ETH Price: $2,679.13 (-1.27%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

736,439 (0.00%)

Market

Price

$17.70 @ 0.006607 ETH (-6.84%)

Onchain Market Cap

$17,700,000,000.00

Circulating Supply Market Cap

$11,285,399,536.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x7a38aa497a91068f5cd715849594475db45b0db0
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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 15990.91% |ETH 0.0003846 1617.89%

Market

Volume (24H):$698,198,353.00
Market Capitalization:$11,285,399,536.00
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$17.68
0.0066256 Eth
$81,492,062.00
4,539,576.940 LINK
19.0086%
2
MEXC
LINK-USDT$17.72
0.0066326 Eth
$46,343,488.00
2,615,315.710 LINK
10.9511%
3
Coinbase Exchange
LINK-USD$17.76
0.0066444 Eth
$30,495,001.00
1,716,770.880 LINK
7.1886%
4
Bybit
LINK-USDT$17.83
0.0066544 Eth
$28,379,835.00
1,579,211.905 LINK
6.6126%
5
HTX
LINK-USDT$17.83
0.0066546 Eth
$20,144,636.00
1,120,893.585 LINK
4.6935%
6
Kraken
LINK-USD$17.87
0.0066659 Eth
$14,039,998.00
785,894.076 LINK
3.2908%
7
Bitget
LINK-USDT$17.85
0.0066593 Eth
$12,014,279.00
670,390.536 LINK
2.8071%
8
Slex
LINK-USDT$17.85
0.0066635 Eth
$10,974,308.00
610,226.600 LINK
2.5552%
9
DigiFinex
LINK-USDT$17.82
0.0066456 Eth
$9,988,730.00
560,684.200 LINK
2.3478%
10
Gate.io
LINK-USDT$17.88
0.0066697 Eth
$9,688,676.00
540,570.320 LINK
2.2635%
11
OKX
LINK-USDT$17.83
0.0066527 Eth
$9,348,694.00
519,753.009 LINK
2.1764%
12
MEXC
LINK-EUR$17.87
0.0066681 Eth
$8,655,356.00
484,485.320 LINK
2.0287%
13
KuCoin
LINK-USDT$17.83
0.0066527 Eth
$8,474,073.00
475,277.168 LINK
1.9901%
14
XT.COM
LINK-USDT$17.83
0.0066701 Eth
$8,092,661.00
450,963.880 LINK
1.8883%
15
MEXC
LINK-USDC$17.86
0.0066624 Eth
$8,076,194.00
452,303.010 LINK
1.8939%
16
Coinstore
LINK-USDT$17.77
0.0066500 Eth
$6,975,756.00
388,923.320 LINK
1.6285%
17
CoinW
LINK-USDT$17.70
0.0066270 Eth
$6,318,458.00
356,946.700 LINK
1.4946%
18
Binance
LINK-FDUSD$17.68
0.0066329 Eth
$6,248,982.00
347,229.640 LINK
1.4540%
19
WhiteBIT
LINK-USDT$17.71
0.0066318 Eth
$5,622,252.00
317,383.180 LINK
1.3290%
20
Binance
LINK-USDC$17.84
0.0066728 Eth
$5,534,804.00
309,224.630 LINK
1.2948%
21
Hotcoin
LINK-USDT$17.73
0.0066367 Eth
$5,339,658.00
301,148.260 LINK
1.2610%
22
Azbit
LINK-USDT$17.71
0.0066258 Eth
$4,856,382.00
270,605.344 LINK
1.1331%
23
Bitunix
LINK-USDT$17.77
0.0066469 Eth
$4,688,027.00
263,936.330 LINK
1.1052%
24
BYDFi
LINK-USDT$17.67
0.0066298 Eth
$4,478,657.00
253,392.840 LINK
1.0610%
25
BTSE
LINK-USDT$17.75
0.0066413 Eth
$4,112,501.00
231,663.186 LINK
0.9700%
26
Coinbase Exchange
LINK-GBP$17.74
0.0066373 Eth
$3,859,095.00
217,487.000 LINK
0.9107%
27
LATOKEN
LINK-USDT$17.78
0.0066520 Eth
$3,847,949.00
216,400.561 LINK
0.9061%
28
QMall
LINK-USDT$17.84
0.0066736 Eth
$3,316,629.00
185,020.548 LINK
0.7747%
29
Bitvavo
LINK-EUR$17.86
0.0066655 Eth
$2,921,427.00
163,537.038 LINK
0.6848%
30
FMCPAY
LINK-USDT$17.75
0.0066408 Eth
$2,789,593.00
154,690.231 LINK
0.6477%
31
Dex-Trade
LINK-USDT$17.85
0.0066718 Eth
$2,594,017.00
145,282.900 LINK
0.6083%
32
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.78
0.0066378 Eth
$2,342,162.00
130,247.609 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.5454%
33
CoinEx
LINK-USDT$17.77
0.0066477 Eth
$2,255,975.00
