BTC$15.04
0.0048312 Eth
$813,257.00
54,090.500 LINK
0.1472%
63
Hotcoin
LINK-BTC$14.92
0.0047926 Eth
$771,049.00
51,686.490 LINK
0.1407%
64
Kraken
LINK-XBT$14.93
0.0047958 Eth
$766,350.00
51,330.340 LINK
0.1397%
65
ProBit Global
LINK-BTC$14.87
0.0047799 Eth
$734,993.00
49,436.492 LINK
0.1346%
66
Tapbit
LINK-USDT$14.90
0.0047891 Eth
$723,950.00
49,213.890 LINK
0.1340%
67
EarnBIT
LINK-USDT$14.85
0.0047745 Eth
$697,666.00
47,399.193 LINK
0.1290%
68
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$14.90
0.0047884 Eth
$690,285.00
47,027.339 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1280%
69
Binance
LINK-EUR$14.93
0.0047969 Eth
$662,319.00
45,029.360 LINK
0.1226%
70
BitStorage
LINK-USDT$14.94
0.0047999 Eth
$635,347.00
42,520.190 LINK
0.1157%
71
itBit
LINK-USD$14.91
0.0047900 Eth
$625,062.00
41,922.318 LINK
0.1141%
72
tanX
LINK-USDC$14.84
0.0047715 Eth
$616,183.00
41,973.620 LINK
0.1143%
73
Bybit
LINK-USDC$14.86
0.0047702 Eth
$566,464.00
38,525.617 LINK
0.1049%
74
WEEX
LINK-USDC$14.92
0.0047939 Eth
$502,958.00
33,700.505 LINK
0.0917%
75
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$14.89
0.0047876 Eth
$493,010.00
33,335.340 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0907%
76
KickEX
LINK-USDT$14.86
0.0047787 Eth
$455,490.00
30,655.238 LINK
0.0834%
77
Nonkyc.io
LINK-USDT$14.86
0.0047763 Eth
$441,421.00
29,995.439 LINK
0.0817%
78
Binance
LINK-ETH$14.94
0.0047984 Eth
$426,655.00
28,965.840 LINK
0.0788%
79
Gemini
LINK-USD$14.93
0.0047977 Eth
$423,330.00
28,352.356 LINK
0.0772%
80
Bitbank
LINK-JPY$14.94
0.0047984 Eth
$421,244.00
28,200.499 LINK
0.0768%
81
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$14.93
0.0047942 Eth
$397,565.00
391,831.915 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0666%
82
BitMart
LINK-BTC$14.94
0.0047997 Eth
$387,488.00
25,933.600 LINK
0.0706%
83
Coinbase Exchange
LINK-GBP$14.84
0.0047709 Eth
$373,713.00
25,185.290 LINK
0.0686%
84
Coinbase Exchange
LINK-BTC$14.85
0.0047708 Eth
$353,850.00
23,825.840 LINK
0.0649%
85
Kraken
LINK-ETH$15.00
0.0048182 Eth
$328,054.00
21,871.062 LINK
0.0595%
86
BYDFi
LINK-USDC$14.85
0.0047860 Eth
$323,391.00
21,772.400 LINK
0.0593%
87
Coinbase Exchange
LINK-USDT$14.94
0.0047984 Eth
$312,753.00
20,933.491 LINK
0.0570%
88
Binance
LINK-TRY$14.91
0.0048033 Eth
$301,483.00
20,423.180 LINK
0.0556%
89
Slex
LINK-BTC$14.86
0.0047767 Eth
$257,754.00
17,213.200 LINK
0.0469%
90
OKX
LINK-USDC$14.94
0.0048002 Eth
$255,536.00
17,315.664 LINK
0.0471%
91
Slex
LINK-ETH$14.86
0.0047785 Eth
$247,787.00
16,908.860 LINK
0.0460%
92
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$14.74
0.0047505 Eth
$237,815.00
16,212.649 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0441%
93
BitDelta
LINK-USDT$14.83
0.0047672 Eth
$221,193.00
15,057.000 LINK
0.0410%
94
Hotcoin
LINK-ETH$14.93
0.0047945 Eth
$210,160.00
14,080.160 LINK
0.0383%
95
Kraken
LINK-GBP$14.85
0.0047701 Eth
$192,109.00
12,936.645 LINK
0.0352%
96
Bitso
LINK-USD$14.80
0.0047683 Eth
$132,221.00
8,933.971 LINK
0.0243%
97
Coinbase Exchange
LINK-ETH$14.91
0.0047901 Eth
$96,314.00
6,460.850 LINK
0.0176%
98
Bitcointry
LINK-USDT$14.94
0.0047974 Eth
$80,320.00
5,445.094 LINK
0.0148%
99
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$14.93
0.0047983 Eth
$64,144.00
4,358.351 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0119%
100
Binance US
LINK-USDT$14.89
0.0047866 Eth
$62,163.00
4,174.965 LINK
0.0114%

