ETH Price: $2,572.62 (-4.75%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

733,170 ( 0.047%)

Market

Price

$17.84 @ 0.006935 ETH (-3.96%)

Onchain Market Cap

$17,840,000,000.00

Circulating Supply Market Cap

$11,406,547,348.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.000000000000000001 LINK

Value
$0.00 ( ~0 Eth) [0.0000%]
0x62C9c2AcE3e86eee3016c7e73Df70eDd8a45AcE9
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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 16118.18% |ETH 0.0003846 1703.17%

Market

Volume (24H):$766,456,782.00
Market Capitalization:$11,406,547,348.00
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$17.87
0.0069493 Eth
$112,305,035.00
5,906,105.730 LINK
22.4618%
2
Coinbase Exchange
LINK-USD$17.83
0.0069280 Eth
$48,215,857.00
2,704,350.040 LINK
10.2850%
3
Bybit
LINK-USDT$17.85
0.0069371 Eth
$35,172,454.00
1,859,606.782 LINK
7.0723%
4
HTX
LINK-USDT$17.88
0.0069495 Eth
$21,434,291.00
1,135,149.266 LINK
4.3171%
5
P2B
LINK-USDT$17.79
0.0069202 Eth
$19,562,565.00
1,099,678.240 LINK
4.1822%
6
Slex
LINK-USDT$17.82
0.0069303 Eth
$15,694,300.00
830,604.410 LINK
3.1589%
7
Gate.io
LINK-USDT$17.85
0.0069398 Eth
$13,897,845.00
734,756.780 LINK
2.7944%
8
OKX
LINK-USDT$17.87
0.0069476 Eth
$13,338,366.00
703,667.235 LINK
2.6761%
9
DigiFinex
LINK-USDT$17.90
0.0069543 Eth
$13,010,535.00
727,042.610 LINK
2.7650%
10
Binance
LINK-USDC$17.85
0.0069445 Eth
$11,446,457.00
607,010.980 LINK
2.3085%
11
XT.COM
LINK-USDT$17.82
0.0069192 Eth
$11,116,862.00
584,567.180 LINK
2.2232%
12
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$17.82
0.0069263 Eth
$9,732,143.00
539,980.918 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.0536%
13
MEXC
LINK-USDT$17.85
0.0069402 Eth
$9,284,145.00
519,987.820 LINK
1.9776%
14
Coinstore
LINK-USDT$17.84
0.0069258 Eth
$8,993,240.00
473,796.090 LINK
1.8019%
15
KuCoin
LINK-USDT$17.87
0.0069463 Eth
$7,556,284.00
422,842.372 LINK
1.6081%
16
Bitunix
LINK-USDT$17.86
0.0069435 Eth
$7,423,064.00
415,604.250 LINK
1.5806%
17
BTSE
LINK-USDT$17.86
0.0069439 Eth
$7,258,572.00
406,328.509 LINK
1.5453%
18
Binance
LINK-FDUSD$17.82
0.0069301 Eth
$7,093,983.00
373,395.150 LINK
1.4201%
19
CoinW
LINK-USDT$17.86
0.0069457 Eth
$7,034,047.00
393,891.850 LINK
1.4980%
20
Hotcoin
LINK-USDT$17.86
0.0069440 Eth
$6,922,193.00
387,487.210 LINK
1.4737%
21
Azbit
LINK-USDT$17.84
0.0069245 Eth
$6,616,593.00
348,083.951 LINK
1.3238%
22
BYDFi
LINK-USDT$17.82
0.0069099 Eth
$5,827,491.00
327,092.970 LINK
1.2440%
23
LATOKEN
LINK-USDT$17.81
0.0069203 Eth
$5,541,725.00
311,169.186 LINK
1.1834%
24
Binance
LINK-BTC$17.84
0.0069344 Eth
$5,335,903.00
286,636.740 LINK
1.0901%
25
LBank
LINK-USDT$17.86
0.0069454 Eth
$5,126,719.00
287,035.930 LINK
1.0916%
26
QMall
LINK-USDT$17.86
0.0069459 Eth
$4,590,925.00
241,594.131 LINK
0.9188%
27
Bitvavo
LINK-EUR$17.86
0.0069443 Eth
$4,586,321.00
256,821.798 LINK
0.9767%
28
Bitget
LINK-USDT$17.85
0.0069402 Eth
$4,463,783.00
235,063.065 LINK
0.8940%
29
Kraken
LINK-USD$17.88
0.0069494 Eth
$3,964,554.00
221,752.409 LINK
0.8434%
30
Coinbase Exchange
LINK-EUR$17.85
0.0069449 Eth
$3,694,008.00
206,914.460 LINK
0.7869%
31
Dex-Trade
LINK-USDT$17.88
0.0069477 Eth
$3,317,273.00
185,549.122 LINK
0.7057%
32
FMCPAY
LINK-USDT$17.85
0.0069297 Eth
$2,642,645.00
140,268.930 LINK
0.5335%
33
Biconomy.com
