ETH Price: $2,703.54 (-1.38%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

732,625 ( 0.001%)

Market

Price

$18.69 @ 0.006913 ETH (-4.06%)

Onchain Market Cap

$18,690,000,000.00

Circulating Supply Market Cap

$11,928,071,037.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0xc36afcc62a3825c29c72b0f15e4144e641bf7a7d
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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 16890.91% |ETH 0.0003846 1697.45%

Market

Volume (24H):$663,884,976.00
Market Capitalization:$11,928,071,037.00
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$18.55
0.0068553 Eth
$86,496,303.00
4,491,068.440 LINK
21.3753%
2
Coinbase Exchange
LINK-USD$18.57
0.0068601 Eth
$42,326,754.00
2,279,308.250 LINK
10.8484%
3
Bybit
LINK-USDT$18.58
0.0068663 Eth
$35,692,020.00
1,848,463.391 LINK
8.7978%
4
Slex
LINK-USDT$18.66
0.0068957 Eth
$18,386,017.00
946,894.020 LINK
4.5068%
5
HTX
LINK-USDT$18.55
0.0068582 Eth
$15,775,795.00
814,421.768 LINK
3.8763%
6
Gate.io
LINK-USDT$18.62
0.0068771 Eth
$14,080,505.00
729,597.560 LINK
3.4725%
7
OKX
LINK-USDT$18.57
0.0068647 Eth
$11,140,044.00
578,127.672 LINK
2.7516%
8
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$18.70
0.0069082 Eth
$10,812,076.00
570,525.408 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.7154%
9
DigiFinex
LINK-USDT$18.56
0.0068592 Eth
$10,432,426.00
562,179.800 LINK
2.6757%
10
MEXC
LINK-USDT$18.63
0.0068802 Eth
$9,487,140.00
509,274.670 LINK
2.4239%
11
P2B
LINK-USDT$18.64
0.0068849 Eth
$9,448,513.00
506,875.280 LINK
2.4125%
12
XT.COM
LINK-USDT$18.61
0.0068766 Eth
$8,655,155.00
449,282.690 LINK
2.1384%
13
KuCoin
LINK-USDT$18.56
0.0068619 Eth
$7,878,129.00
424,503.168 LINK
2.0204%
14
Coinstore
LINK-USDT$18.55
0.0068579 Eth
$7,366,052.00
382,582.560 LINK
1.8209%
15
Binance
LINK-USDC$18.66
0.0068964 Eth
$7,111,637.00
369,536.080 LINK
1.7588%
16
BTSE
LINK-USDT$18.63
0.0068805 Eth
$6,861,441.00
368,377.367 LINK
1.7533%
17
Bitunix
LINK-USDT$18.67
0.0069003 Eth
$6,054,493.00
324,183.470 LINK
1.5430%
18
CoinW
LINK-USDT$18.63
0.0068803 Eth
$5,875,895.00
315,416.040 LINK
1.5012%
19
Hotcoin
LINK-USDT$18.67
0.0068985 Eth
$5,728,814.00
306,909.610 LINK
1.4607%
20
Azbit
LINK-USDT$18.74
0.0068990 Eth
$5,147,727.00
267,044.222 LINK
1.2710%
21
Kraken
LINK-USD$18.56
0.0068626 Eth
$4,780,446.00
257,562.969 LINK
1.2259%
22
BYDFi
LINK-USDT$18.57
0.0068618 Eth
$4,673,721.00
251,744.540 LINK
1.1982%
23
Binance
LINK-FDUSD$18.73
0.0068934 Eth
$4,540,782.00
234,225.600 LINK
1.1148%
24
LATOKEN
LINK-USDT$18.61
0.0068766 Eth
$4,348,847.00
233,688.437 LINK
1.1122%
25
QMall
LINK-USDT$18.64
0.0068874 Eth
$3,422,096.00
177,569.892 LINK
0.8451%
26
Bitvavo
LINK-EUR$18.64
0.0068836 Eth
$3,002,129.00
161,075.689 LINK
0.7666%
27
Dex-Trade
LINK-USDT$18.63
0.0068811 Eth
$2,725,206.00
146,297.620 LINK
0.6963%
28
FMCPAY
LINK-USDT$18.66
0.0068946 Eth
$2,470,367.00
127,928.408 LINK
0.6089%
29
Coinbase Exchange
LINK-EUR$18.68
0.0069021 Eth
$2,430,208.00
130,125.340 LINK
0.6193%
30
Bitstamp
LINK-USD$18.63
0.0068862 Eth
$2,141,701.00
114,959.789 LINK
0.5472%
31
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.70
0.0069106 Eth
$1,762,241.00
93,435.158 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.4447%
32
Coinbase Exchange
LINK-GBP$18.58
0.0068706 Eth
$1,676,648.00
90,229.130 LINK
0.4294%
33
Biconomy.com
LINK-USDT$18.65
0.0068892 Eth
