ETH Price: $3,612.77 (+4.64%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

729,263 ( 0.036%)

Market

Price

$23.48 @ 0.006500 ETH (+6.74%)

Onchain Market Cap

$23,480,000,000.00

Circulating Supply Market Cap

$14,819,503,777.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
100.000000065 LINK

Value
$2,348.00 ( ~0.64991678202746 Eth) [0.0000%]
0x4dF84b8c1A8882961A3AE185d831De3BE99EaB9A
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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 21245.45% |ETH 0.0003846 1590.07%

Market

Volume (24H):$1,224,667,170.00
Market Capitalization:$14,819,503,777.00
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
Binance
LINK-USDT$23.47
0.0064912 Eth
$141,946,037.00
6,256,650.490 LINK
21.3037%
2
Coinbase Exchange
LINK-USD$23.48
0.0064945 Eth
$46,719,986.00
1,989,947.420 LINK
6.7757%
3
Upbit
LINK-KRW$23.61
0.0065324 Eth
$34,715,491.00
1,470,066.738 LINK
5.0055%
4
Bitget
LINK-USDT$23.48
0.0064951 Eth
$31,655,353.00
1,388,334.511 LINK
4.7272%
5
P2B
LINK-USDT$23.46
0.0064856 Eth
$30,928,400.00
1,318,505.270 LINK
4.4895%
6
MEXC
LINK-USDT$23.49
0.0065012 Eth
$28,552,097.00
1,215,604.560 LINK
4.1391%
7
Bybit
LINK-USDT$23.47
0.0064936 Eth
$26,547,907.00
1,165,721.811 LINK
3.9693%
8
WhiteBIT
LINK-USDT$23.46
0.0064896 Eth
$25,733,498.00
1,096,906.780 LINK
3.7349%
9
OKX
LINK-USDT$23.46
0.0064918 Eth
$21,945,956.00
963,242.526 LINK
3.2798%
10
Slex
LINK-USDT$23.50
0.0064990 Eth
$21,903,092.00
967,149.770 LINK
3.2931%
11
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$23.42
0.0064773 Eth
$21,000,648.00
896,068.659 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.0511%
12
DigiFinex
LINK-USDT$23.46
0.0064894 Eth
$18,815,377.00
802,044.800 LINK
2.7309%
13
FameEX
LINK-USDT$23.47
0.0064920 Eth
$14,178,580.00
624,939.286 LINK
2.1279%
14
XT.COM
LINK-USDT$23.48
0.0064925 Eth
$14,169,926.00
624,567.160 LINK
2.1266%
15
Azbit
LINK-USDT$23.49
0.0064957 Eth
$14,069,450.00
620,204.809 LINK
2.1118%
16
Coinstore
LINK-USDT$23.49
0.0064957 Eth
$12,622,309.00
556,337.740 LINK
1.8943%
17
Bitunix
LINK-USDT$23.48
0.0064925 Eth
$11,309,457.00
481,721.540 LINK
1.6402%
18
BYDFi
LINK-USDT$23.47
0.0064978 Eth
$9,483,896.00
404,008.980 LINK
1.3756%
19
Binance
LINK-FDUSD$23.49
0.0064966 Eth
$9,473,262.00
414,791.780 LINK
1.4124%
20
HTX
LINK-USDT$23.45
0.0064881 Eth
$9,403,203.00
414,718.370 LINK
1.4121%
21
Biconomy.com
LINK-USDT$23.46
0.0064903 Eth
$8,102,406.00
356,537.380 LINK
1.2140%
22
Kraken
LINK-USD$23.48
0.0064966 Eth
$7,876,861.00
335,456.502 LINK
1.1422%
23
Bithumb
LINK-KRW$23.59
0.0065256 Eth
$7,590,027.00
321,686.878 LINK
1.0953%
24
LBank
LINK-USDT$23.48
0.0064947 Eth
$7,273,964.00
309,758.090 LINK
1.0547%
25
LATOKEN
LINK-USDT$23.48
0.0064945 Eth
$6,880,909.00
293,027.347 LINK
0.9978%
26
Binance
LINK-USDC$23.44
0.0064856 Eth
$6,627,483.00
290,241.970 LINK
0.9883%
27
QMall
LINK-USDT$23.47
0.0064907 Eth
$5,772,745.00
254,353.254 LINK
0.8661%
28
Dex-Trade
LINK-USDT$23.46
0.0064907 Eth
$4,738,275.00
201,945.730 LINK
0.6876%
29
Hotcoin
LINK-USDT$23.47
0.0064912 Eth
$3,668,548.00
156,307.210 LINK
0.5322%
30
KuCoin
LINK-USDT$23.49
0.0064976 Eth
$3,533,251.00
150,407.283 LINK
0.5121%
31
FMCPAY
LINK-USDT$23.47
0.0064902 Eth
$3,498,980.00
153,493.408 LINK
0.5226%
32
CoinEx
LINK-USDT$23.44
0.0064839 Eth
$3,106,576.00
134,476.844 LINK
0.4579%
33
