ETH Price: $3,580.42 (-6.68%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

723,404 ( 0.023%)

Market

Price

$20.97 @ 0.005857 ETH (-11.99%)

Onchain Market Cap

$20,970,000,000.00

Circulating Supply Market Cap

$13,211,498,898.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
Premia: Multisig
Balance
9.46814 LINK

Value
$198.55 ( ~0.0554543922169841 Eth) [0.0000%]
0xc22fae86443aeed038a4ed887bba8f5035fd12f0
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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 18963.64% |ETH 0.0003846 1422.88%

Market

Volume (24H):$4,283,094,280.00
Market Capitalization:$13,211,498,898.00
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
Binance
LINK-USDT$21.04
0.0058787 Eth
$476,042,794.00
21,579,367.400 LINK
19.3032%
2
WhiteBIT
LINK-USDT$20.97
0.0058478 Eth
$245,766,516.00
11,721,620.190 LINK
10.4852%
3
Coinbase Exchange
LINK-USD$21.06
0.0058800 Eth
$190,555,434.00
9,047,357.060 LINK
8.0930%
4
Bitget
LINK-USDT$20.98
0.0058594 Eth
$161,375,243.00
7,293,067.661 LINK
6.5238%
5
Bybit
LINK-USDT$21.02
0.0058715 Eth
$134,344,767.00
6,098,327.623 LINK
5.4551%
6
Gate.io
LINK-USDT$20.96
0.0058558 Eth
$79,760,973.00
3,625,374.448 LINK
3.2430%
7
OKX
LINK-USDT$20.98
0.0058615 Eth
$72,766,110.00
3,297,085.876 LINK
2.9493%
8
MEXC
LINK-USDT$21.08
0.0058711 Eth
$67,067,447.00
3,180,945.210 LINK
2.8454%
9
DigiFinex
LINK-USDT$20.96
0.0058553 Eth
$58,113,663.00
2,772,523.190 LINK
2.4801%
10
Ourbit
LINK-USDT$21.07
0.0058843 Eth
$57,460,433.00
2,597,581.480 LINK
2.3236%
11
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$20.76
0.0058009 Eth
$56,076,369.00
2,652,540.886 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.3728%
12
Bitunix
LINK-USDT$21.11
0.0058804 Eth
$53,937,164.00
2,554,889.790 LINK
2.2854%
13
Deepcoin
LINK-USDT$21.09
0.0058761 Eth
$50,283,114.00
2,247,607.484 LINK
2.0105%
14
XT.COM
LINK-USDT$20.91
0.0058585 Eth
$47,395,592.00
2,146,967.080 LINK
1.9205%
15
Binance
LINK-FDUSD$21.02
0.0058725 Eth
$45,829,856.00
2,058,128.260 LINK
1.8410%
16
P2B
LINK-USDT$21.01
0.0058702 Eth
$43,629,301.00
2,076,126.580 LINK
1.8571%
17
CoinW
LINK-USDT$20.91
0.0058580 Eth
$35,009,721.00
1,674,073.070 LINK
1.4975%
18
Coinstore
LINK-USDT$21.02
0.0058748 Eth
$32,743,371.00
1,478,717.030 LINK
1.3227%
19
HTX
LINK-USDT$21.05
0.0058805 Eth
$29,611,018.00
1,327,853.961 LINK
1.1878%
20
Bithumb
LINK-KRW$21.10
0.0058937 Eth
$27,746,565.00
1,315,073.227 LINK
1.1764%
21
Hotcoin
LINK-USDT$21.06
0.0058824 Eth
$25,680,820.00
1,219,593.103 LINK
1.0910%
22
BYDFi
LINK-USDT$21.10
0.0058789 Eth
$25,205,619.00
1,194,625.370 LINK
1.0686%
23
Kraken
LINK-USD$21.04
0.0058770 Eth
$23,430,494.00
1,113,654.202 LINK
0.9962%
24
Binance
LINK-BTC$21.10
0.0058728 Eth
$22,816,734.00
1,048,770.930 LINK
0.9381%
25
LATOKEN
LINK-USDT$21.06
0.0058806 Eth
$22,274,165.00
1,057,883.069 LINK
0.9463%
26
KuCoin
LINK-USDT$21.06
0.0058821 Eth
$21,923,354.00
1,041,163.555 LINK
0.9313%
27
Slex
LINK-USDT$20.94
0.0058334 Eth
$20,929,654.00
933,187.120 LINK
0.8348%
28
BTSE
LINK-USDT$21.18
0.0059009 Eth
$19,416,183.00
916,898.571 LINK
0.8202%
29
Biconomy.com
LINK-USDT$20.97
0.0058636 Eth
$19,323,924.00
871,493.560 LINK
0.7796%
30
Binance
LINK-USDC$21.11
0.0058790 Eth
