ETH Price: $2,361.14 (-5.13%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

740,011 ( 0.008%)

Market

Price

$15.64 @ 0.006624 ETH (+1.47%)

Onchain Market Cap

$15,640,000,000.00

Circulating Supply Market Cap

$9,974,940,539.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0xb58acd6128b53118599aa5206d132041affb8217
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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 14118.18% |ETH 0.0003846 1622.31%

Market

Volume (24H):$814,962,062.00
Market Capitalization:$9,974,940,539.00
Circulating Supply:638,099,970.00 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
Binance
LINK-USDT$15.62
0.0066132 Eth
$94,024,018.00
6,148,690.580 LINK
16.9476%
2
WhiteBIT
LINK-USDT$15.63
0.0066147 Eth
$93,023,317.00
5,952,610.220 LINK
16.4071%
3
MEXC
LINK-USDT$15.63
0.0066206 Eth
$52,202,057.00
3,339,867.080 LINK
9.2056%
4
Coinbase Exchange
LINK-USD$15.62
0.0066166 Eth
$29,871,392.00
1,912,503.500 LINK
5.2714%
5
Gate.io
LINK-USDT$15.64
0.0066202 Eth
$19,888,437.00
1,303,375.960 LINK
3.5925%
6
HTX
LINK-USDT$15.63
0.0066150 Eth
$17,253,363.00
1,126,298.180 LINK
3.1044%
7
OKX
LINK-USDT$15.63
0.0066178 Eth
$16,286,544.00
1,060,954.192 LINK
2.9243%
8
P2B
LINK-USDT$15.63
0.0066235 Eth
$15,922,369.00
1,018,462.020 LINK
2.8072%
9
Hotcoin
LINK-USDT$15.63
0.0066212 Eth
$12,771,570.00
817,200.770 LINK
2.2524%
10
DigiFinex
LINK-USDT$15.63
0.0066166 Eth
$12,621,876.00
807,622.380 LINK
2.2260%
11
Slex
LINK-USDT$15.64
0.0066213 Eth
$9,606,072.00
626,967.390 LINK
1.7281%
12
XT.COM
LINK-USDT$15.66
0.0066343 Eth
$9,437,173.00
616,429.460 LINK
1.6991%
13
FameEX
LINK-USDT$15.66
0.0066387 Eth
$9,374,871.00
612,840.816 LINK
1.6892%
14
Binance
LINK-USDC$15.60
0.0066292 Eth
$9,343,396.00
612,917.150 LINK
1.6894%
15
MEXC
LINK-EUR$15.64
0.0066270 Eth
$9,091,025.00
581,129.030 LINK
1.6018%
16
MEXC
LINK-USDC$15.63
0.0066206 Eth
$8,818,444.00
564,240.690 LINK
1.5552%
17
Bybit
LINK-USDT$15.62
0.0066128 Eth
$7,949,274.00
519,699.690 LINK
1.4324%
18
Coinstore
LINK-USDT$15.60
0.0066110 Eth
$7,917,486.00
518,220.250 LINK
1.4284%
19
KuCoin
LINK-USDT$15.63
0.0066155 Eth
$7,585,757.00
485,428.871 LINK
1.3380%
20
Bitget
LINK-USDT$15.62
0.0066130 Eth
$6,757,763.00
441,335.541 LINK
1.2164%
21
CoinW
LINK-USDT$15.65
0.0066245 Eth
$6,619,044.00
422,948.360 LINK
1.1658%
22
Azbit
LINK-USDT$15.64
0.0066214 Eth
$5,545,613.00
362,706.314 LINK
0.9997%
23
Bitunix
LINK-USDT$15.62
0.0066175 Eth
$5,407,755.00
346,103.180 LINK
0.9540%
24
BYDFi
LINK-USDT$15.61
0.0066120 Eth
$5,385,982.00
345,065.450 LINK
0.9511%
25
Binance
LINK-FDUSD$15.49
0.0065957 Eth
$5,273,932.00
346,884.720 LINK
0.9561%
26
LATOKEN
LINK-USDT$15.65
0.0066291 Eth
$4,353,500.00
278,179.506 LINK
0.7667%
27
Kraken
LINK-USD$15.61
0.0066080 Eth
$3,972,876.00
254,522.071 LINK
0.7015%
28
QMall
LINK-USDT$15.63
0.0066224 Eth
$3,863,292.00
252,883.852 LINK
0.6970%
29
Binance
LINK-BTC$15.61
0.0066086 Eth
$3,680,604.00
239,409.030 LINK
0.6599%
30
Bitvavo
LINK-EUR$15.65
0.0066251 Eth
$3,620,157.00
231,302.102 LINK
0.6375%
31
BTSE
LINK-USDT$15.64
0.0066201 Eth
$3,338,137.00
213,426.372 LINK
0.5883%
32
Kraken
LINK-EUR$15.63
0.0066165 Eth
$2,956,453.00
189,160.775 LINK
0.5214%
33
