ETH Price: $3,593.95 (+3.66%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

729,389 ( 0.003%)

Market

Price

$23.29 @ 0.006480 ETH (+5.60%)

Onchain Market Cap

$23,290,000,000.00

Circulating Supply Market Cap

$14,698,910,270.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
Tokenlon: PMM
Balance
226.175864240167 LINK

Value
$5,267.64 ( ~1.4657 Eth) [0.0000%]
0x8d90113a1e286a5ab3e496fbd1853f265e5913c6
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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 21072.73% |ETH 0.0003846 1584.87%

Market

Volume (24H):$1,169,351,402.00
Market Capitalization:$14,698,910,270.00
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
Coinbase Exchange
LINK-USD$23.22
0.0064578 Eth
$44,956,919.00
1,936,295.930 LINK
10.3493%
2
Upbit
LINK-KRW$23.38
0.0065040 Eth
$36,177,121.00
1,547,146.746 LINK
8.2693%
3
Bitget
LINK-USDT$23.22
0.0064592 Eth
$31,795,933.00
1,385,332.105 LINK
7.4044%
4
Bybit
LINK-USDT$23.22
0.0064600 Eth
$26,609,984.00
1,160,555.762 LINK
6.2030%
5
Slex
LINK-USDT$23.28
0.0064804 Eth
$21,940,900.00
958,227.270 LINK
5.1216%
6
OKX
LINK-USDT$23.21
0.0064569 Eth
$21,893,067.00
955,566.503 LINK
5.1074%
7
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$23.23
0.0064623 Eth
$19,948,335.00
853,593.605 0X514910771AF9CA656AF840DFF83E8264ECF986CA
4.5624%
8
DigiFinex
LINK-USDT$23.22
0.0064586 Eth
$17,794,421.00
766,345.110 LINK
4.0960%
9
FameEX
LINK-USDT$23.22
0.0064577 Eth
$13,521,393.00
591,349.440 LINK
3.1607%
10
XT.COM
LINK-USDT$23.22
0.0064588 Eth
$13,517,639.00
591,224.480 LINK
3.1600%
11
Coinstore
LINK-USDT$23.30
0.0064872 Eth
$12,254,177.00
536,167.460 LINK
2.8658%
12
Bitunix
LINK-USDT$23.23
0.0064606 Eth
$10,660,350.00
458,875.470 LINK
2.4526%
13
HTX
LINK-USDT$23.22
0.0064599 Eth
$9,412,122.00
410,078.676 LINK
2.1918%
14
Binance
LINK-FDUSD$23.22
0.0064585 Eth
$9,377,271.00
408,193.600 LINK
2.1817%
15
BYDFi
LINK-USDT$23.25
0.0064661 Eth
$8,873,553.00
381,640.660 LINK
2.0398%
16
Biconomy.com
LINK-USDT$23.22
0.0064573 Eth
$8,239,110.00
359,676.390 LINK
1.9224%
17
Kraken
LINK-USD$23.21
0.0064569 Eth
$7,739,817.00
333,410.603 LINK
1.7820%
18
Bithumb
LINK-KRW$23.36
0.0064984 Eth
$7,542,104.00
322,827.122 LINK
1.7255%
19
LBank
LINK-USDT$23.19
0.0064509 Eth
$6,789,606.00
292,762.930 LINK
1.5648%
20
LATOKEN
LINK-USDT$23.25
0.0064634 Eth
$6,557,221.00
282,065.394 LINK
1.5076%
21
Binance
LINK-USDC$23.23
0.0064619 Eth
$5,995,394.00
260,652.570 LINK
1.3932%
22
QMall
LINK-USDT$23.27
0.0064711 Eth
$5,552,388.00
242,870.329 LINK
1.2981%
23
Dex-Trade
LINK-USDT$23.22
0.0064592 Eth
$4,417,764.00
190,244.820 LINK
1.0168%
24
Hotcoin
LINK-USDT$23.23
0.0064590 Eth
$3,662,929.00
157,692.420 LINK
0.8428%
25
FMCPAY
LINK-USDT$23.22
0.0064588 Eth
$3,632,878.00
158,382.009 LINK
0.8465%
26
KuCoin
LINK-USDT$23.22
0.0064585 Eth
$3,482,141.00
149,967.499 LINK
0.8016%
27
BTSE
LINK-USDT$23.26
0.0064673 Eth
$3,353,537.00
144,181.427 LINK
0.7706%
28
CoinEx
LINK-USDT$23.29
0.0064832 Eth
$3,173,232.00
136,926.078 LINK
0.7319%
29
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.28
0.0064744 Eth
$2,677,986.00
114,570.118 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.6124%
30
Bitvavo
LINK-EUR$23.26
0.0064686 Eth
$2,187,985.00
94,083.757 LINK
0.5029%
31
Dcoin
LINK-USDT$23.28
0.0064729 Eth
$2,126,913.00
91,380.000 LINK
0.4884%
32
PointPay
LINK-USDT$23.21