$15,742,801.00
714,655.940 LINK
0.6393%
31
Azbit
LINK-USDT$21.12
0.0058893 Eth
$11,252,528.00
502,641.170 LINK
0.4496%
32
Dex-Trade
LINK-USDT$20.99
0.0058646 Eth
$10,187,575.00
485,243.817 LINK
0.4341%
33
BingX
LINK-USDT$20.98
0.0058594 Eth
$9,260,134.00
418,763.986 LINK
0.3746%
34
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$21.09
0.0058898 Eth
$9,109,888.00
420,746.964 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3764%
35
Bitstamp
LINK-USD$20.99
0.0058624 Eth
$7,642,980.00
364,124.824 LINK
0.3257%
36
LBank
LINK-USDT$20.97
0.0058574 Eth
$6,658,103.00
317,546.760 LINK
0.2841%
37
CoinEx
LINK-USDT$21.06
0.0058818 Eth
$6,583,252.00
298,921.078 LINK
0.2674%
38
Bitstamp
LINK-EUR$21.05
0.0058793 Eth
$5,788,502.00
274,979.304 LINK
0.2460%
39
Kraken
LINK-EUR$21.06
0.0058824 Eth
$5,743,865.00
272,756.346 LINK
0.2440%
40
WhiteBIT
LINK-TRY$21.06
0.0058661 Eth
$5,660,476.00
268,796.070 LINK
0.2404%
41
WhiteBIT
LINK-BTC$21.02
0.0058540 Eth
$5,649,587.00
268,835.420 LINK
0.2405%
42
Coinbase Exchange
LINK-EUR$21.04
0.0058589 Eth
$5,446,663.00
258,869.890 LINK
0.2316%
43
PointPay
LINK-USDT$20.98
0.0058446 Eth
$5,304,927.00
240,447.257 LINK
0.2151%
44
C-Patex
LINK-USDT$20.99
0.0058528 Eth
$5,214,130.00
248,463.662 LINK
0.2223%
45
EXMO
LINK-USDT$21.05
0.0058814 Eth
$4,814,805.00
228,680.018 LINK
0.2046%
46
Phemex
LINK-USDT$20.95
0.0058351 Eth
$4,742,914.00
226,422.390 LINK
0.2025%
47
Tapbit
LINK-USDT$21.09
0.0058702 Eth
$4,332,138.00
196,339.590 LINK
0.1756%
48
LATOKEN
LINK-BTC$21.04
0.0058770 Eth
$4,299,356.00
204,316.764 LINK
0.1828%
49
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.98
0.0058607 Eth
$3,968,702.00
184,753.423 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1653%
50
Kraken
LINK-USDT$21.05
0.0058814 Eth
$3,651,356.00
173,420.892 LINK
0.1551%
51
CEX.IO
LINK-USDT$21.06
0.0058812 Eth
$3,541,060.00
167,691.947 LINK
0.1500%
52
Dcoin
LINK-USDT$21.08
0.0058764 Eth
$3,519,909.00
166,949.000 LINK
0.1493%
53
EarnBIT
LINK-USDT$21.00
0.0058662 Eth
$3,463,118.00
157,522.949 LINK
0.1409%
54
Bitbank
LINK-JPY$21.06
0.0058822 Eth
$3,249,835.00
154,316.999 LINK
0.1380%
55
Binance
LINK-ETH$21.00
0.0058495 Eth
$3,130,886.00
146,035.900 LINK
0.1306%
56
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.95
0.0058512 Eth
$3,095,933.00
143,650.564 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1285%
57
Gemini
LINK-USD$20.98
0.0058583 Eth
$2,941,404.00
140,231.239 LINK
0.1254%
58
Trubit
LINK-USDT$20.97
0.0058402 Eth
$2,886,354.00
131,174.590 LINK
0.1173%
59
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$21.14
0.0059047 Eth
$2,759,398.00
129,996.122 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1163%
60
ProBit Global
LINK-USDT$21.00
0.0058618 Eth
$2,731,722.00
130,101.302 LINK
0.1164%
61
BitMart
LINK-USDT$21.05
0.0058779 Eth
$2,690,640.00
127,848.640 LINK
0.1144%
62
Binance
LINK-EUR$21.05
0.0058808 Eth
$2,670,311.00
119,930.680 LINK
0.1073%
63
BitStorage
LINK-USDT$21.04
0.0058761 Eth
$2,517,742.00
119,678.150 LINK
0.1071%
64
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$21.08
0.0058879 Eth
$2,362,160.00
109,359.414 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0978%
65
Tokpie
LINK-USDT$20.64
0.0057568 Eth