$1,676,077.00
86,667.720 LINK
0.4125%
34
CoinEx
LINK-USDT$18.57
0.0068633 Eth
$1,356,980.00
70,486.742 LINK
0.3355%
35
PointPay
LINK-USDT$18.68
0.0069030 Eth
$1,325,138.00
68,760.822 LINK
0.3273%
36
FMCPAY
LINK-ETH$18.67
0.0068955 Eth
$1,283,970.00
68,083.360 LINK
0.3240%
37
FMCPAY
LINK-BTC$18.64
0.0068844 Eth
$1,147,775.00
59,941.700 LINK
0.2853%
38
Phemex
LINK-USDT$18.64
0.0068839 Eth
$949,258.00
50,931.590 LINK
0.2424%
39
tanX
LINK-USDC$18.61
0.0068726 Eth
$946,778.00
48,806.100 LINK
0.2323%
40
EXMO
LINK-USDT$18.59
0.0068717 Eth
$925,429.00
49,794.187 LINK
0.2370%
41
Gemini
LINK-USD$18.65
0.0068936 Eth
$905,043.00
48,527.749 LINK
0.2310%
42
Binance
LINK-ETH$18.60
0.0068751 Eth
$886,621.00
47,153.700 LINK
0.2244%
43
Trubit
LINK-USDT$18.66
0.0068938 Eth
$847,061.00
43,733.100 LINK
0.2081%
44
WhiteBIT
LINK-TRY$18.70
0.0069047 Eth
$733,915.00
39,248.750 LINK
0.1868%
45
BigONE
LINK-USDT$18.74
0.0069243 Eth
$698,728.00
37,291.110 LINK
0.1775%
46
BitStorage
LINK-USDT$18.63
0.0068812 Eth
$678,942.00
36,442.110 LINK
0.1734%
47
Binance
LINK-TRY$18.68
0.0069061 Eth
$630,667.00
32,562.700 LINK
0.1550%
48
Coinbase Exchange
LINK-ETH$18.60
0.0068742 Eth
$620,215.00
33,344.190 LINK
0.1587%
49
Bitbank
LINK-JPY$18.75
0.0069252 Eth
$619,894.00
33,065.843 LINK
0.1574%
50
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.69
0.0069090 Eth
$567,517.00
30,128.824 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1434%
51
QMall
LINK-USDC$18.63
0.0068870 Eth
$549,768.00
28,555.460 LINK
0.1359%
52
Binance
LINK-EUR$18.64
0.0068870 Eth
$529,442.00
27,466.120 LINK
0.1307%
53
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$18.66
0.0068932 Eth
$515,392.00
26,627.712 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1267%
54
EarnBIT
LINK-USDT$18.59
0.0068682 Eth
$509,097.00
26,481.224 LINK
0.1260%
55
Coinbase Exchange
LINK-USDT$18.67
0.0068994 Eth
$500,543.00
26,804.171 LINK
0.1276%
56
Bybit
LINK-USDC$18.60
0.0068755 Eth
$443,214.00
23,010.945 LINK
0.1095%
57
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.67
0.0069037 Eth
$435,294.00
23,369.793 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1112%
58
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.70
0.0069083 Eth
$396,394.00
20,498.362 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0976%
59
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.61
0.0068822 Eth
$392,763.00
408,473.497 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.9441%
60
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$18.61
0.0068822 Eth
$376,696.00
19,590.459 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0932%
61
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.66
0.0068977 Eth
$367,908.00
19,523.151 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0929%
62
itBit
LINK-USD$18.65
0.0068893 Eth
$355,141.00
19,042.429 LINK
0.0906%
63
GMO Japan
LINK-JPY$18.72
0.0069155 Eth
$337,885.00
18,048.500 LINK
0.0859%
64
Slex
LINK-ETH$18.59
0.0068610 Eth
$307,603.00
16,334.190 LINK
0.0777%
65
BitDelta
LINK-USDT$18.65
0.0068917 Eth
$293,635.00
15,184.000 LINK
0.0723%
66
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.68
0.0069061 Eth
$293,439.00
15,562.993 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0741%
67
LATOKEN
LINK-BTC$18.63
0.0068853 Eth
$281,694.00
15,117.935 LINK
0.0720%
68
Coinbase Exchange
LINK-BTC$18.66
0.0068978 Eth
$276,252.00
