ETH Price: $3,465.90 (+1.61%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

728,065 ( 0.003%)

Market

Price

$23.11 @ 0.006668 ETH (-0.60%)

Onchain Market Cap

$23,110,000,000.00

Circulating Supply Market Cap

$14,588,787,003.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x2b035b64be36783858c629f897d0563827535356
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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 20909.09% |ETH 0.0003846 1633.75%

Market

Volume (24H):$2,553,996,073.00
Market Capitalization:$14,588,787,003.00
Circulating Supply:631,099,972.00 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
Coinbase Exchange
LINK-USD$23.08
0.0066683 Eth
$157,144,375.00
6,809,271.830 LINK
14.3903%
2
Bitget
LINK-USDT$23.10
0.0066789 Eth
$85,711,985.00
3,886,896.495 LINK
8.2143%
3
Gate.io
LINK-USDT$23.11
0.0066796 Eth
$60,167,670.00
2,724,199.440 LINK
5.7571%
4
OKX
LINK-USDT$23.10
0.0066798 Eth
$42,940,294.00
1,949,045.546 LINK
4.1190%
5
P2B
LINK-USDT$23.06
0.0066619 Eth
$39,473,403.00
1,711,891.910 LINK
3.6178%
6
DigiFinex
LINK-USDT$23.11
0.0066807 Eth
$38,496,458.00
1,665,992.280 LINK
3.5208%
7
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$23.11
0.0066807 Eth
$34,474,025.00
1,501,536.276 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.1732%
8
XT.COM
LINK-USDT$23.15
0.0066806 Eth
$34,359,111.00
1,562,053.490 LINK
3.3011%
9
WEEX
LINK-USDT$23.08
0.0066689 Eth
$30,038,566.00
1,301,509.803 LINK
2.7505%
10
Deepcoin
LINK-USDT$23.09
0.0066716 Eth
$28,806,630.00
1,327,831.930 LINK
2.8062%
11
FameEX
LINK-USDT$23.09
0.0066730 Eth
$28,499,936.00
1,296,487.395 LINK
2.7399%
12
HTX
LINK-USDT$23.11
0.0066799 Eth
$24,699,865.00
1,104,012.324 LINK
2.3331%
13
Binance
LINK-FDUSD$23.06
0.0066681 Eth
$24,699,546.00
1,117,317.320 LINK
2.3613%
14
Azbit
LINK-USDT$23.11
0.0066770 Eth
$24,654,195.00
1,125,237.019 LINK
2.3780%
15
Bitunix
LINK-USDT$23.12
0.0066792 Eth
$23,857,082.00
1,032,075.990 LINK
2.1811%
16
Slex
LINK-USDT$23.12
0.0066799 Eth
$23,273,929.00
1,032,588.450 LINK
2.1822%
17
Coinstore
LINK-USDT$23.08
0.0066676 Eth
$21,960,752.00
994,736.830 LINK
2.1022%
18
KuCoin
LINK-USDT$23.09
0.0066745 Eth
$19,120,450.00
828,017.468 LINK
1.7499%
19
BTSE
LINK-USDT$23.09
0.0066707 Eth
$17,607,487.00
762,664.634 LINK
1.6118%
20
BYDFi
LINK-USDT$23.09
0.0066760 Eth
$16,909,664.00
732,285.720 LINK
1.5476%
21
CoinW
LINK-USDT$23.07
0.0066634 Eth
$16,186,319.00
701,733.500 LINK
1.4830%
22
Kraken
LINK-USD$23.05
0.0066633 Eth
$14,543,073.00
631,002.163 LINK
1.3335%
23
Binance
LINK-BTC$23.10
0.0066772 Eth
$14,262,285.00
639,412.220 LINK
1.3513%
24
LATOKEN
LINK-USDT$23.17
0.0066877 Eth
$13,466,229.00
581,232.829 LINK
1.2283%
25
Hotcoin
LINK-USDT$23.10
0.0066746 Eth
$12,886,976.00
557,883.160 LINK
1.1790%
26
Binance
LINK-USDC$23.10
0.0066717 Eth
$11,894,626.00
539,119.820 LINK
1.1393%
27
QMall
LINK-USDT$23.24
0.0067056 Eth
$11,627,677.00
529,055.324 LINK
1.1181%
28
Biconomy.com
LINK-USDT$23.16
0.0066855 Eth
$9,846,284.00
444,060.055 LINK
0.9384%
29
Coinbase Exchange
LINK-EUR$23.07
0.0066694 Eth
$9,726,915.00
421,544.370 LINK
0.8909%
30
Bitvavo
LINK-EUR$23.12
0.0066837 Eth
$7,948,130.00
343,802.697 LINK
0.7266%
31
Bitstamp
LINK-USD$23.06
