ETH Price: $3,588.07 (+3.66%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

729,336 ( 0.003%)

Market

Price

$23.32 @ 0.006499 ETH (+4.41%)

Onchain Market Cap

$23,320,000,000.00

Circulating Supply Market Cap

$14,730,375,470.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
divyangchauhan.eth
Balance
0 LINK

Value
$0.00
0x8b46d8b0522aef08be003684793d07cf50f7116b
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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 21100% |ETH 0.0003846 1589.81%

Market

Volume (24H):$1,208,539,061.00
Market Capitalization:$14,730,375,470.00
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$23.30
0.0065000 Eth
$45,693,957.00
1,960,945.730 LINK
10.4989%
2
Upbit
LINK-KRW$23.41
0.0065267 Eth
$35,687,649.00
1,524,436.286 LINK
8.1618%
3
P2B
LINK-USDT$23.31
0.0065038 Eth
$29,897,416.00
1,282,707.610 LINK
6.8676%
4
MEXC
LINK-USDT$23.32
0.0065006 Eth
$28,059,558.00
1,203,168.550 LINK
6.4418%
5
Slex
LINK-USDT$23.31
0.0065043 Eth
$21,821,912.00
955,468.400 LINK
5.1156%
6
OKX
LINK-USDT$23.34
0.0065068 Eth
$21,805,461.00
953,201.991 LINK
5.1034%
7
DigiFinex
LINK-USDT$23.35
0.0065110 Eth
$18,285,289.00
782,967.440 LINK
4.1920%
8
Gate.io
LINK-USDT$23.33
0.0065052 Eth
$17,604,644.00
769,982.400 LINK
4.1225%
9
XT.COM
LINK-USDT$23.31
0.0065024 Eth
$13,932,919.00
611,164.290 LINK
3.2722%
10
FameEX
LINK-USDT$23.32
0.0065079 Eth
$13,922,142.00
610,747.480 LINK
3.2699%
11
Coinstore
LINK-USDT$23.32
0.0064994 Eth
$12,848,313.00
564,009.450 LINK
3.0197%
12
Bitunix
LINK-USDT$23.32
0.0065088 Eth
$10,985,207.00
471,092.110 LINK
2.5222%
13
Binance
LINK-FDUSD$23.33
0.0065110 Eth
$9,415,677.00
410,347.510 LINK
2.1970%
14
BYDFi
LINK-USDT$23.31
0.0064977 Eth
$9,390,332.00
402,800.650 LINK
2.1566%
15
HTX
LINK-USDT$23.32
0.0065089 Eth
$9,382,212.00
409,935.544 LINK
2.1948%
16
Biconomy.com
LINK-USDT$23.36
0.0065121 Eth
$8,160,565.00
356,717.490 LINK
1.9099%
17
Kraken
LINK-USD$23.32
0.0065048 Eth
$8,144,051.00
349,185.235 LINK
1.8695%
18
Bithumb
LINK-KRW$23.46
0.0065419 Eth
$7,846,623.00
334,397.925 LINK
1.7904%
19
LBank
LINK-USDT$23.31
0.0065040 Eth
$7,054,638.00
302,678.240 LINK
1.6205%
20
LATOKEN
LINK-USDT$23.32
0.0065070 Eth
$6,746,715.00
289,333.340 LINK
1.5491%
21
Binance
LINK-USDC$23.26
0.0064793 Eth
$6,100,484.00
265,599.230 LINK
1.4220%
22
QMall
LINK-USDT$23.32
0.0065060 Eth
$5,575,176.00
244,423.380 LINK
1.3086%
23
Dex-Trade
LINK-USDT$23.38
0.0065056 Eth
$4,688,404.00
200,518.170 LINK
1.0736%
24
Hotcoin
LINK-USDT$23.33
0.0065103 Eth
$3,666,544.00
157,165.330 LINK
0.8415%
25
FMCPAY
LINK-USDT$23.30
0.0064996 Eth
$3,640,580.00
158,939.237 LINK
0.8510%
26
KuCoin
LINK-USDT$23.30
0.0064979 Eth
$3,448,534.00
148,016.585 LINK
0.7925%
27
BTSE
LINK-USDT$23.36
0.0065141 Eth
$3,381,869.00
144,740.875 LINK
0.7749%
28
CoinEx
LINK-USDT$23.31
0.0065051 Eth
$3,179,601.00
137,349.223 LINK
0.7354%
29
PointPay
LINK-USDT$23.32
0.0065070 Eth
$2,192,345.00
96,064.446 LINK
0.5143%
30
Bitvavo
LINK-EUR$23.35
0.0065169 Eth
$2,176,007.00
93,180.276 LINK
0.4989%
31
Dcoin
LINK-USDT$23.27
0.0064813 Eth
$2,158,002.00
92,739.000 LINK
0.4965%
32
EXMO
LINK-USDT$23.32
0.0065038 Eth
$2,007,682.00
86,094.217 LINK
0.4609%
33
Phemex
LINK-USDT$23.31
0.0065043 Eth
$1,582,607.00
67,894.350 LINK
0.3635%
34
ProBit Global
LINK-USDT$23.30
0.0064907 Eth
$1,569,356.00
67,351.690 LINK
0.3606%
35
FMCPAY