Dex-Trade
LINK-USDT$15.62
0.0066165 Eth
$2,735,449.00
175,136.350 LINK
0.4827%
34
Bithumb
LINK-KRW$15.83
0.0067048 Eth
$2,730,650.00
172,543.623 LINK
0.4756%
35
Coinbase Exchange
LINK-EUR$15.61
0.0066093 Eth
$2,455,138.00
157,256.720 LINK
0.4334%
36
Biconomy.com
LINK-USDT$15.63
0.0066159 Eth
$2,155,847.00
140,330.240 LINK
0.3868%
37
Binance
LINK-ETH$15.61
0.0066163 Eth
$2,047,142.00
134,217.070 LINK
0.3699%
38
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$15.61
0.0066154 Eth
$2,019,670.00
133,298.052 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3674%
39
FMCPAY
LINK-USDT$15.64
0.0066184 Eth
$1,866,621.00
122,204.355 LINK
0.3368%
40
AscendEX (BitMax)
LINK-USDT$15.57
0.0066323 Eth
$1,776,607.00
114,087.600 LINK
0.3145%
41
Coinbase Exchange
LINK-GBP$15.61
0.0066099 Eth
$1,594,355.00
102,113.400 LINK
0.2815%
42
BigONE
LINK-USDT$15.67
0.0066320 Eth
$1,477,430.00
94,291.200 LINK
0.2599%
43
LATOKEN
LINK-BTC$15.57
0.0066155 Eth
$1,378,684.00
88,564.872 LINK
0.2441%
44
CoinEx
LINK-USDT$15.62
0.0066161 Eth
$1,345,245.00
88,282.885 LINK
0.2433%
45
WhiteBIT
LINK-BTC$15.66
0.0066298 Eth
$1,259,891.00
80,454.720 LINK
0.2218%
46
Tapbit
LINK-USDT$15.61
0.0066127 Eth
$1,251,766.00
81,776.590 LINK
0.2254%
47
PointPay
LINK-USDT$15.62
0.0066196 Eth
$1,112,000.00
73,020.572 LINK
0.2013%
48
Tokpie
LINK-USDT$15.52
0.0065769 Eth
$1,087,378.00
70,048.536 LINK
0.1931%
49
FMCPAY
LINK-ETH$15.62
0.0066181 Eth
$1,044,113.00
68,449.440 LINK
0.1887%
50
FMCPAY
LINK-BTC$15.62
0.0066184 Eth
$968,807.00
63,056.700 LINK
0.1738%
51
Phemex
LINK-USDT$15.62
0.0066192 Eth
$936,774.00
59,958.290 LINK
0.1653%
52
EXMO
LINK-USDT$15.64
0.0066210 Eth
$916,440.00
58,600.324 LINK
0.1615%
53
Gemini
LINK-USD$15.65
0.0066249 Eth
$908,635.00
58,062.929 LINK
0.1600%
54
Trubit
LINK-USDT$15.67
0.0066385 Eth
$848,430.00
55,316.380 LINK
0.1525%
55
EarnBIT
LINK-USDT$15.66
0.0066313 Eth
$787,701.00
51,206.188 LINK
0.1411%
56
OKX
LINK-USDC$15.62
0.0066106 Eth
$785,694.00
51,731.267 LINK
0.1426%
57
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$15.61
0.0066148 Eth
$775,121.00
52,115.879 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1436%
58
Bit2Me
LINK-USDC$15.62
0.0066173 Eth
$742,432.00
48,944.150 LINK
0.1349%
59
QMall
LINK-USDC$15.62
0.0066163 Eth
$736,211.00
48,290.405 LINK
0.1331%
60
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$15.65
0.0066248 Eth
$734,182.00
48,047.399 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1324%
61
BitStorage
LINK-USDT$15.61
0.0066150 Eth
$719,106.00
46,055.910 LINK
0.1269%
62
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$15.62
0.0066123 Eth
$631,858.00
39,983.233 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1102%
63
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$15.65
0.0066249 Eth
$579,197.00
37,928.531 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1045%
64
Binance
LINK-TRY$15.56
0.0066298 Eth
$566,989.00
37,101.310 LINK
0.1023%
65
Binance
LINK-EUR$15.63
0.0066185 Eth
$544,864.00
35,762.790 LINK
0.0986%
66
XT.COM
LINK-ETH$15.62
0.0066182 Eth
$541,850.00
35,488.960 LINK
0.0978%
67
Bitbank
LINK-JPY$15.60
0.0066015 Eth
$540,509.00
34,657.855 LINK
0.0955%
68
Bitstamp
LINK-EUR$15.49