Contract Source Code Verified (Exact Match)

Contract Name:
LinkToken

Compiler Version
v0.4.16+commit.d7661dd9

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Audited

Contract Source Code (Solidity)Audit Report

/**
 *Submitted for verification at Etherscan.io on 2017-09-23
*/

pragma solidity ^0.4.16;


/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

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

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


/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  uint256 public totalSupply;
  function balanceOf(address who) constant returns (uint256);
  function transfer(address to, uint256 value) returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) constant returns (uint256);
  function transferFrom(address from, address to, uint256 value) returns (bool);
  function approve(address spender, uint256 value) returns (bool);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

contract ERC677 is ERC20 {
  function transferAndCall(address to, uint value, bytes data) returns (bool success);

  event Transfer(address indexed from, address indexed to, uint value, bytes data);
}

contract ERC677Receiver {
  function onTokenTransfer(address _sender, uint _value, bytes _data);
}

/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
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) returns (bool) {
    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) constant returns (uint256 balance) {
    return balances[_owner];
  }

}


/**
 * @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)) 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) returns (bool) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // require (_value <= _allowance);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = _allowance.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.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) 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) constant returns (uint256 remaining) {
    return allowed[_owner][_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
   */
  function increaseApproval (address _spender, uint _addedValue) 
    returns (bool success) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  function decreaseApproval (address _spender, uint _subtractedValue) 
    returns (bool success) {
    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 ERC677Token is ERC677 {

  /**
  * @dev transfer token to a contract address with additional data if the recipient is a contact.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  * @param _data The extra data to be passed to the receiving contract.
  */
  function transferAndCall(address _to, uint _value, bytes _data)
    public
    returns (bool success)
  {
    super.transfer(_to, _value);
    Transfer(msg.sender, _to, _value, _data);
    if (isContract(_to)) {
      contractFallback(_to, _value, _data);
    }
    return true;
  }


  // PRIVATE

  function contractFallback(address _to, uint _value, bytes _data)
    private
  {
    ERC677Receiver receiver = ERC677Receiver(_to);
    receiver.onTokenTransfer(msg.sender, _value, _data);
  }

  function isContract(address _addr)
    private
    returns (bool hasCode)
  {
    uint length;
    assembly { length := extcodesize(_addr) }
    return length > 0;
  }

}

contract LinkToken is StandardToken, ERC677Token {

  uint public constant totalSupply = 10**27;
  string public constant name = 'ChainLink Token';
  uint8 public constant decimals = 18;
  string public constant symbol = 'LINK';

  function LinkToken()
    public
  {
    balances[msg.sender] = totalSupply;
  }

  /**
  * @dev transfer token to a specified address with additional data if the recipient is a contract.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  * @param _data The extra data to be passed to the receiving contract.
  */
  function transferAndCall(address _to, uint _value, bytes _data)
    public
    validRecipient(_to)
    returns (bool success)
  {
    return super.transferAndCall(_to, _value, _data);
  }

  /**
  * @dev transfer token to a specified address.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint _value)
    public
    validRecipient(_to)
    returns (bool success)
  {
    return super.transfer(_to, _value);
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * @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
    validRecipient(_spender)
    returns (bool)
  {
    return super.approve(_spender,  _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
   */
  function transferFrom(address _from, address _to, uint256 _value)
    public
    validRecipient(_to)
    returns (bool)
  {
    return super.transferFrom(_from, _to, _value);
  }


  // MODIFIERS

  modifier validRecipient(address _recipient) {
    require(_recipient != address(0) && _recipient != address(this));
    _;
  }

}

Contract Security Audit

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":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferAndCall","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":"success","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":"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":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","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"}]

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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