0.0066670 Eth
$7,764,531.00
336,709.941 LINK
0.7116%
32
LBank
LINK-USDT$23.19
0.0066986 Eth
$7,164,960.00
308,914.930 LINK
0.6528%
33
Dex-Trade
LINK-USDT$23.06
0.0066633 Eth
$7,161,786.00
310,549.670 LINK
0.6563%
34
WhiteBIT
LINK-TRY$23.34
0.0067398 Eth
$6,463,001.00
276,917.100 LINK
0.5852%
35
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.12
0.0066796 Eth
$5,784,990.00
250,720.235 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.5299%
36
Coinbase Exchange
LINK-GBP$23.06
0.0066605 Eth
$5,299,422.00
229,857.940 LINK
0.4858%
37
BingX
LINK-USDT$23.07
0.0066702 Eth
$5,183,318.00
233,739.760 LINK
0.4940%
38
FMCPAY
LINK-USDT$23.10
0.0066718 Eth
$4,854,476.00
218,403.433 LINK
0.4616%
39
PointPay
LINK-USDT$23.10
0.0066745 Eth
$4,765,818.00
216,746.050 LINK
0.4581%
40
CoinEx
LINK-USDT$23.17
0.0066882 Eth
$4,569,818.00
206,905.679 LINK
0.4373%
41
Coinbase Exchange
LINK-USDT$23.05
0.0066597 Eth
$4,005,411.00
173,756.072 LINK
0.3672%
42
Bitstamp
LINK-EUR$23.24
0.0067195 Eth
$3,691,859.00
158,848.522 LINK
0.3357%
43
Dcoin
LINK-USDT$23.05
0.0066596 Eth
$3,498,976.00
151,779.000 LINK
0.3208%
44
Tokpie
LINK-USDT$23.37
0.0067441 Eth
$3,404,132.00
145,680.520 LINK
0.3079%
45
Phemex
LINK-USDT$23.08
0.0066687 Eth
$3,338,510.00
144,651.820 LINK
0.3057%
46
WhiteBIT
LINK-BTC$23.07
0.0066649 Eth
$3,294,940.00
142,828.960 LINK
0.3018%
47
Kraken
LINK-EUR$23.12
0.0066830 Eth
$2,822,842.00
122,116.810 LINK
0.2581%
48
Bitbank
LINK-JPY$23.24
0.0067124 Eth
$2,652,749.00
114,165.950 LINK
0.2413%
49
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.08
0.0066668 Eth
$2,583,248.00
112,862.412 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2385%
50
EXMO
LINK-USDT$23.08
0.0066694 Eth
$2,530,705.00
109,641.257 LINK
0.2317%
51
Binance
LINK-EUR$23.16
0.0066953 Eth
$2,462,250.00
111,582.440 LINK
0.2358%
52
Gemini
LINK-USD$23.07
0.0066685 Eth
$2,263,886.00
98,151.528 LINK
0.2074%
53
Bybit
LINK-USDC$23.06
0.0066683 Eth
$2,255,520.00
102,796.235 LINK
0.2172%
54
BitStorage
LINK-USDT$23.10
0.0066746 Eth
$2,197,166.00
95,116.340 LINK
0.2010%
55
BigONE
LINK-USDT$23.13
0.0066876 Eth
$2,103,255.00
90,926.750 LINK
0.1922%
56
EarnBIT
LINK-USDT$23.06
0.0066630 Eth
$1,997,288.00
90,632.780 LINK
0.1915%
57
Kraken
LINK-USDT$23.09
0.0066741 Eth
$1,913,481.00
82,888.003 LINK
0.1752%
58
AscendEX (BitMax)
LINK-USDT$23.23
0.0067156 Eth
$1,845,705.00
79,458.400 LINK
0.1679%
59
FMCPAY
LINK-ETH$23.07
0.0066658 Eth
$1,837,495.00
79,730.880 LINK
0.1685%
60
FMCPAY
LINK-BTC$23.09
0.0066736 Eth
$1,817,323.00
80,367.900 LINK
0.1698%
61
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$23.16
0.0066951 Eth
$1,803,415.00
78,792.527 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1665%
62
Binance
LINK-ETH$23.13
0.0066883 Eth
$1,798,580.00
78,526.740 LINK
0.1660%
63
Binance
LINK-TRY$23.36
0.0067463 Eth
$1,791,105.00
80,086.260 LINK
0.1692%
64
WhiteBIT
LINK-EUR$23.11
0.0066779 Eth
$1,687,876.00
73,023.600 LINK
0.1543%
65
BitMart
LINK-USDT$23.09
0.0066706 Eth
$1,678,130.00
72,689.880 LINK
0.1536%
66
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$23.09
0.0066744 Eth
$1,673,840.00
127,814.649 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2701%
67
ProBit Global
LINK-USDT$23.19
