ETH Price: $2,126.03 (-15.81%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

741,434 ( 0.045%)

Market

Price

$14.68 @ 0.006905 ETH (-13.72%)

Onchain Market Cap

$14,680,000,000.00

Circulating Supply Market Cap

$9,289,409,923.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.00032441 LINK

Value
$0.00 ( ~0 Eth) [0.0000%]
0x95ee765bbe3e80a2969b09a1567e246773806228
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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 13245.45% |ETH 0.0003846 1695.37%

Market

Volume (24H):$961,223,326.00
Market Capitalization:$9,289,409,923.00
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$14.80
0.0069318 Eth
$134,975,247.00
8,397,478.210 LINK
19.4849%
2
MEXC
LINK-USDT$14.80
0.0069533 Eth
$65,582,179.00
4,432,683.380 LINK
10.2853%
3
Coinbase Exchange
LINK-USD$14.78
0.0069410 Eth
$52,991,128.00
3,586,297.260 LINK
8.3214%
4
Gate.io
LINK-USDT$14.80
0.0069365 Eth
$27,973,847.00
1,735,168.380 LINK
4.0262%
5
HTX
LINK-USDT$14.79
0.0069276 Eth
$26,004,970.00
1,584,126.513 LINK
3.6757%
6
Ourbit
LINK-USDT$14.66
0.0069062 Eth
$20,591,932.00
1,275,406.170 LINK
2.9594%
7
Bybit
LINK-USDT$14.80
0.0069365 Eth
$19,839,661.00
1,222,105.614 LINK
2.8357%
8
P2B
LINK-USDT$14.79
0.0069542 Eth
$17,905,792.00
1,210,760.230 LINK
2.8094%
9
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$14.67
0.0068764 Eth
$17,539,277.00
1,185,531.380 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.7508%
10
OKX
LINK-USDT$14.76
0.0069206 Eth
$16,827,401.00
1,031,952.661 LINK
2.3945%
11
DigiFinex
LINK-USDT$14.79
0.0069349 Eth
$15,483,491.00
1,046,683.380 LINK
2.4287%
12
Bitget
LINK-USDT$14.81
0.0069412 Eth
$14,803,129.00
915,388.401 LINK
2.1240%
13
XT.COM
LINK-USDT$14.77
0.0069475 Eth
$13,554,967.00
843,134.390 LINK
1.9564%
14
Binance
LINK-USDC$14.76
0.0069331 Eth
$12,231,059.00
761,494.960 LINK
1.7669%
15
WhiteBIT
LINK-USDT$14.74
0.0069299 Eth
$12,105,790.00
821,537.940 LINK
1.9062%
16
MEXC
LINK-EUR$14.81
0.0069454 Eth
$11,686,113.00
788,993.750 LINK
1.8307%
17
Hotcoin
LINK-USDT$14.79
0.0069522 Eth
$11,589,192.00
783,442.029 LINK
1.8178%
18
MEXC
LINK-USDC$14.81
0.0069425 Eth
$11,243,726.00
759,444.300 LINK
1.7622%
19
LBank
LINK-USDT$14.58
0.0069398 Eth
$10,798,521.00
740,569.070 LINK
1.7184%
20
Coinstore
LINK-USDT$14.61
0.0069545 Eth
$10,668,850.00
661,499.870 LINK
1.5349%
21
Slex
LINK-USDT$14.77
0.0069217 Eth
$10,057,633.00
611,498.210 LINK
1.4189%
22
KuCoin
LINK-USDT$14.79
0.0069272 Eth
$10,013,289.00
677,046.973 LINK
1.5710%
23
CoinW
LINK-USDT$14.80
0.0069353 Eth
$8,534,105.00
576,663.050 LINK
1.3380%
24
Azbit
LINK-USDT$14.79
0.0069542 Eth
$7,826,428.00
486,908.327 LINK
1.1298%
25
BYDFi
LINK-USDT$14.74
0.0069504 Eth
$6,922,117.00
469,494.750 LINK
1.0894%
26
Bitunix
LINK-USDT$14.78
0.0069518 Eth
$6,912,827.00
467,434.000 LINK
1.0846%
27
Kraken
LINK-USD$14.76
0.0069194 Eth
$6,583,467.00
446,034.347 LINK
1.0349%
28
LATOKEN
LINK-USDT$14.78
0.0069475 Eth
$6,156,886.00
416,493.591 LINK
0.9664%
29
QMall
LINK-USDT$14.66
0.0069693 Eth
$5,485,998.00
341,352.923 LINK
0.7921%
30
BTSE
LINK-USDT$14.77
0.0069369 Eth
$4,030,199.00
272,899.994 LINK
0.6332%
31
Bitvavo
LINK-EUR$14.78
0.0069535 Eth
$3,784,651.00
255,998.755 LINK
0.5940%
32
FMCPAY
LINK-USDT$14.79
0.0069503 Eth
$3,530,224.00
217,617.090 LINK
0.5049%
33
Dex-Trade
LINK-USDT$14.76
0.0069312 Eth
$3,156,376.00
213,916.440 LINK
0.4964%
34
