ETH Price: $1,892.33 (-0.56%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

745,490 ( 0.012%)

Market

Price

$13.46 @ 0.007113 ETH (+3.62%)

Onchain Market Cap

$13,460,000,000.00

Circulating Supply Market Cap

$8,585,267,228.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
149.86690632 LINK

Value
$2,017.21 ( ~1.0660 Eth) [0.0000%]
0xc02a232ed705bbc53bb686f8011e95d0803e456f
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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 12136.36% |ETH 0.0003846 1749.45%

Market

Volume (24H):$853,610,681.00
Market Capitalization:$8,585,267,228.00
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$13.49
0.0070855 Eth
$103,456,138.00
7,888,899.570 LINK
20.0021%
2
Coinbase Exchange
LINK-USD$13.46
0.0070659 Eth
$50,896,602.00
3,780,760.820 LINK
9.5860%
3
MEXC
LINK-USDT$13.46
0.0070657 Eth
$40,220,225.00
2,987,781.730 LINK
7.5755%
4
Gate.io
LINK-USDT$13.45
0.0070671 Eth
$26,892,552.00
2,055,140.500 LINK
5.2108%
5
P2B
LINK-USDT$13.51
0.0070836 Eth
$20,348,301.00
1,506,685.950 LINK
3.8202%
6
Ourbit
LINK-USDT$13.45
0.0070634 Eth
$16,627,363.00
1,266,645.350 LINK
3.2115%
7
HTX
LINK-USDT$13.48
0.0070802 Eth
$15,107,760.00
1,151,747.653 LINK
2.9202%
8
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$13.49
0.0070737 Eth
$13,477,961.00
1,024,140.186 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.5967%
9
OKX
LINK-USDT$13.45
0.0070688 Eth
$13,398,478.00
1,018,947.899 LINK
2.5835%
10
Bybit
LINK-USDT$13.42
0.0070412 Eth
$13,312,656.00
1,009,117.919 LINK
2.5586%
11
DigiFinex
LINK-USDT$13.46
0.0070590 Eth
$13,227,400.00
982,908.530 LINK
2.4921%
12
Binance
LINK-USDC$13.47
0.0070660 Eth
$12,469,508.00
947,489.320 LINK
2.4023%
13
LBank
LINK-USDT$13.45
0.0070474 Eth
$11,322,546.00
842,029.820 LINK
2.1349%
14
MEXC
LINK-EUR$13.48
0.0070616 Eth
$10,924,725.00
810,694.920 LINK
2.0555%
15
XT.COM
LINK-USDT$13.45
0.0070529 Eth
$10,797,334.00
824,067.050 LINK
2.0894%
16
Bitget
LINK-USDT$13.43
0.0070464 Eth
$10,065,523.00
763,711.218 LINK
1.9364%
17
MEXC
LINK-USDC$13.47
0.0070702 Eth
$9,970,137.00
740,409.010 LINK
1.8773%
18
KuCoin
LINK-USDT$13.50
0.0070890 Eth
$8,303,525.00
615,125.974 LINK
1.5596%
19
WhiteBIT
LINK-USDT$13.39
0.0070256 Eth
$8,261,187.00
617,194.710 LINK
1.5649%
20
Hotcoin
LINK-USDT$13.43
0.0070550 Eth
$8,023,426.00
597,307.920 LINK
1.5145%
21
Coinstore
LINK-USDT$13.53
0.0070788 Eth
$7,955,903.00
606,667.930 LINK
1.5382%
22
Slex
LINK-USDT$13.44
0.0070587 Eth
$7,876,394.00
600,480.400 LINK
1.5225%
23
Binance
LINK-FDUSD$13.33
0.0069942 Eth
$7,305,082.00
560,954.010 LINK
1.4223%
24
CoinW
LINK-USDT$13.48
0.0070755 Eth
$7,184,341.00
532,952.300 LINK
1.3513%
25
Azbit
LINK-USDT$13.42
0.0070447 Eth
$6,193,287.00
472,068.830 LINK
1.1969%
26
Bitunix
LINK-USDT$13.49
0.0070788 Eth
$5,957,086.00
441,868.910 LINK
1.1203%
27
Bitvavo
LINK-EUR$13.45
0.0070617 Eth
$4,487,053.00
333,511.072 LINK
0.8456%
28
QMall
LINK-USDT$13.52
0.0070721 Eth
$4,224,857.00
322,146.598 LINK
0.8168%
29
Kraken
LINK-USD$13.44
0.0070519 Eth
$3,467,959.00
257,958.384 LINK
0.6540%
30
Dex-Trade
LINK-USDT$13.48
0.0070766 Eth
$3,242,696.00
240,593.600 LINK
0.6100%
31
BTSE
LINK-USDT$13.44
0.0070482 Eth
$2,911,744.00
216,700.140 LINK
0.5494%
32
Coinbase Exchange
LINK-EUR$13.44
0.0070584 Eth
$2,849,560.00
211,971.970 LINK
0.5374%
33
Hibt
LINK-USDT$13.48
0.0070797 Eth
$2,414,346.00