0.0064564 Eth
$2,110,120.00
92,123.308 LINK
0.4924%
33
EXMO
LINK-USDT$23.22
0.0064583 Eth
$1,958,268.00
84,342.763 LINK
0.4508%
34
ProBit Global
LINK-USDT$23.29
0.0064764 Eth
$1,622,666.00
69,661.145 LINK
0.3723%
35
Phemex
LINK-USDT$23.24
0.0064628 Eth
$1,530,903.00
65,876.790 LINK
0.3521%
36
FMCPAY
LINK-ETH$23.23
0.0064615 Eth
$1,524,362.00
65,337.920 LINK
0.3492%
37
Coinbase Exchange
LINK-EUR$23.30
0.0064795 Eth
$1,500,868.00
64,426.180 LINK
0.3444%
38
FMCPAY
LINK-BTC$23.27
0.0064688 Eth
$1,492,212.00
64,683.700 LINK
0.3457%
39
Kraken
LINK-EUR$23.23
0.0064621 Eth
$1,488,716.00
64,078.408 LINK
0.3425%
40
tanX
LINK-USDC$23.25
0.0064657 Eth
$1,206,618.00
52,704.380 LINK
0.2817%
41
Kraken
LINK-USDT$23.22
0.0064597 Eth
$1,129,858.00
48,650.464 LINK
0.2600%
42
Bybit
LINK-USDC$23.23
0.0064627 Eth
$1,124,764.00
48,623.225 LINK
0.2599%
43
BitStorage
LINK-USDT$23.23
0.0064618 Eth
$1,121,319.00
48,267.410 LINK
0.2580%
44
EarnBIT
LINK-USDT$23.22
0.0064589 Eth
$1,039,633.00
45,389.254 LINK
0.2426%
45
WhiteBIT
LINK-BTC$23.23
0.0064602 Eth
$1,020,113.00
43,911.240 LINK
0.2347%
46
Bitbank
LINK-JPY$23.23
0.0064599 Eth
$962,687.00
41,449.408 LINK
0.2215%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.25
0.0064658 Eth
$876,311.00
37,493.473 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2004%
48
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.27
0.0064718 Eth
$856,343.00
36,459.859 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1949%
49
Gemini
LINK-USD$23.20
0.0064524 Eth
$802,750.00
34,604.885 LINK
0.1850%
50
Coinbase Exchange
LINK-GBP$23.27
0.0064718 Eth
$759,544.00
32,642.900 LINK
0.1745%
51
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$23.25
0.0064657 Eth
$757,100.00
50,725.610 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2711%
52
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.20
0.0064522 Eth
$732,599.00
31,365.614 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1676%
53
WhiteBIT
LINK-TRY$23.12
0.0064301 Eth
$720,006.00
31,137.880 LINK
0.1664%
54
Koinpark
LINK-USDT$23.26
0.0064672 Eth
$706,425.00
30,369.455 LINK
0.1623%
55
Binance
LINK-EUR$23.26
0.0064690 Eth
$706,091.00
30,904.440 LINK
0.1652%
56
itBit
LINK-USD$23.23
0.0064673 Eth
$685,191.00
29,495.963 LINK
0.1577%
57
Binance
LINK-TRY$23.18
0.0064472 Eth
$614,231.00
26,792.010 LINK
0.1432%
58
ProBit Global
LINK-BTC$23.23
0.0064599 Eth
$608,038.00
26,174.406 LINK
0.1399%
59
BigONE
LINK-USDT$23.26
0.0064770 Eth
$566,735.00
24,360.800 LINK
0.1302%
60
Coinbase Exchange
LINK-ETH$23.27
0.0064735 Eth
$551,785.00
23,709.330 LINK
0.1267%
61
GMO Japan
LINK-JPY$23.37
0.0064994 Eth
$509,795.00
21,817.900 LINK
0.1166%
62
Bitbegin
LINK-USDT$23.23
0.0064618 Eth
$466,363.00
20,372.546 LINK
0.1089%
63
Coinbase Exchange
LINK-BTC$23.22
0.0064593 Eth
$464,119.00
19,985.830 LINK
0.1068%
64
HashKey Exchange
LINK-USD$23.27
0.0064724 Eth
$450,867.00
20,048.529 LINK
0.1072%
65
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.26
0.0064696 Eth
$432,419.00
18,473.562 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0987%
66
Slex
LINK-ETH$23.25
0.0064647 Eth
$427,215.00
18,318.140 LINK
0.0979%
67
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.25
0.0064680 Eth
$407,829.00
397,258.223 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.1233%
68
Coinbase Exchange
LINK-USDT$23.29
0.0064767 Eth
$389,772.00
16,734.981 LINK