LINK-USDT$17.87
0.0069444 Eth
$1,860,620.00
98,276.220 LINK
0.3738%
34
PointPay
LINK-USDT$17.93
0.0069401 Eth
$1,784,177.00
93,874.620 LINK
0.3570%
35
CoinEx
LINK-USDT$17.80
0.0069227 Eth
$1,589,502.00
84,112.714 LINK
0.3199%
36
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.80
0.0069189 Eth
$1,482,884.00
82,280.072 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3129%
37
WhiteBIT
LINK-USDT$17.83
0.0069334 Eth
$1,236,812.00
69,382.090 LINK
0.2639%
38
Coinbase Exchange
LINK-GBP$17.84
0.0069340 Eth
$1,216,997.00
68,223.540 LINK
0.2595%
39
FMCPAY
LINK-ETH$17.85
0.0069378 Eth
$1,214,353.00
67,556.640 LINK
0.2569%
40
FMCPAY
LINK-BTC$17.86
0.0069336 Eth
$1,162,545.00
62,619.700 LINK
0.2382%
41
Phemex
LINK-USDT$17.96
0.0069514 Eth
$1,090,597.00
60,714.320 LINK
0.2309%
42
EXMO
LINK-USDT$17.86
0.0069421 Eth
$1,043,284.00
58,417.326 LINK
0.2222%
43
Gemini
LINK-USD$17.85
0.0069396 Eth
$924,784.00
51,799.910 LINK
0.1970%
44
BigONE
LINK-USDT$17.91
0.0069326 Eth
$915,950.00
51,150.650 LINK
0.1945%
45
QMall
LINK-USDC$17.86
0.0069312 Eth
$890,130.00
47,194.258 LINK
0.1795%
46
Trubit
LINK-USDT$17.94
0.0069382 Eth
$855,861.00
45,296.790 LINK
0.1723%
47
BitStorage
LINK-USDT$17.80
0.0069257 Eth
$853,508.00
47,938.920 LINK
0.1823%
48
Binance
LINK-ETH$17.89
0.0069403 Eth
$799,727.00
44,287.830 LINK
0.1684%
49
Binance
LINK-TRY$17.97
0.0069781 Eth
$773,915.00
40,424.030 LINK
0.1537%
50
tanX
LINK-USDC$17.86
0.0069397 Eth
$770,462.00
40,907.520 LINK
0.1556%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$17.88
0.0069502 Eth
$756,128.00
39,929.571 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1519%
52
Binance
LINK-EUR$17.88
0.0069388 Eth
$695,693.00
36,474.730 LINK
0.1387%
53
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.93
0.0069734 Eth
$655,112.00
36,375.001 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1383%
54
Coinbase Exchange
LINK-ETH$17.84
0.0069385 Eth
$575,042.00
32,240.160 LINK
0.1226%
55
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$17.91
0.0069615 Eth
$566,974.00
17,785.675 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0676%
56
Bitbank
LINK-JPY$17.91
0.0069570 Eth
$565,104.00
31,544.036 LINK
0.1200%
57
Bybit
LINK-USDC$17.84
0.0069334 Eth
$552,370.00
29,218.061 LINK
0.1111%
58
EarnBIT
LINK-USDT$17.83
0.0069342 Eth
$549,509.00
29,056.319 LINK
0.1105%
59
LATOKEN
LINK-BTC$17.85
0.0069357 Eth
$537,160.00
30,094.640 LINK
0.1145%
60
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$17.88
0.0069502 Eth
$522,572.00
28,969.378 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1102%
61
Azbit
LINK-ETH$17.85
0.0069423 Eth
$520,569.00
29,046.549 LINK
0.1105%
62
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.88
0.0069502 Eth
$513,822.00
28,363.288 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1079%
63
Coinbase Exchange
LINK-USDT$17.85
0.0069415 Eth
$490,546.00
27,480.225 LINK
0.1045%
64
HashKey Exchange
LINK-USD$17.87
0.0069458 Eth
$466,991.00
24,288.602 LINK
0.0924%
65
Coinbase Exchange
LINK-BTC$17.87
0.0069458 Eth
$428,982.00
24,007.440 LINK
0.0913%
66
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$17.80
0.0069189 Eth
$411,013.00
21,679.243 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0824%
67
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$17.88
0.0069504 Eth
$393,458.00