125,990.997 LINK
0.5276%
34
Coinbase Exchange
LINK-EUR$17.76
0.0066422 Eth
$2,218,832.00
124,954.950 LINK
0.5232%
35
Binance
LINK-BTC$17.71
0.0066283 Eth
$1,818,580.00
101,543.360 LINK
0.4252%
36
Biconomy.com
LINK-USDT$17.75
0.0066411 Eth
$1,535,075.00
85,304.190 LINK
0.3572%
37
Binance
LINK-ETH$17.84
0.0066561 Eth
$1,221,868.00
67,956.560 LINK
0.2846%
38
PointPay
LINK-USDT$17.84
0.0066736 Eth
$1,213,951.00
67,753.686 LINK
0.2837%
39
FMCPAY
LINK-BTC$17.83
0.0066566 Eth
$1,190,042.00
65,912.500 LINK
0.2760%
40
FMCPAY
LINK-ETH$17.77
0.0066356 Eth
$1,188,797.00
66,028.400 LINK
0.2765%
41
Gemini
LINK-USD$17.86
0.0066643 Eth
$888,357.00
49,737.741 LINK
0.2083%
42
tanX
LINK-USDC$17.77
0.0066487 Eth
$862,651.00
47,759.290 LINK
0.2000%
43
Phemex
LINK-USDT$17.78
0.0066520 Eth
$858,230.00
48,264.910 LINK
0.2021%
44
EXMO
LINK-USDT$17.89
0.0066757 Eth
$853,017.00
47,693.770 LINK
0.1997%
45
Trubit
LINK-USDT$17.85
0.0066593 Eth
$811,343.00
45,156.400 LINK
0.1891%
46
Bitbank
LINK-JPY$17.83
0.0066690 Eth
$718,675.00
40,309.496 LINK
0.1688%
47
WhiteBIT
LINK-BTC$17.72
0.0066285 Eth
$706,949.00
39,897.990 LINK
0.1671%
48
LATOKEN
LINK-BTC$17.84
0.0066572 Eth
$704,986.00
39,513.491 LINK
0.1655%
49
BigONE
LINK-USDT$17.66
0.0066137 Eth
$698,635.00
39,563.860 LINK
0.1657%
50
BitStorage
LINK-USDT$17.84
0.0066565 Eth
$647,023.00
36,268.200 LINK
0.1519%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$17.87
0.0066665 Eth
$646,867.00
36,116.401 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1512%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$17.78
0.0066338 Eth
$636,427.00
35,483.750 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1486%
53
Binance
LINK-EUR$17.78
0.0066330 Eth
$634,126.00
35,274.240 LINK
0.1477%
54
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.67
0.0065955 Eth
$563,871.00
30,972.025 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1297%
55
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$17.79
0.0066395 Eth
$532,548.00
56,192.847 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2353%
56
itBit
LINK-USD$17.80
0.0066590 Eth
$524,732.00
29,479.304 LINK
0.1234%
57
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.76
0.0066280 Eth
$504,028.00
28,081.392 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1176%
58
OKX
LINK-USDC$17.85
0.0066619 Eth
$503,428.00
28,491.847 LINK
0.1193%
59
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$17.76
0.0066280 Eth
$474,335.00
480,808.848 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.0133%
60
QMall
LINK-USDC$17.76
0.0066429 Eth
$452,724.00
25,307.865 LINK
0.1060%
61
EarnBIT
LINK-USDT$17.62
0.0066131 Eth
$450,955.00
25,057.501 LINK
0.1049%
62
Binance
LINK-TRY$17.65
0.0066246 Eth
$425,501.00
23,740.560 LINK
0.0994%
63
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$17.76
0.0066284 Eth
$409,339.00
22,971.293 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0962%
64
Kraken
LINK-USDC$17.75
0.0066213 Eth
$405,964.00
22,876.698 LINK
0.0958%
65
Bybit
LINK-USDC$17.87
0.0066663 Eth
$371,254.00
20,606.278 LINK
0.0863%
66
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.77
0.0066292 Eth
$352,224.00
19,571.319 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0820%
67
Coinbase Exchange
LINK-USDT$17.82
0.0066661 Eth
$334,717.00
18,781.478 LINK