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.58
0.0065227 Eth
$2,647,567.00
112,863.230 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3843%
34
PointPay
LINK-USDT$23.47
0.0064995 Eth
$2,278,604.00
100,400.096 LINK
0.3419%
35
Dcoin
LINK-USDT$23.48
0.0064982 Eth
$2,163,874.00
92,151.000 LINK
0.3138%
36
Bitvavo
LINK-EUR$23.49
0.0064993 Eth
$2,153,062.00
91,671.451 LINK
0.3121%
37
EXMO
LINK-USDT$23.47
0.0064910 Eth
$2,039,135.00
86,900.349 LINK
0.2959%
38
ProBit Global
LINK-USDT$23.48
0.0064940 Eth
$1,709,961.00
72,838.525 LINK
0.2480%
39
Phemex
LINK-USDT$23.51
0.0064989 Eth
$1,574,813.00
66,977.320 LINK
0.2281%
40
FMCPAY
LINK-ETH$23.54
0.0065068 Eth
$1,545,291.00
65,961.440 LINK
0.2246%
41
FMCPAY
LINK-BTC$23.44
0.0064845 Eth
$1,497,306.00
65,244.500 LINK
0.2222%
42
Kraken
LINK-EUR$23.52
0.0065080 Eth
$1,494,198.00
63,522.077 LINK
0.2163%
43
Coinbase Exchange
LINK-EUR$23.50
0.0065012 Eth
$1,477,828.00
62,880.450 LINK
0.2141%
44
tanX
LINK-USDC$23.47
0.0064881 Eth
$1,338,590.00
59,159.520 LINK
0.2014%
45
Bybit
LINK-USDC$23.49
0.0064992 Eth
$1,196,124.00
52,133.459 LINK
0.1775%
46
BitStorage
LINK-USDT$23.49
0.0064970 Eth
$1,181,644.00
50,305.780 LINK
0.1713%
47
Kraken
LINK-USDT$23.47
0.0064933 Eth
$1,152,574.00
49,109.838 LINK
0.1672%
48
WhiteBIT
LINK-BTC$23.48
0.0064939 Eth
$1,080,524.00
46,027.470 LINK
0.1567%
49
EarnBIT
LINK-USDT$23.48
0.0064933 Eth
$1,040,233.00
45,638.489 LINK
0.1554%
50
Bitbank
LINK-JPY$23.42
0.0064769 Eth
$954,566.00
40,756.140 LINK
0.1388%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.44
0.0064837 Eth
$952,219.00
40,613.551 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1383%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.49
0.0064985 Eth
$881,134.00
37,454.648 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1275%
53
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.42
0.0064780 Eth
$771,603.00
32,865.904 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1119%
54
Binance
LINK-EUR$23.36
0.0064613 Eth
$771,438.00
33,953.370 LINK
0.1156%
55
WhiteBIT
LINK-TRY$23.44
0.0064862 Eth
$754,938.00
32,207.970 LINK
0.1097%
56
Koinpark
LINK-USDT$23.47
0.0064902 Eth
$753,362.00
32,096.554 LINK
0.1093%
57
Gemini
LINK-USD$23.43
0.0064813 Eth
$742,716.00
31,699.371 LINK
0.1079%
58
Coinbase Exchange
LINK-GBP$23.47
0.0064914 Eth
$731,293.00
31,160.070 LINK
0.1061%
59
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$23.44
0.0064824 Eth
$713,788.00
47,433.261 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1615%
60
itBit
LINK-USD$23.41
0.0064738 Eth
$631,375.00
26,970.320 LINK
0.0918%
61
ProBit Global
LINK-BTC$23.48
0.0064922 Eth
$612,760.00
26,101.011 LINK
0.0889%
62
Binance
LINK-TRY$23.43
0.0064824 Eth
$583,114.00
25,522.420 LINK
0.0869%
63
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$23.45
0.0064863 Eth
$579,115.00
25,102.938 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0855%
64
BigONE
LINK-USDT$23.48
0.0064908 Eth
$571,342.00
24,338.020 LINK
0.0829%
65
Coinbase Exchange
LINK-ETH$23.52
0.0065035 Eth
$515,157.00
21,905.350 LINK
0.0746%
66
GMO Japan
LINK-JPY$23.53
0.0065087 Eth
$489,491.00
20,801.700 LINK
0.0708%
67
Bitbegin
LINK-USDT$23.46
0.0064904 Eth
$471,958.00
20,813.562 LINK
0.0709%
68
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.45
0.0064860 Eth
$442,611.00
423,494.756 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.4420%