416,943.046 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.5857%
68
GMO Japan
LINK-JPY$17.83
0.0069288 Eth
$390,267.00
21,888.800 LINK
0.0832%
69
OKX
LINK-USDC$17.88
0.0069517 Eth
$355,127.00
18,690.832 LINK
0.0711%
70
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.89
0.0069546 Eth
$347,355.00
19,285.579 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0733%
71
Slex
LINK-ETH$17.84
0.0069379 Eth
$288,039.00
16,053.240 LINK
0.0611%
72
BitDelta
LINK-USDT$17.83
0.0069323 Eth
$278,351.00
14,734.000 LINK
0.0560%
73
itBit
LINK-USD$17.83
0.0069307 Eth
$263,915.00
14,801.741 LINK
0.0563%
74
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$17.82
0.0069263 Eth
$263,689.00
30,575.715 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1163%
75
Hotcoin
LINK-BTC$17.82
0.0069330 Eth
$257,365.00
14,440.180 LINK
0.0549%
76
BitMart
LINK-BTC$17.85
0.0069438 Eth
$254,179.00
14,239.700 LINK
0.0542%
77
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$17.86
0.0069327 Eth
$230,969.00
12,159.373 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0462%
78
BYDFi
LINK-USDC$17.94
0.0069412 Eth
$222,552.00
12,403.270 LINK
0.0472%
79
bitcastle
LINK-USDT$17.87
0.0069367 Eth
$220,697.00
11,621.020 LINK
0.0442%
80
Bitkub
LINK-THB$18.01
0.0069947 Eth
$220,035.00
12,216.179 LINK
0.0465%
81
PointPay
LINK-BTC$17.88
0.0069396 Eth
$207,362.00
11,117.448 LINK
0.0423%
82
BitStorage
LINK-ETH$17.88
0.0069435 Eth
$197,214.00
11,029.810 LINK
0.0419%
83
KuCoin
LINK-USDC$17.83
0.0069288 Eth
$179,719.00
10,082.220 LINK
0.0383%
84
Kraken
LINK-GBP$17.84
0.0069353 Eth
$177,680.00
9,958.479 LINK
0.0379%
85
Bitci TR
LINK-TRY$18.08
0.0070214 Eth
$170,169.00
8,966.600 LINK
0.0341%
86
WhiteBIT
LINK-TRY$18.04
0.0070124 Eth
$157,944.00
8,755.140 LINK
0.0333%
87
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$17.82
0.0069263 Eth
$151,706.00
8,054.338 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0306%
88
WhiteBIT
LINK-BTC$17.88
0.0069477 Eth
$134,621.00
7,529.190 LINK
0.0286%
89
Bitso
LINK-USD$18.06
0.0069778 Eth
$133,163.00
7,374.076 LINK
0.0280%
90
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$17.80
0.0069181 Eth
$131,033.00
7,086.234 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0269%
91
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$17.89
0.0069527 Eth
$110,585.00
6,224.786 0X5947BB275C521040051D82396192181B413227A3
0.0237%
92
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$17.96
0.0069841 Eth
$94,044.00
5,217.764 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0198%
93
Mercado Bitcoin
LINK-BRL$17.95
0.0069754 Eth
$84,589.00
4,712.667 LINK
0.0179%
94
EXMO
LINK-BTC$17.84
0.0069334 Eth
$84,185.00
4,719.603 LINK
0.0179%
95
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$17.80
0.0069189 Eth
$78,103.00
82,898.286 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3153%
96
Hotcoin
LINK-ETH$17.88
0.0069482 Eth
$71,285.00
3,987.930 LINK
0.0152%
97
Foxbit
LINK-BRL$17.95
0.0069829 Eth
$69,938.00
3,633.925 LINK
0.0138%
98
Binance US
LINK-USDT$17.91
0.0069338 Eth
$64,743.00
3,614.891 LINK
0.0137%
99
KuCoin
LINK-BTC$17.95
0.0069785 Eth
$48,938.00
2,725.893 LINK
0.0104%
100
Dex-Trade
LINK-ETH$18.02
0.0069626 Eth
$26,228.00
1,455.805 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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