0.0786%
68
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.81
0.0066490 Eth
$312,147.00
17,288.889 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0724%
69
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$17.61
0.0065790 Eth
$304,212.00
17,285.803 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0724%
70
BitDelta
LINK-USDT$17.77
0.0066482 Eth
$287,384.00
15,985.000 LINK
0.0669%
71
BitStorage
LINK-ETH$17.84
0.0066565 Eth
$272,882.00
15,296.110 LINK
0.0640%
72
Slex
LINK-ETH$17.79
0.0066416 Eth
$248,364.00
13,845.260 LINK
0.0580%
73
BitMart
LINK-BTC$17.85
0.0066589 Eth
$246,737.00
13,825.620 LINK
0.0579%
74
GMO Japan
LINK-JPY$17.69
0.0066020 Eth
$243,279.00
13,754.100 LINK
0.0576%
75
Binance US
LINK-USDT$17.74
0.0066376 Eth
$231,528.00
13,049.714 LINK
0.0546%
76
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$17.86
0.0066623 Eth
$230,705.00
12,866.662 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0539%
77
Hotcoin
LINK-BTC$17.83
0.0066688 Eth
$191,360.00
10,733.480 LINK
0.0449%
78
Bitci TR
LINK-TRY$17.73
0.0066243 Eth
$183,907.00
10,191.890 LINK
0.0427%
79
CoinTR
LINK-TRY$17.85
0.0066755 Eth
$178,809.00
9,940.750 LINK
0.0416%
80
BYDFi
LINK-USDC$17.61
0.0066117 Eth
$174,889.00
9,928.600 LINK
0.0416%
81
WhiteBIT
LINK-EUR$17.71
0.0066262 Eth
$174,071.00
9,826.640 LINK
0.0411%
82
bitcastle
LINK-USDT$17.76
0.0066441 Eth
$164,840.00
9,194.880 LINK
0.0385%
83
Kraken
LINK-ETH$17.72
0.0066106 Eth
$149,739.00
8,451.757 LINK
0.0354%
84
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$17.87
0.0066846 Eth
$145,741.00
8,108.525 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0340%
85
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$17.74
0.0066218 Eth
$145,496.00
8,099.269 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0339%
86
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$17.83
0.0066521 Eth
$129,912.00
7,214.783 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0302%
87
Kraken
LINK-GBP$17.57
0.0065564 Eth
$127,275.00
7,243.267 LINK
0.0303%
88
Bitso
LINK-USD$17.85
0.0066611 Eth
$101,574.00
5,689.686 LINK
0.0238%
89
KuCoin
LINK-USDC$17.86
0.0066648 Eth
$94,974.00
5,317.006 LINK
0.0223%
90
Kanga
LINK-PLN$17.70
0.0066408 Eth
$83,597.00
0.000 LINK
0.0000%
91
Uniswap V4 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$17.69
0.0066038 Eth
$79,770.00
81,447.312 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.3410%
92
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$17.83
0.0066521 Eth
$76,489.00
77,153.571 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3231%
93
BTCMarkets
LINK-AUD$17.55
0.0065522 Eth
$74,310.00
4,233.126 LINK
0.0177%
94
BitMart
LINK-ETH$17.83
0.0066537 Eth
$69,055.00
3,872.500 LINK
0.0162%
95
Binance
LINK-BNB$17.70
0.0066260 Eth
$66,788.00
3,778.565 LINK
0.0158%
96
Hotcoin
LINK-ETH$17.74
0.0066387 Eth
$53,406.00
3,010.390 LINK
0.0126%
97
Binance
LINK-BRL$17.72
0.0066467 Eth
$51,936.00
2,878.480 LINK
0.0121%
98
Independent Reserve
LINK-AUD$17.71
0.0066061 Eth
$51,599.00
2,914.343 LINK
0.0122%
99
KuCoin
LINK-BTC$17.86
0.0066626 Eth
$43,937.00
2,460.600 LINK
0.0103%
100
Dex-Trade
LINK-ETH$17.71
0.0066255 Eth
$34,944.00
1,973.090 LINK
0.0083%

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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