0.0065561 Eth
$521,157.00
33,652.207 LINK
0.0928%
69
tanX
LINK-USDC$15.63
0.0066235 Eth
$492,892.00
32,154.740 LINK
0.0886%
70
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$15.65
0.0066271 Eth
$486,829.00
59,465.264 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1639%
71
BitStorage
LINK-ETH$15.63
0.0066254 Eth
$472,029.00
30,199.900 LINK
0.0832%
72
Bitstamp
LINK-USD$15.61
0.0066084 Eth
$464,506.00
29,756.940 LINK
0.0820%
73
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$15.63
0.0066234 Eth
$426,361.00
27,787.892 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0766%
74
BYDFi
LINK-USDC$15.62
0.0066205 Eth
$415,389.00
26,596.290 LINK
0.0733%
75
Hotcoin
LINK-BTC$15.65
0.0066247 Eth
$413,195.00
26,401.840 LINK
0.0728%
76
BitMart
LINK-BTC$15.64
0.0066211 Eth
$402,209.00
25,718.260 LINK
0.0709%
77
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$15.65
0.0066248 Eth
$391,006.00
376,217.634 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0370%
78
Binance
LINK-JPY$15.65
0.0066307 Eth
$370,136.00
24,132.760 LINK
0.0665%
79
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$15.66
0.0066280 Eth
$342,045.00
22,634.760 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0624%
80
WhiteBIT
LINK-TRY$15.53
0.0066152 Eth
$317,166.00
20,416.770 LINK
0.0563%
81
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$15.58
0.0065969 Eth
$296,900.00
19,557.921 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0539%
82
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$15.63
0.0066162 Eth
$296,292.00
19,473.880 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0537%
83
Coinbase Exchange
LINK-USDT$15.49
0.0065614 Eth
$288,884.00
18,649.611 LINK
0.0514%
84
BitDelta
LINK-USDT$15.57
0.0066218 Eth
$283,639.00
18,580.000 LINK
0.0512%
85
Coinone
LINK-KRW$15.70
0.0066469 Eth
$276,811.00
17,630.028 LINK
0.0486%
86
Slex
LINK-ETH$15.64
0.0066251 Eth
$243,288.00
15,924.610 LINK
0.0439%
87
Bitso
LINK-USD$15.49
0.0065609 Eth
$205,391.00
13,261.396 LINK
0.0366%
88
Bybit
LINK-USDC$15.62
0.0066124 Eth
$193,057.00
12,609.833 LINK
0.0348%
89
CoinTR
LINK-TRY$15.62
0.0066142 Eth
$179,099.00
11,666.980 LINK
0.0322%
90
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$15.62
0.0066114 Eth
$170,273.00
11,169.134 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0308%
91
Coinbase Exchange
LINK-BTC$15.65
0.0066245 Eth
$168,530.00
10,768.420 LINK
0.0297%
92
KuCoin
LINK-BTC$15.66
0.0066294 Eth
$148,136.00
9,459.781 LINK
0.0261%
93
Bitkub
LINK-THB$15.60
0.0066101 Eth
$145,311.00
9,312.301 LINK
0.0257%
94
PointPay
LINK-BTC$15.63
0.0066155 Eth
$142,939.00
9,285.976 LINK
0.0256%
95
BitMart
LINK-ETH$15.64
0.0066245 Eth
$127,772.00
8,171.480 LINK
0.0225%
96
Kraken
LINK-GBP$15.58
0.0065962 Eth
$124,329.00
7,979.740 LINK
0.0220%
97
KuCoin
LINK-USDC$15.64
0.0066211 Eth
$115,464.00
7,382.547 LINK
0.0203%
98
Bitstamp
LINK-GBP$15.51
0.0065670 Eth
$113,648.00
7,326.352 LINK
0.0202%
99
Mercado Bitcoin
LINK-BRL$15.63
0.0066162 Eth
$78,165.00
5,001.414 LINK
0.0138%
100
Binance
LINK-BNB$15.63
0.0066164 Eth
$70,001.00
4,570.500 LINK
0.0126%

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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