ETH Price: $2,811.12 (-0.35%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

732,367 ( -0.001%)

Market

Price

$20.01 @ 0.007118 ETH (-1.71%)

Onchain Market Cap

$20,010,000,000.00

Circulating Supply Market Cap

$12,768,893,910.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x3d035aaaff33eff6bc5ca8fb88309a6855257170
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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 18090.91% |ETH 0.0003846 1750.75%

Market

Volume (24H):$1,121,830,886.00
Market Capitalization:$12,768,893,910.00
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$20.06
0.0071211 Eth
$172,164,434.00
8,581,425.450 LINK
25.6454%
2
Coinbase Exchange
LINK-USD$19.93
0.0070777 Eth
$63,782,121.00
3,200,307.130 LINK
9.5640%
3
Bybit
LINK-USDT$19.94
0.0070939 Eth
$57,237,990.00
2,852,606.001 LINK
8.5249%
4
Gate.io
LINK-USDT$19.91
0.0070819 Eth
$21,719,733.00
1,080,486.060 LINK
3.2290%
5
DigiFinex
LINK-USDT$19.93
0.0070894 Eth
$20,279,437.00
1,017,546.790 LINK
3.0409%
6
HTX
LINK-USDT$19.92
0.0070865 Eth
$18,397,910.00
918,834.800 LINK
2.7459%
7
P2B
LINK-USDT$19.85
0.0070617 Eth
$18,132,080.00
913,275.050 LINK
2.7293%
8
XT.COM
LINK-USDT$19.99
0.0070901 Eth
$17,052,847.00
850,470.420 LINK
2.5416%
9
Azbit
LINK-USDT$20.02
0.0071021 Eth
$16,876,202.00
841,739.785 LINK
2.5155%
10
MEXC
LINK-USDT$19.92
0.0070664 Eth
$16,713,380.00
839,027.630 LINK
2.5074%
11
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$19.96
0.0070957 Eth
$16,427,420.00
799,389.982 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.3890%
12
OKX
LINK-USDT$19.91
0.0070805 Eth
$15,957,478.00
797,546.698 LINK
2.3834%
13
Coinstore
LINK-USDT$19.90
0.0070727 Eth
$13,757,085.00
687,054.550 LINK
2.0532%
14
Bitunix
LINK-USDT$19.92
0.0070848 Eth
$12,442,636.00
624,508.430 LINK
1.8663%
15
CoinW
LINK-USDT$19.95
0.0070960 Eth
$11,496,204.00
576,304.180 LINK
1.7223%
16
KuCoin
LINK-USDT$19.92
0.0070801 Eth
$10,839,839.00
544,205.359 LINK
1.6263%
17
Binance
LINK-USDC$20.04
0.0071103 Eth
$10,726,885.00
534,219.210 LINK
1.5965%
18
BYDFi
LINK-USDT$19.92
0.0070663 Eth
$9,509,978.00
477,417.560 LINK
1.4268%
19
LATOKEN
LINK-USDT$19.92
0.0070812 Eth
$8,725,276.00
437,977.309 LINK
1.3089%
20
Binance
LINK-FDUSD$19.98
0.0070951 Eth
$8,432,927.00
420,688.590 LINK
1.2572%
21
LBank
LINK-USDT$19.93
0.0070908 Eth
$8,307,109.00
416,736.220 LINK
1.2454%
22
BTSE
LINK-USDT$19.92
0.0070846 Eth
$8,044,476.00
403,917.354 LINK
1.2071%
23
Bitget
LINK-USDT$19.94
0.0070944 Eth
$8,043,376.00
400,403.118 LINK
1.1966%
24
Hotcoin
LINK-USDT$19.93
0.0070901 Eth
$7,721,264.00
387,343.660 LINK
1.1576%
25
Kraken
LINK-USD$19.94
0.0070934 Eth
$6,501,182.00
325,987.534 LINK
0.9742%
26
QMall
LINK-USDT$20.05
0.0071108 Eth
$6,500,018.00
324,837.555 LINK
0.9708%
27
Bitvavo
LINK-EUR$19.96
0.0071003 Eth
$5,610,886.00
281,103.319 LINK
0.8401%
28
Coinbase Exchange
LINK-EUR$20.06
0.0071169 Eth
$5,557,357.00
277,078.920 LINK
0.8280%
29
Dex-Trade
LINK-USDT$20.01
0.0070954 Eth
$5,248,966.00
262,376.380 LINK
0.7841%
30
ProBit Global
LINK-USDT$20.06
0.0071157 Eth
$3,071,940.00
153,118.530 LINK
0.4576%
31
FMCPAY
LINK-USDT$20.01
0.0071031 Eth
$2,642,488.00
131,687.830 LINK
0.3935%
32
PointPay
LINK-USDT$19.94
0.0070734 Eth
$2,548,547.00
127,442.117 LINK
0.3809%
33
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.99
0.0070992 Eth
$2,130,155.00
103,996.915 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3108%