0.0894%
69
Bitkub
LINK-THB$23.19
0.0064540 Eth
$382,636.00
16,500.478 LINK
0.0882%
70
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.23
0.0064624 Eth
$292,844.00
288,769.290 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.5434%
71
BTCMarkets
LINK-AUD$23.29
0.0064778 Eth
$285,355.00
12,252.831 LINK
0.0655%
72
BitMart
LINK-BTC$23.23
0.0064622 Eth
$281,554.00
12,118.780 LINK
0.0648%
73
OKX
LINK-USDC$23.23
0.0064603 Eth
$264,340.00
11,493.132 LINK
0.0614%
74
LATOKEN
LINK-BTC$23.25
0.0064654 Eth
$257,189.00
11,061.962 LINK
0.0591%
75
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$23.27
0.0064730 Eth
$250,309.00
10,909.881 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0583%
76
BitDelta
LINK-USDT$23.29
0.0064764 Eth
$236,486.00
10,335.000 LINK
0.0552%
77
Bitci TR
LINK-TRY$23.25
0.0064652 Eth
$232,523.00
10,166.000 LINK
0.0543%
78
Coinone
LINK-KRW$23.35
0.0064946 Eth
$205,951.00
8,820.553 LINK
0.0471%
79
PointPay
LINK-BTC$23.26
0.0064699 Eth
$192,417.00
8,281.321 LINK
0.0443%
80
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.24
0.0064646 Eth
$181,546.00
7,736.851 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0414%
81
BitStorage
LINK-ETH$23.20
0.0064541 Eth
$170,783.00
7,360.100 LINK
0.0393%
82
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$23.22
0.0064589 Eth
$158,890.00
6,811.987 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0364%
83
Binance
LINK-BRL$23.34
0.0064969 Eth
$157,389.00
6,740.480 LINK
0.0360%
84
KuCoin
LINK-USDC$23.27
0.0064714 Eth
$154,171.00
6,626.583 LINK
0.0354%
85
Bitso
LINK-USD$23.32
0.0064916 Eth
$150,701.00
6,463.314 LINK
0.0345%
86
Binance US
LINK-USDT$23.29
0.0064795 Eth
$150,300.00
6,452.567 LINK
0.0345%
87
Hotcoin
LINK-BTC$23.24
0.0064624 Eth
$131,247.00
5,647.290 LINK
0.0302%
88
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.27
0.0064721 Eth
$125,909.00
5,388.268 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0288%
89
EXMO
LINK-BTC$23.24
0.0064631 Eth
$117,615.00
5,061.883 LINK
0.0271%
90
CoinEx
LINK-BTC$23.34
0.0064884 Eth
$100,549.00
4,282.280 LINK
0.0229%
91
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$23.23
0.0064605 Eth
$92,798.00
4,050.888 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0217%
92
BitMart
LINK-ETH$23.22
0.0064599 Eth
$89,243.00
3,842.600 LINK
0.0205%
93
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.37
0.0065015 Eth
$77,468.00
3,435.056 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0184%
94
Mercado Bitcoin
LINK-BRL$23.34
0.0064912 Eth
$77,095.00
3,303.664 LINK
0.0177%
95
Independent Reserve
LINK-AUD$23.28
0.0064749 Eth
$68,815.00
2,956.189 LINK
0.0158%
96
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$23.37
0.0065007 Eth
$64,620.00
2,760.982 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0148%
97
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$23.25
0.0064671 Eth
$63,575.00
63,125.949 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3374%
98
Coins.ph
LINK-PHP$23.42
0.0065158 Eth
$50,553.00
2,201.897 LINK
0.0118%
99
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$23.28
0.0064744 Eth
$45,422.00
1,946.555 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0104%
100
Korbit
LINK-KRW$23.37
0.0065002 Eth
$35,152.00
1,522.131 LINK
0.0081%

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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