LINK-ETH$23.33
0.0065080 Eth
$1,529,222.00
65,780.000 LINK
0.3522%
36
FMCPAY
LINK-BTC$23.31
0.0065037 Eth
$1,492,743.00
64,991.900 LINK
0.3480%
37
Kraken
LINK-EUR$23.34
0.0065097 Eth
$1,473,243.00
63,119.448 LINK
0.3379%
38
Coinbase Exchange
LINK-EUR$23.38
0.0065213 Eth
$1,470,418.00
62,896.350 LINK
0.3367%
39
tanX
LINK-USDC$23.34
0.0065098 Eth
$1,245,453.00
54,608.570 LINK
0.2924%
40
BitStorage
LINK-USDT$23.34
0.0065092 Eth
$1,148,003.00
49,188.010 LINK
0.2634%
41
Bybit
LINK-USDC$23.30
0.0064966 Eth
$1,142,281.00
49,487.998 LINK
0.2650%
42
Kraken
LINK-USDT$23.30
0.0064975 Eth
$1,124,617.00
48,273.013 LINK
0.2585%
43
EarnBIT
LINK-USDT$23.29
0.0064992 Eth
$1,028,805.00
44,991.951 LINK
0.2409%
44
WhiteBIT
LINK-BTC$23.31
0.0064995 Eth
$1,027,346.00
44,068.020 LINK
0.2359%
45
Bitbank
LINK-JPY$23.28
0.0064925 Eth
$973,010.00
41,797.983 LINK
0.2238%
46
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.26
0.0064921 Eth
$902,510.00
38,927.848 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2084%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.34
0.0065127 Eth
$863,272.00
36,854.909 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1973%
48
Gemini
LINK-USD$23.30
0.0064955 Eth
$827,597.00
35,521.953 LINK
0.1902%
49
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.13
0.0064535 Eth
$749,577.00
32,204.037 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1724%
50
Binance
LINK-EUR$23.33
0.0065013 Eth
$748,157.00
32,864.930 LINK
0.1760%
51
Coinbase Exchange
LINK-GBP$23.31
0.0065009 Eth
$739,478.00
31,729.730 LINK
0.1699%
52
WhiteBIT
LINK-TRY$23.30
0.0064955 Eth
$732,263.00
31,429.740 LINK
0.1683%
53
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$23.34
0.0065136 Eth
$731,861.00
48,826.523 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2614%
54
Koinpark
LINK-USDT$23.31
0.0065038 Eth
$731,353.00
31,377.686 LINK
0.1680%
55
itBit
LINK-USD$23.34
0.0065050 Eth
$692,930.00
29,688.500 LINK
0.1590%
56
Binance
LINK-TRY$23.22
0.0064670 Eth
$619,349.00
27,028.670 LINK
0.1447%
57
ProBit Global
LINK-BTC$23.32
0.0065075 Eth
$619,012.00
26,542.638 LINK
0.1421%
58
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$23.28
0.0064898 Eth
$611,305.00
26,385.345 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1413%
59
BigONE
LINK-USDT$23.31
0.0065033 Eth
$566,484.00
24,306.040 LINK
0.1301%
60
Coinbase Exchange
LINK-ETH$23.35
0.0065146 Eth
$519,411.00
22,247.910 LINK
0.1191%
61
Bitbegin
LINK-USDT$23.34
0.0064949 Eth
$479,456.00
21,025.010 LINK
0.1126%
62
HashKey Exchange
LINK-USD$23.35
0.0065163 Eth
$453,800.00
20,191.279 LINK
0.1081%
63
Coinbase Exchange
LINK-BTC$23.32
0.0065057 Eth
$451,523.00
19,365.300 LINK
0.1037%
64
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.24
0.0064866 Eth
$436,462.00
18,724.607 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1003%
65
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.23
0.0064833 Eth
$429,720.00
418,118.383 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.2386%
66
Slex
LINK-ETH$23.33
0.0065037 Eth
$422,441.00
18,179.130 LINK
0.0973%
67
Coinbase Exchange
LINK-USDT$23.35
0.0065152 Eth
$394,128.00
16,879.863 LINK
0.0904%
68
Bitkub
LINK-THB$23.17
0.0064658 Eth
$389,465.00
16,807.726 LINK
0.0900%
69
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.27
0.0064927 Eth
$302,038.00
296,893.578 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.5896%