183,471.551 LINK
0.4652%
34
FMCPAY
LINK-USDT$13.45
0.0070605 Eth
$2,194,461.00
167,540.856 LINK
0.4248%
35
Coinbase Exchange
LINK-GBP$13.45
0.0070625 Eth
$2,054,746.00
152,759.160 LINK
0.3873%
36
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$13.45
0.0070655 Eth
$1,910,224.00
145,472.815 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3688%
37
Dcoin
LINK-USDT$13.42
0.0070484 Eth
$1,887,043.00
140,583.000 LINK
0.3564%
38
AscendEX (BitMax)
LINK-USDT$13.45
0.0070622 Eth
$1,766,904.00
131,389.700 LINK
0.3331%
39
Biconomy.com
LINK-USDT$13.44
0.0070603 Eth
$1,649,304.00
125,408.550 LINK
0.3180%
40
CoinEx
LINK-USDT$13.46
0.0070540 Eth
$1,391,475.00
105,890.870 LINK
0.2685%
41
FMCPAY
LINK-ETH$13.42
0.0070549 Eth
$1,265,305.00
96,782.720 LINK
0.2454%
42
Tapbit
LINK-USDT$13.42
0.0070522 Eth
$1,200,347.00
91,450.380 LINK
0.2319%
43
FMCPAY
LINK-BTC$13.45
0.0070581 Eth
$1,138,727.00
85,689.200 LINK
0.2173%
44
Phemex
LINK-USDT$13.47
0.0070585 Eth
$1,127,067.00
83,672.290 LINK
0.2121%
45
Kraken
LINK-EUR$13.49
0.0070778 Eth
$1,077,110.00
79,825.838 LINK
0.2024%
46
Binance
LINK-ETH$13.49
0.0070818 Eth
$1,035,820.00
78,716.420 LINK
0.1996%
47
QMall
LINK-USDC$13.48
0.0070813 Eth
$945,497.00
71,709.156 LINK
0.1818%
48
Gemini
LINK-USD$13.47
0.0070749 Eth
$916,389.00
68,053.501 LINK
0.1725%
49
BigONE
LINK-USDT$13.42
0.0070438 Eth
$835,545.00
62,281.580 LINK
0.1579%
50
BitStorage
LINK-USDT$13.43
0.0070536 Eth
$832,848.00
62,000.200 LINK
0.1572%
51
Tokpie
LINK-USDT$13.51
0.0070965 Eth
$699,688.00
51,772.816 LINK
0.1313%
52
EarnBIT
LINK-USDT$13.46
0.0070744 Eth
$640,451.00
48,630.294 LINK
0.1233%
53
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$13.48
0.0070814 Eth
$592,243.00
45,113.250 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1144%
54
Binance
LINK-EUR$13.45
0.0070640 Eth
$576,289.00
44,154.470 LINK
0.1120%
55
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$13.47
0.0070738 Eth
$556,747.00
42,776.191 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1085%
56
tanX
LINK-USDC$13.46
0.0070527 Eth
$534,494.00
40,683.850 LINK
0.1032%
57
Binance
LINK-TRY$13.49
0.0070604 Eth
$512,827.00
38,819.920 LINK
0.0984%
58
Coinbase Exchange
LINK-USDT$13.48
0.0070715 Eth
$511,194.00
37,918.975 LINK
0.0961%
59
Bybit
LINK-USDC$13.42
0.0070485 Eth
$491,588.00
37,430.923 LINK
0.0949%
60
Bitbank
LINK-JPY$13.50
0.0070775 Eth
$478,450.00
35,430.018 LINK
0.0898%
61
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$13.42
0.0070527 Eth
$472,572.00
35,525.548 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0901%
62
OKX
LINK-USDC$13.45
0.0070671 Eth
$463,637.00
35,426.687 LINK
0.0898%
63
BitMart
LINK-BTC$13.43
0.0070550 Eth
$428,845.00
31,937.160 LINK
0.0810%
64
LATOKEN
LINK-BTC$13.47
0.0070662 Eth
$427,442.00
31,730.476 LINK
0.0805%
65
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$13.49
0.0070824 Eth
$426,831.00
32,472.823 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0823%
66
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$13.48
0.0070783 Eth
$361,255.00
27,574.362 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0699%
67
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$13.52
0.0071073 Eth
$352,224.00
26,873.097 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0681%
68
WhiteBIT
LINK-TRY$13.36
0.0070076 Eth
$318,799.00
23,864.590 LINK
0.0605%
69