34
CoinEx
LINK-USDT$20.03
0.0071061 Eth
$2,084,834.00
103,884.992 LINK
0.3105%
35
Biconomy.com
LINK-USDT$20.01
0.0071010 Eth
$2,028,618.00
101,317.510 LINK
0.3028%
36
Coinbase Exchange
LINK-GBP$19.94
0.0070912 Eth
$1,996,625.00
100,146.970 LINK
0.2993%
37
Phemex
LINK-USDT$20.00
0.0070955 Eth
$1,783,388.00
89,184.070 LINK
0.2665%
38
EXMO
LINK-USDT$19.94
0.0070724 Eth
$1,639,841.00
82,252.233 LINK
0.2458%
39
Binance
LINK-ETH$19.97
0.0071036 Eth
$1,534,475.00
74,799.510 LINK
0.2235%
40
FMCPAY
LINK-ETH$20.00
0.0070920 Eth
$1,450,589.00
70,942.880 LINK
0.2120%
41
Coinbase Exchange
LINK-USDT$20.00
0.0070969 Eth
$1,438,157.00
71,905.149 LINK
0.2149%
42
BitStorage
LINK-USDT$20.03
0.0071061 Eth
$1,345,694.00
67,191.010 LINK
0.2008%
43
FMCPAY
LINK-BTC$19.94
0.0070750 Eth
$1,189,072.00
59,184.100 LINK
0.1769%
44
Binance
LINK-TRY$19.95
0.0070971 Eth
$1,084,307.00
53,830.800 LINK
0.1609%
45
Bitbank
LINK-JPY$20.11
0.0071320 Eth
$1,063,496.00
52,887.645 LINK
0.1581%
46
BigONE
LINK-USDT$19.94
0.0070889 Eth
$1,028,326.00
51,562.380 LINK
0.1541%
47
tanX
LINK-USDC$20.01
0.0070981 Eth
$834,263.00
41,676.180 LINK
0.1245%
48
Trubit
LINK-USDT$19.99
0.0070898 Eth
$818,609.00
40,868.280 LINK
0.1221%
49
ProBit Global
LINK-BTC$19.94
0.0070889 Eth
$807,995.00
40,514.161 LINK
0.1211%
50
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.05
0.0071275 Eth
$802,872.00
39,159.711 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1170%
51
QMall
LINK-USDC$19.96
0.0070824 Eth
$778,887.00
38,875.533 LINK
0.1162%
52
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$20.06
0.0071343 Eth
$763,038.00
37,874.986 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1132%
53
Binance
LINK-EUR$19.94
0.0070744 Eth
$740,034.00
36,867.670 LINK
0.1102%
54
EarnBIT
LINK-USDT$20.00
0.0070921 Eth
$722,722.00
36,140.664 LINK
0.1080%
55
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.93
0.0070831 Eth
$687,313.00
695,409.282 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.0782%
56
Bybit
LINK-USDC$19.96
0.0070989 Eth
$658,928.00
32,765.730 LINK
0.0979%
57
Gemini
LINK-USD$19.93
0.0070879 Eth
$655,602.00
32,902.887 LINK
0.0983%
58
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$19.94
0.0070800 Eth
$616,079.00
30,628.028 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0915%
59
LATOKEN
LINK-BTC$19.93
0.0070716 Eth
$555,427.00
27,862.521 LINK
0.0833%
60
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$20.03
0.0071197 Eth
$538,497.00
26,203.475 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0783%
61
OKX
LINK-USDC$19.92
0.0070848 Eth
$528,254.00
26,404.276 LINK
0.0789%
62
WhiteBIT
LINK-TRY$20.10
0.0071291 Eth
$507,368.00
25,244.390 LINK
0.0754%
63
Tokpie
LINK-USDT$19.89
0.0070585 Eth
$467,646.00
23,505.814 LINK
0.0702%
64
itBit
LINK-USD$20.00
0.0070943 Eth
$453,496.00
22,674.808 LINK
0.0678%
65
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.99
0.0071042 Eth
$435,279.00
21,155.087 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0632%
66
XT.COM
LINK-ETH$19.98
0.0071059 Eth
$429,628.00
20,942.990 LINK
0.0626%
67
GMO Japan
LINK-JPY$20.06
0.0071145 Eth
$401,135.00
19,997.400 LINK
0.0598%
68
BitDelta
LINK-USDT$20.01
0.0071005 Eth
$397,569.00
19,761.000 LINK
0.0591%
69
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.03
0.0071069 Eth
$373,001.00
18,211.387 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0544%