CoinEx
LINK-USDT$14.79
0.0069334 Eth
$2,960,002.00
182,114.514 LINK
0.4226%
35
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$14.75
0.0069111 Eth
$2,699,683.00
182,061.668 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.4224%
36
Coinbase Exchange
LINK-GBP$14.77
0.0069369 Eth
$2,395,462.00
162,215.440 LINK
0.3764%
37
Biconomy.com
LINK-USDT$14.77
0.0069481 Eth
$2,149,160.00
131,179.899 LINK
0.3044%
38
Hibt
LINK-USDT$14.72
0.0069452 Eth
$2,067,747.00
126,593.827 LINK
0.2937%
39
Coinbase Exchange
LINK-EUR$14.77
0.0069380 Eth
$1,869,033.00
126,546.940 LINK
0.2936%
40
PointPay
LINK-USDT$14.77
0.0069392 Eth
$1,807,787.00
113,308.840 LINK
0.2629%
41
Tokpie
LINK-USDT$14.80
0.0069577 Eth
$1,637,638.00
110,677.248 LINK
0.2568%
42
Kraken
LINK-USDT$14.77
0.0069240 Eth
$1,535,229.00
103,944.637 LINK
0.2412%
43
FMCPAY
LINK-ETH$14.78
0.0069414 Eth
$1,457,632.00
98,339.040 LINK
0.2282%
44
BigONE
LINK-USDT$14.77
0.0069428 Eth
$1,453,152.00
98,366.470 LINK
0.2282%
45
LATOKEN
LINK-BTC$14.77
0.0069426 Eth
$1,391,593.00
94,203.954 LINK
0.2186%
46
Kraken
LINK-EUR$14.78
0.0069288 Eth
$1,343,364.00
90,890.889 LINK
0.2109%
47
FMCPAY
LINK-BTC$14.77
0.0069421 Eth
$1,313,646.00
85,609.000 LINK
0.1986%
48
Binance
LINK-ETH$14.78
0.0069424 Eth
$1,245,820.00
83,857.650 LINK
0.1946%
49
Phemex
LINK-USDT$14.73
0.0069293 Eth
$1,191,323.00
80,898.850 LINK
0.1877%
50
EXMO
LINK-USDT$14.78
0.0069281 Eth
$1,114,867.00
75,411.789 LINK
0.1750%
51
QMall
LINK-USDC$14.78
0.0069458 Eth
$944,109.00
58,697.213 LINK
0.1362%
52
Bitbank
LINK-JPY$14.70
0.0069092 Eth
$941,227.00
64,036.929 LINK
0.1486%
53
Binance
LINK-EUR$14.71
0.0069455 Eth
$862,390.00
53,830.430 LINK
0.1249%
54
BitStorage
LINK-USDT$14.55
0.0069269 Eth
$814,931.00
56,019.470 LINK
0.1300%
55
Gemini
LINK-USD$14.80
0.0069377 Eth
$810,220.00
54,748.350 LINK
0.1270%
56
WhiteBIT
LINK-BTC$14.74
0.0069328 Eth
$796,379.00
54,021.790 LINK
0.1253%
57
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$14.80
0.0069362 Eth
$776,126.00
46,882.402 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1088%
58
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$14.80
0.0069362 Eth
$764,751.00
51,401.448 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1193%
59
EarnBIT
LINK-USDT$14.73
0.0069206 Eth
$736,696.00
45,420.622 LINK
0.1054%
60
Trubit
LINK-USDT$14.70
0.0069176 Eth
$718,156.00
43,791.550 LINK
0.1016%
61
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$14.74
0.0069070 Eth
$717,107.00
46,064.274 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1069%
62
OKX
LINK-USDC$14.77
0.0069240 Eth
$669,906.00
41,635.232 LINK
0.0966%
63
WhiteBIT
LINK-TRY$14.89
0.0069792 Eth
$662,919.00
44,516.300 LINK
0.1033%
64
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$14.80
0.0069343 Eth
$586,458.00
39,816.151 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0924%
65
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$14.80
0.0069353 Eth
$582,021.00
36,283.905 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0842%
66
tanX
LINK-USDC$14.67
0.0069230 Eth
$581,902.00
35,438.100 LINK
0.0822%
67
Bybit
LINK-USDC$14.76
0.0069193 Eth
$572,917.00
35,725.651 LINK
0.0829%
68
Binance
LINK-TRY$14.75
0.0069601 Eth
$560,164.00
34,594.040 LINK
0.0803%
69
Coinbase Exchange
LINK-BTC$14.77
0.0069433 Eth
$455,431.00
30,843.890 LINK
0.0716%
70
Hotcoin
LINK-BTC$14.75
0.0069164 Eth
$406,887.00
27,586.380 LINK