$2,330,110.00
112,882.101 LINK
0.1010%
66
BigONE
LINK-USDT$20.91
0.0058359 Eth
$2,278,478.00
108,951.750 LINK
0.0975%
67
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$21.08
0.0058887 Eth
$2,057,017.00
138,867.523 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1242%
68
FMCPAY
LINK-ETH$20.96
0.0058579 Eth
$1,912,264.00
88,437.920 LINK
0.0791%
69
Bybit
LINK-USDC$20.99
0.0058639 Eth
$1,906,030.00
86,395.599 LINK
0.0773%
70
Binance
LINK-TRY$21.09
0.0058925 Eth
$1,903,602.00
85,014.390 LINK
0.0760%
71
FMCPAY
LINK-BTC$21.05
0.0058799 Eth
$1,847,437.00
84,245.800 LINK
0.0754%
72
Azbit
LINK-ETH$21.00
0.0058660 Eth
$1,828,496.00
84,335.069 LINK
0.0754%
73
Coinbase Exchange
LINK-USDT$21.07
0.0058840 Eth
$1,705,868.00
80,972.118 LINK
0.0724%
74
itBit
LINK-USD$21.04
0.0058767 Eth
$1,664,627.00
79,117.247 LINK
0.0708%
75
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$21.11
0.0058958 Eth
$1,623,403.00
75,048.071 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0671%
76
Kraken
LINK-XBT$21.06
0.0058823 Eth
$1,343,213.00
63,785.995 LINK
0.0571%
77
WhiteBIT
LINK-EUR$21.00
0.0058636 Eth
$1,339,731.00
63,786.660 LINK
0.0571%
78
XT.COM
LINK-XT$21.08
0.0058857 Eth
$1,329,688.00
62,344.760 LINK
0.0558%
79
Binance
LINK-BNB$20.92
0.0058574 Eth
$1,291,165.00
60,803.936 LINK
0.0544%
80
OKX
LINK-USDC$20.96
0.0058536 Eth
$1,272,761.00
58,346.994 LINK
0.0522%
81
Coinbase Exchange
LINK-BTC$21.02
0.0058655 Eth
$1,167,253.00
55,533.990 LINK
0.0497%
82
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$20.94
0.0058506 Eth
$1,073,328.00
1,133,069.060 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0136%
83
Nonkyc.io
LINK-USDT$20.87
0.0058292 Eth
$1,067,374.00
47,775.550 LINK
0.0427%
84
Slex
LINK-BTC$20.98
0.0058597 Eth
$1,029,566.00
47,165.300 LINK
0.0422%
85
Bitkub
LINK-THB$21.12
0.0058949 Eth
$986,458.00
46,697.875 LINK
0.0418%
86
HashKey Exchange
LINK-USD$21.18
0.0058951 Eth
$925,302.00
41,623.952 LINK
0.0372%
87
Coinbase Exchange
LINK-GBP$21.13
0.0058848 Eth
$886,464.00
41,946.480 LINK
0.0375%
88
XT.COM
LINK-ETH$21.07
0.0058705 Eth
$876,661.00
40,900.470 LINK
0.0366%
89
PointPay
LINK-BTC$21.04
0.0058606 Eth
$872,258.00
40,156.838 LINK
0.0359%
90
BitDelta
LINK-USDT$21.07
0.0058666 Eth
$842,423.00
38,079.000 LINK
0.0341%
91
Bitso
LINK-USD$21.06
0.0058834 Eth
$783,053.00
37,175.299 LINK
0.0333%
92
ProBit Global
LINK-BTC$20.82
0.0058420 Eth
$736,215.00
35,358.415 LINK
0.0316%
93
Bittime
LINK-IDR$21.17
0.0058984 Eth
$658,356.00
30,254.040 LINK
0.0271%
94
tanX
LINK-USDC$21.13
0.0058888 Eth
$591,670.00
26,302.480 LINK
0.0235%
95
Foxbit
LINK-BRL$21.24
0.0059154 Eth
$544,551.00
24,853.179 LINK
0.0222%
96
Kraken
LINK-GBP$21.08
0.0058893 Eth
$506,270.00
24,013.026 LINK
0.0215%
97
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$21.02
0.0058674 Eth
$502,087.00
22,621.634 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0202%
98
WEEX
LINK-USDC$21.00
0.0058639 Eth
$499,502.00
23,780.884 LINK
0.0213%
99
BYDFi
LINK-USDC$20.99
0.0058644 Eth
$480,799.00
22,906.880 LINK
0.0205%
100
Bitcointry
LINK-USDT$20.96
0.0058376 Eth
$475,866.00
21,550.429 LINK
0.0193%

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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