70
BitMart
LINK-BTC$23.31
0.0065057 Eth
$284,469.00
12,201.200 LINK
0.0653%
71
OKX
LINK-USDC$23.30
0.0064972 Eth
$259,055.00
11,281.236 LINK
0.0604%
72
LATOKEN
LINK-BTC$23.35
0.0065087 Eth
$258,719.00
11,081.786 LINK
0.0593%
73
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$23.34
0.0065130 Eth
$255,202.00
11,104.885 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0595%
74
Binance
LINK-BNB$23.30
0.0064958 Eth
$233,940.00
10,083.714 LINK
0.0540%
75
BitDelta
LINK-USDT$23.31
0.0064932 Eth
$233,570.00
10,227.000 LINK
0.0548%
76
Bitci TR
LINK-TRY$23.38
0.0065176 Eth
$231,316.00
10,137.270 LINK
0.0543%
77
Coinone
LINK-KRW$23.42
0.0065286 Eth
$216,338.00
9,238.401 LINK
0.0495%
78
PointPay
LINK-BTC$23.32
0.0065074 Eth
$197,103.00
8,522.507 LINK
0.0456%
79
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.27
0.0064927 Eth
$187,400.00
8,019.814 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0429%
80
BitStorage
LINK-ETH$23.32
0.0065051 Eth
$174,327.00
7,474.020 LINK
0.0400%
81
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$23.30
0.0064956 Eth
$162,240.00
6,984.665 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0374%
82
Binance
LINK-BRL$23.35
0.0065166 Eth
$160,505.00
6,891.700 LINK
0.0369%
83
KuCoin
LINK-USDC$23.32
0.0065026 Eth
$158,020.00
6,777.493 LINK
0.0363%
84
Binance US
LINK-USDT$23.32
0.0064937 Eth
$157,289.00
6,745.197 LINK
0.0361%
85
Bitso
LINK-USD$23.30
0.0065021 Eth
$143,947.00
6,177.172 LINK
0.0331%
86
Hotcoin
LINK-BTC$23.31
0.0065049 Eth
$131,574.00
5,644.600 LINK
0.0302%
87
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.26
0.0064854 Eth
$130,749.00
5,628.741 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0301%
88
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.33
0.0065070 Eth
$125,785.00
5,495.008 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0294%
89
EXMO
LINK-BTC$23.30
0.0065030 Eth
$123,533.00
5,301.228 LINK
0.0284%
90
CoinEx
LINK-BTC$23.36
0.0065188 Eth
$100,202.00
4,282.260 LINK
0.0229%
91
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$23.26
0.0064921 Eth
$95,001.00
4,154.238 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0222%
92
BitMart
LINK-ETH$23.34
0.0065059 Eth
$89,062.00
3,816.580 LINK
0.0204%
93
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.34
0.0065136 Eth
$84,155.00
3,742.326 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0200%
94
Mercado Bitcoin
LINK-BRL$23.29
0.0064960 Eth
$83,568.00
3,587.926 LINK
0.0192%
95
Kraken
LINK-GBP$23.20
0.0064701 Eth
$74,272.00
3,201.564 LINK
0.0171%
96
Independent Reserve
LINK-AUD$23.24
0.0064793 Eth
$70,192.00
3,020.273 LINK
0.0162%
97
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$23.34
0.0065130 Eth
$65,149.00
64,359.336 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3446%
98
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$23.36
0.0065177 Eth
$62,622.00
2,695.164 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0144%
99
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$23.21
0.0064765 Eth
$48,317.00
2,078.657 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0111%
100
Dex-Trade
LINK-ETH$23.33
0.0064962 Eth
$22,351.00
958.170 LINK
0.0051%

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

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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