0.0640%
71
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$14.80
0.0069362 Eth
$406,042.00
448,419.552 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0405%
72
BYDFi
LINK-USDC$14.82
0.0069439 Eth
$381,763.00
25,766.260 LINK
0.0598%
73
GMO Japan
LINK-JPY$14.79
0.0069276 Eth
$378,977.00
25,623.000 LINK
0.0595%
74
HashKey Exchange
LINK-USD$14.79
0.0069509 Eth
$371,277.00
22,874.226 LINK
0.0531%
75
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$14.73
0.0069191 Eth
$354,105.00
23,907.386 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0555%
76
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$14.73
0.0069029 Eth
$347,615.00
48,912.144 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1135%
77
BitMart
LINK-BTC$14.82
0.0069481 Eth
$339,670.00
22,917.920 LINK
0.0532%
78
Coinbase Exchange
LINK-USDT$14.79
0.0069486 Eth
$336,492.00
22,758.759 LINK
0.0528%
79
BitDelta
LINK-USDT$14.72
0.0069410 Eth
$333,638.00
20,487.000 LINK
0.0475%
80
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$14.71
0.0069105 Eth
$320,457.00
21,585.603 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0501%
81
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$14.79
0.0069331 Eth
$315,659.00
21,305.482 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0494%
82
Bitkub
LINK-THB$14.77
0.0069497 Eth
$259,707.00
17,579.552 LINK
0.0408%
83
Slex
LINK-ETH$14.78
0.0069521 Eth
$238,247.00
16,108.200 LINK
0.0374%
84
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$14.85
0.0069770 Eth
$234,176.00
14,438.995 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0335%
85
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$14.78
0.0069263 Eth
$205,844.00
12,698.178 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0295%
86
CoinTR
LINK-TRY$14.83
0.0069712 Eth
$185,914.00
11,367.620 LINK
0.0264%
87
Bitget
LINK-USDC$14.73
0.0069053 Eth
$175,369.00
10,785.720 LINK
0.0250%
88
Uniswap V4 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$14.76
0.0069371 Eth
$165,081.00
11,154.533 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0259%
89
PointPay
LINK-BTC$14.77
0.0069259 Eth
$145,647.00
9,519.150 LINK
0.0221%
90
KuCoin
LINK-USDC$14.80
0.0069314 Eth
$133,444.00
9,017.264 LINK
0.0209%
91
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$14.74
0.0069099 Eth
$132,233.00
144,020.460 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3342%
92
Kraken
LINK-GBP$14.80
0.0069377 Eth
$128,875.00
8,708.441 LINK
0.0202%
93
Bitcointry
LINK-USDT$14.79
0.0069537 Eth
$127,888.00
7,609.666 LINK
0.0177%
94
WhiteBIT
LINK-EUR$14.69
0.0069063 Eth
$119,641.00
8,146.950 LINK
0.0189%
95
Uniswap V2 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$14.84
0.0069705 Eth
$116,065.00
7,836.090 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0182%
96
Bitso
LINK-USD$14.79
0.0069344 Eth
$90,966.00
6,151.399 LINK
0.0143%
97
Binance US
LINK-USDT$14.77
0.0069369 Eth
$87,034.00
5,893.408 LINK
0.0137%
98
Binance
LINK-BNB$14.80
0.0069521 Eth
$83,454.00
5,290.456 LINK
0.0123%
99
Kanga
LINK-PLN$14.88
0.0069909 Eth
$81,483.00
0.000 LINK
0.0000%
100
Bittime
LINK-IDR$14.85
0.0069844 Eth
$29,326.00
1,772.890 LINK
0.0041%

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

API
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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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