69
HashKey Exchange
LINK-USD$23.52
0.0065045 Eth
$436,092.00
19,441.732 LINK
0.0662%
70
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.42
0.0064776 Eth
$435,769.00
18,575.897 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0633%
71
Coinbase Exchange
LINK-BTC$23.48
0.0064911 Eth
$427,559.00
18,213.310 LINK
0.0620%
72
Slex
LINK-ETH$23.48
0.0064960 Eth
$427,086.00
18,263.610 LINK
0.0622%
73
Coinbase Exchange
LINK-USDT$23.59
0.0065255 Eth
$422,181.00
17,896.610 LINK
0.0609%
74
Bitkub
LINK-THB$23.30
0.0064448 Eth
$369,926.00
15,876.588 LINK
0.0541%
75
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.44
0.0064837 Eth
$305,096.00
296,126.546 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0083%
76
BitMart
LINK-BTC$23.48
0.0064936 Eth
$286,312.00
12,194.560 LINK
0.0415%
77
OKX
LINK-USDC$23.46
0.0064909 Eth
$267,586.00
11,712.020 LINK
0.0399%
78
KuCoin
LINK-USDC$23.48
0.0064958 Eth
$261,057.00
11,116.018 LINK
0.0378%
79
BTCMarkets
LINK-AUD$23.27
0.0064410 Eth
$258,583.00
11,112.197 LINK
0.0378%
80
LATOKEN
LINK-BTC$23.48
0.0064947 Eth
$248,631.00
10,589.680 LINK
0.0361%
81
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$23.58
0.0065231 Eth
$244,769.00
10,689.410 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0364%
82
Bitci TR
LINK-TRY$23.66
0.0065433 Eth
$229,682.00
10,147.640 LINK
0.0346%
83
BitDelta
LINK-USDT$23.46
0.0064900 Eth
$229,583.00
10,106.000 LINK
0.0344%
84
Coinone
LINK-KRW$23.64
0.0065400 Eth
$216,519.00
9,158.181 LINK
0.0312%
85
PointPay
LINK-BTC$23.48
0.0065000 Eth
$193,218.00
8,377.318 LINK
0.0285%
86
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.52
0.0065054 Eth
$189,399.00
8,072.988 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0275%
87
BitStorage
LINK-ETH$23.53
0.0065135 Eth
$181,349.00
7,706.510 LINK
0.0262%
88
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$23.57
0.0065254 Eth
$164,389.00
7,016.505 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0239%
89
Bitso
LINK-USD$23.46
0.0064869 Eth
$134,757.00
5,744.123 LINK
0.0196%
90
Hotcoin
LINK-BTC$23.47
0.0064952 Eth
$133,911.00
5,705.440 LINK
0.0194%
91
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.48
0.0064949 Eth
$132,215.00
5,641.945 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0192%
92
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.51
0.0065018 Eth
$125,301.00
5,497.347 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0187%
93
Binance US
LINK-USDT$23.58
0.0065214 Eth
$117,546.00
4,984.720 LINK
0.0170%
94
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.55
0.0065123 Eth
$98,027.00
4,373.310 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0149%
95
BitMart
LINK-ETH$23.48
0.0064947 Eth
$89,314.00
3,803.420 LINK
0.0130%
96
Mercado Bitcoin
LINK-BRL$23.49
0.0064966 Eth
$83,531.00
3,556.734 LINK
0.0121%
97
Independent Reserve
LINK-AUD$23.50
0.0065042 Eth
$64,050.00
2,725.024 LINK
0.0093%
98
Coins.ph
LINK-PHP$23.54
0.0065063 Eth
$59,079.00
2,590.649 LINK
0.0088%
99
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$23.51
0.0065025 Eth
$55,118.00
2,356.426 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0080%
100
zondacrypto
LINK-PLN$23.52
0.0065105 Eth
$26,437.00
1,123.924 LINK
0.0038%

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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