14,808.060 LINK
0.0705%
69
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.59
0.0068736 Eth
$259,803.00
13,783.696 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0656%
70
BitMart
LINK-BTC$18.67
0.0068987 Eth
$250,793.00
13,431.400 LINK
0.0639%
71
Binance
LINK-BNB$18.62
0.0068788 Eth
$233,958.00
12,076.112 LINK
0.0575%
72
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.64
0.0068873 Eth
$222,077.00
11,530.653 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0549%
73
Hotcoin
LINK-BTC$18.67
0.0068993 Eth
$204,370.00
10,948.370 LINK
0.0521%
74
BitStorage
LINK-ETH$18.67
0.0068995 Eth
$199,009.00
10,658.360 LINK
0.0507%
75
KuCoin
LINK-USDC$18.65
0.0068953 Eth
$195,287.00
10,471.846 LINK
0.0498%
76
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$18.70
0.0069082 Eth
$185,318.00
20,592.764 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.0980%
77
Bitci TR
LINK-TRY$18.54
0.0068536 Eth
$181,528.00
9,314.380 LINK
0.0443%
78
WhiteBIT
LINK-BTC$18.71
0.0069162 Eth
$179,720.00
9,605.030 LINK
0.0457%
79
OKX
LINK-USDC$18.56
0.0068586 Eth
$177,490.00
9,280.862 LINK
0.0442%
80
BYDFi
LINK-USDC$18.59
0.0068700 Eth
$177,363.00
9,542.650 LINK
0.0454%
81
bitcastle
LINK-USDT$18.62
0.0068816 Eth
$171,976.00
8,912.660 LINK
0.0424%
82
Bitkub
LINK-THB$18.66
0.0068945 Eth
$171,262.00
9,176.032 LINK
0.0437%
83
WhiteBIT
LINK-EUR$18.70
0.0069127 Eth
$167,409.00
8,951.490 LINK
0.0426%
84
Bitso
LINK-USD$18.66
0.0068967 Eth
$145,757.00
7,809.651 LINK
0.0372%
85
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$18.80
0.0069470 Eth
$142,262.00
7,539.123 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0359%
86
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.61
0.0068757 Eth
$128,128.00
6,632.808 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0316%
87
CoinTR
LINK-TRY$18.71
0.0069111 Eth
$120,051.00
6,170.420 LINK
0.0294%
88
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$18.72
0.0069191 Eth
$116,364.00
6,089.357 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0290%
89
PointPay
LINK-BTC$18.62
0.0068805 Eth
$91,973.00
4,823.592 LINK
0.0230%
90
Mercado Bitcoin
LINK-BRL$18.70
0.0069087 Eth
$82,470.00
4,409.764 LINK
0.0210%
91
BitMart
LINK-ETH$18.69
0.0069038 Eth
$71,740.00
3,839.220 LINK
0.0183%
92
KuCoin
LINK-BTC$18.56
0.0068614 Eth
$70,967.00
3,824.280 LINK
0.0182%
93
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$18.70
0.0069083 Eth
$60,491.00
62,465.445 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.2973%
94
Hotcoin
LINK-ETH$18.63
0.0068854 Eth
$58,306.00
3,130.040 LINK
0.0149%
95
Binance
LINK-BRL$18.81
0.0069334 Eth
$56,637.00
2,929.270 LINK
0.0139%
96
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$18.66
0.0068942 Eth
$46,054.00
2,444.250 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0116%
97
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$18.66
0.0068959 Eth
$45,219.00
2,342.392 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0111%
98
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$18.75
0.0069257 Eth
$44,494.00
2,303.299 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0110%
99
Dex-Trade
LINK-ETH$18.70
0.0069066 Eth
$27,282.00
1,458.990 LINK
0.0069%
100
Bitexen
LINK-TRY$18.59
0.0068458 Eth
$21,106.00
1,135.424 LINK
0.0054%

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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