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$13.49
0.0070867 Eth
$303,828.00
22,452.205 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0569%
70
XT.COM
LINK-ETH$13.45
0.0070560 Eth
$289,415.00
22,038.200 LINK
0.0559%
71
BitDelta
LINK-USDT$13.46
0.0070672 Eth
$272,543.00
20,803.000 LINK
0.0527%
72
BitStorage
LINK-ETH$13.44
0.0070589 Eth
$245,658.00
18,272.330 LINK
0.0463%
73
Hotcoin
LINK-BTC$13.43
0.0070535 Eth
$239,691.00
17,847.690 LINK
0.0453%
74
Binance US
LINK-USDT$13.44
0.0070482 Eth
$226,218.00
16,834.934 LINK
0.0427%
75
AscendEX (BitMax)
LINK-USD$13.54
0.0071116 Eth
$225,134.00
16,625.000 LINK
0.0422%
76
Slex
LINK-ETH$13.44
0.0070649 Eth
$212,089.00
16,215.600 LINK
0.0411%
77
Slex
LINK-BTC$13.45
0.0070489 Eth
$194,242.00
14,538.100 LINK
0.0369%
78
bitcastle
LINK-USDT$13.43
0.0070536 Eth
$193,433.00
14,746.150 LINK
0.0374%
79
Bitso
LINK-USD$13.42
0.0070494 Eth
$185,571.00
13,822.924 LINK
0.0350%
80
BitMart
LINK-ETH$13.43
0.0070573 Eth
$180,827.00
13,462.200 LINK
0.0341%
81
WhiteBIT
LINK-BTC$13.40
0.0070344 Eth
$179,582.00
13,399.780 LINK
0.0340%
82
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$13.44
0.0070489 Eth
$165,624.00
12,472.229 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0316%
83
CoinTR
LINK-TRY$13.52
0.0070986 Eth
$165,068.00
12,544.520 LINK
0.0318%
84
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$13.37
0.0070250 Eth
$153,016.00
11,717.918 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0297%
85
Kraken
LINK-GBP$13.49
0.0070754 Eth
$151,865.00
11,258.778 LINK
0.0285%
86
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$13.47
0.0070750 Eth
$141,003.00
137,690.928 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.3491%
87
PointPay
LINK-BTC$13.45
0.0070606 Eth
$140,422.00
10,540.242 LINK
0.0267%
88
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$13.45
0.0070655 Eth
$130,200.00
126,064.348 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3196%
89
WhiteBIT
LINK-EUR$13.45
0.0070671 Eth
$123,978.00
9,217.120 LINK
0.0234%
90
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$13.56
0.0071221 Eth
$123,800.00
8,680.110 0X5947BB275C521040051D82396192181B413227A3
0.0220%
91
Uniswap V4 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$13.44
0.0070491 Eth
$121,422.00
9,265.773 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0235%
92
KuCoin
LINK-USDC$13.50
0.0070874 Eth
$98,692.00
7,312.751 LINK
0.0185%
93
Coinbase Exchange
LINK-BTC$13.41
0.0070459 Eth
$86,704.00
6,467.830 LINK
0.0164%
94
LFJ
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$13.57
0.0071314 Eth
$85,719.00
6,121.732 0X5947BB275C521040051D82396192181B413227A3
0.0155%
95
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$13.45
0.0070699 Eth
$79,688.00
6,095.083 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0155%
96
Bitkub
LINK-THB$13.44
0.0070638 Eth
$72,527.00
5,396.547 LINK
0.0137%
97
Bittime
LINK-USDT$13.40
0.0070351 Eth
$31,179.00
2,376.930 LINK
0.0060%
98
Mercado Bitcoin
LINK-BRL$13.49
0.0070889 Eth
$30,747.00
2,279.727 LINK
0.0058%
99
Bittime
LINK-IDR$13.48
0.0070767 Eth
$30,198.00
2,295.940 LINK
0.0058%
100
OKX
LINK-EUR$13.48
0.0070813 Eth
$25,912.00
1,949.560 LINK
0.0049%

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
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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