70
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.98
0.0070972 Eth
$350,562.00
17,136.400 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0512%
71
Slex
LINK-ETH$19.98
0.0070937 Eth
$330,943.00
16,213.800 LINK
0.0485%
72
Bitkub
LINK-THB$20.03
0.0071035 Eth
$318,792.00
15,918.999 LINK
0.0476%
73
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.96
0.0070908 Eth
$315,791.00
15,714.888 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0470%
74
Hotcoin
LINK-BTC$19.97
0.0071086 Eth
$307,567.00
15,399.070 LINK
0.0460%
75
BitStorage
LINK-ETH$20.02
0.0071020 Eth
$294,642.00
14,720.170 LINK
0.0440%
76
Binance
LINK-BNB$20.04
0.0071314 Eth
$284,111.00
13,998.489 LINK
0.0418%
77
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$19.95
0.0070900 Eth
$266,312.00
13,223.422 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0395%
78
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.96
0.0070957 Eth
$239,652.00
11,947.527 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0357%
79
Bitso
LINK-USD$19.95
0.0070847 Eth
$224,113.00
11,231.081 LINK
0.0336%
80
Coinbase Exchange
LINK-BTC$19.95
0.0070946 Eth
$217,795.00
10,918.980 LINK
0.0326%
81
Coinbase Exchange
LINK-ETH$19.98
0.0070880 Eth
$204,012.00
10,208.540 LINK
0.0305%
82
KuCoin
LINK-USDC$19.92
0.0070801 Eth
$191,250.00
9,601.571 LINK
0.0287%
83
PointPay
LINK-BTC$19.94
0.0070743 Eth
$189,049.00
9,407.947 LINK
0.0281%
84
Bitci TR
LINK-TRY$20.04
0.0071287 Eth
$188,924.00
9,412.580 LINK
0.0281%
85
CoinTR
LINK-TRY$20.01
0.0071023 Eth
$172,919.00
8,603.900 LINK
0.0257%
86
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$19.96
0.0070880 Eth
$152,485.00
7,587.794 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0227%
87
Mercado Bitcoin
LINK-BRL$20.04
0.0071101 Eth
$151,907.00
7,579.047 LINK
0.0226%
88
WhiteBIT
LINK-BTC$19.98
0.0070858 Eth
$151,518.00
7,584.990 LINK
0.0227%
89
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$19.99
0.0070992 Eth
$132,739.00
133,782.156 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3998%
90
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$20.04
0.0071172 Eth
$131,089.00
132,248.234 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.3952%
91
WhiteBIT
LINK-EUR$20.17
0.0071542 Eth
$122,229.00
6,060.730 LINK
0.0181%
92
KuCoin
LINK-BTC$19.90
0.0070735 Eth
$118,516.00
5,955.510 LINK
0.0178%
93
CoinEx
LINK-USDC$19.95
0.0070960 Eth
$111,368.00
5,423.851 LINK
0.0162%
94
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$20.01
0.0071136 Eth
$102,313.00
4,966.521 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0148%
95
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$20.18
0.0071665 Eth
$85,045.00
4,220.303 0X5947BB275C521040051D82396192181B413227A3
0.0126%
96
Hotcoin
LINK-ETH$20.03
0.0071057 Eth
$84,851.00
4,235.710 LINK
0.0127%
97
Binance US
LINK-USDT$20.02
0.0071076 Eth
$79,968.00
3,995.073 LINK
0.0119%
98
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$19.96
0.0070957 Eth
$71,919.00
3,594.129 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0107%
99
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.98
0.0070854 Eth
$67,683.00
3,361.659 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0100%
100
Dex-Trade
LINK-ETH$20.04
0.0071064 Eth
$36,868.00
1,840.050 LINK
0.0055%

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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