0.0066947 Eth
$1,670,656.00
72,031.135 LINK
0.1522%
68
Koinpark
LINK-USDT$23.12
0.0066798 Eth
$1,534,974.00
66,382.785 LINK
0.1403%
69
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.09
0.0066719 Eth
$1,456,640.00
61,258.830 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1295%
70
OKX
LINK-USDC$23.09
0.0066750 Eth
$1,298,851.00
58,473.648 LINK
0.1236%
71
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.00
0.0066461 Eth
$1,176,812.00
51,371.620 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1086%
72
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$23.13
0.0066835 Eth
$1,071,849.00
48,323.779 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1021%
73
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.05
0.0066586 Eth
$1,017,814.00
967,768.793 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.0452%
74
HashKey Exchange
LINK-USD$23.14
0.0066846 Eth
$975,014.00
44,796.578 LINK
0.0947%
75
ProBit Global
LINK-BTC$23.04
0.0066553 Eth
$946,261.00
41,077.411 LINK
0.0868%
76
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.12
0.0066805 Eth
$943,121.00
40,769.704 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0862%
77
Coinbase Exchange
LINK-BTC$23.08
0.0066693 Eth
$940,275.00
40,732.610 LINK
0.0861%
78
itBit
LINK-USD$23.12
0.0066805 Eth
$932,365.00
40,327.201 LINK
0.0852%
79
Trubit
LINK-USDT$23.10
0.0066782 Eth
$896,430.00
40,316.050 LINK
0.0852%
80
Nonkyc.io
LINK-USDT$23.06
0.0066608 Eth
$868,523.00
38,955.118 LINK
0.0823%
81
Kraken
LINK-XBT$23.05
0.0066643 Eth
$866,834.00
37,604.723 LINK
0.0795%
82
tanX
LINK-USDC$23.09
0.0066694 Eth
$780,219.00
34,441.790 LINK
0.0728%
83
XT.COM
LINK-XT$23.10
0.0066734 Eth
$766,887.00
33,885.337 LINK
0.0716%
84
BitMart
LINK-BTC$23.08
0.0066693 Eth
$755,468.00
32,730.000 LINK
0.0692%
85
Slex
LINK-BTC$23.11
0.0066771 Eth
$710,699.00
31,717.800 LINK
0.0670%
86
LATOKEN
LINK-BTC$23.07
0.0066660 Eth
$707,272.00
30,654.260 LINK
0.0648%
87
BitDelta
LINK-USDT$23.11
0.0066777 Eth
$532,642.00
24,056.000 LINK
0.0508%
88
Bitkub
LINK-THB$23.39
0.0067609 Eth
$527,274.00
22,541.886 LINK
0.0476%
89
XT.COM
LINK-ETH$23.10
0.0066724 Eth
$502,808.00
21,950.990 LINK
0.0464%
90
Foxbit
LINK-BRL$23.33
0.0067388 Eth
$501,110.00
22,698.396 LINK
0.0480%
91
WEEX
LINK-USDC$23.06
0.0066725 Eth
$500,193.00
21,689.932 LINK
0.0458%
92
BYDFi
LINK-USDC$23.24
0.0067055 Eth
$467,057.00
20,098.730 LINK
0.0425%
93
Coinbase Exchange
LINK-ETH$23.03
0.0066517 Eth
$449,994.00
19,543.000 LINK
0.0413%
94
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.11
0.0066761 Eth
$434,951.00
19,666.741 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0416%
95
Slex
LINK-ETH$23.06
0.0066674 Eth
$405,840.00
17,590.940 LINK
0.0372%
96
Bitso
LINK-USD$23.07
0.0066648 Eth
$401,318.00
17,398.980 LINK
0.0368%
97
Binance US
LINK-USDT$23.05
0.0066602 Eth
$372,564.00
16,163.453 LINK
0.0342%
98
KuCoin
LINK-USDC$23.04
0.0066601 Eth
$358,394.00
15,553.824 LINK
0.0329%
99
Kraken
LINK-GBP$23.16
0.0066967 Eth
$270,716.00
11,687.279 LINK
0.0247%
100
Binance
LINK-BNB$23.21
0.0067016 Eth
$262,858.00
11,444.314 LINK
0.0242%

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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