ETH Price: $3,866.76 (-0.81%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

724,895 ( -0.050%)

Market

Price

$28.93 @ 0.007482 ETH (-3.60%)

Onchain Market Cap

$28,930,000,000.00

Circulating Supply Market Cap

$18,135,958,297.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.033 LINK

Value
$0.95 ( ~0.000245683740794486 Eth) [0.0000%]
0xbbbbe1c7054b2e579c7e5b7017d2f86d3ecbefa4
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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 26200% |ETH 0.0003846 1845.4%

Market

Volume (24H):$2,935,324,655.00
Market Capitalization:$18,135,958,297.00
Circulating Supply:626,849,971.00 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$28.95
0.0074869 Eth
$284,786,089.00
9,641,683.630 LINK
19.7813%
2
WhiteBIT
LINK-USDT$28.88
0.0074667 Eth
$108,390,357.00
3,753,579.050 LINK
7.7010%
3
Coinbase Exchange
LINK-USD$28.88
0.0074675 Eth
$106,138,635.00
3,675,160.500 LINK
7.5401%
4
Bitget
LINK-USDT$28.85
0.0074632 Eth
$86,685,017.00
2,941,017.921 LINK
6.0339%
5
Bybit
LINK-USDT$28.92
0.0074807 Eth
$72,890,040.00
2,473,297.341 LINK
5.0743%
6
Gate.io
LINK-USDT$28.87
0.0074635 Eth
$60,343,551.00
2,040,153.900 LINK
4.1857%
7
P2B
LINK-USDT$28.93
0.0074798 Eth
$58,060,784.00
2,006,804.060 LINK
4.1172%
8
OKX
LINK-USDT$28.92
0.0074820 Eth
$56,625,067.00
1,918,905.769 LINK
3.9369%
9
MEXC
LINK-USDT$28.86
0.0074657 Eth
$54,250,160.00
1,879,640.970 LINK
3.8563%
10
DigiFinex
LINK-USDT$28.87
0.0074676 Eth
$37,111,650.00
1,285,507.900 LINK
2.6374%
11
Deepcoin
LINK-USDT$28.90
0.0074782 Eth
$35,583,402.00
1,283,309.522 LINK
2.6329%
12
Ourbit
LINK-USDT$28.85
0.0074604 Eth
$35,256,467.00
1,195,271.350 LINK
2.4523%
13
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$28.98
0.0074932 Eth
$31,200,828.00
1,060,968.174 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.1767%
14
Slex
LINK-USDT$28.88
0.0074679 Eth
$29,983,635.00
1,019,818.230 LINK
2.0923%
15
Bitunix
LINK-USDT$28.98
0.0074894 Eth
$28,124,679.00
970,227.290 LINK
1.9906%
16
Bithumb
LINK-KRW$28.88
0.0074693 Eth
$25,486,724.00
882,627.707 LINK
1.8108%
17
Binance
LINK-BTC$28.87
0.0074687 Eth
$22,750,070.00
767,913.580 LINK
1.5755%
18
CoinW
LINK-USDT$28.94
0.0074835 Eth
$21,815,241.00
753,766.930 LINK
1.5465%
19
Binance
LINK-FDUSD$29.07
0.0075113 Eth
$20,159,515.00
682,215.970 LINK
1.3997%
20
HTX
LINK-USDT$28.88
0.0074706 Eth
$17,069,751.00
580,393.378 LINK
1.1908%
21
BTSE
LINK-USDT$28.84
0.0074609 Eth
$16,934,191.00
587,104.447 LINK
1.2045%
22
Biconomy.com
LINK-USDT$28.89
0.0074629 Eth
$16,667,609.00
565,324.230 LINK
1.1598%
23
BYDFi
LINK-USDT$28.89
0.0074635 Eth
$15,549,831.00
538,188.470 LINK
1.1042%
24
Kraken
LINK-USD$28.90
0.0074762 Eth
$13,481,576.00
466,447.910 LINK
0.9570%
25
LATOKEN
LINK-USDT$28.85
0.0074592 Eth
$13,249,591.00
459,288.680 LINK
0.9423%
26
KuCoin
LINK-USDT$28.85
0.0074633 Eth
$12,355,304.00
428,219.650 LINK
0.8786%
27
Dex-Trade
LINK-USDT$28.95
0.0074906 Eth
$9,254,755.00
319,664.553 LINK
0.6558%
28
Coinbase Exchange
LINK-EUR$28.86
0.0074617 Eth
$8,437,606.00
292,368.560 LINK
0.5998%
29
Binance
LINK-USDC$28.89
0.0074722 Eth
$7,692,629.00
260,741.300 LINK
0.5349%
30
CoinEx
LINK-USDT$28.89
0.0074697 Eth
$7,386,093.00
250,720.549 LINK
0.5144%
31
Bitvavo
LINK-EUR$28.87
0.0074655 Eth
$6,885,082.00
238,451.132 LINK
0.4892%
32
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$28.98
0.0074960 Eth
$6,590,471.00
224,762.632 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.4611%
33
LBank
LINK-USDT$28.87
0.0074565 Eth
$6,543,356.00
226,681.430 LINK
0.4651%
34
Binance
LINK-TRY$29.07
0.0075191 Eth
$4,961,270.00
166,296.250 LINK
0.3412%
35
PointPay
LINK-USDT$28.90
0.0074661 Eth
$4,621,348.00
156,560.951 LINK
0.3212%
36
Dcoin
LINK-USDT$28.98
0.0074881 Eth
$4,023,934.00
138,863.000 LINK
0.2849%
37
EXMO
LINK-USDT$28.84
0.0074612 Eth
$3,980,355.00
137,991.719 LINK
0.2831%
38
WhiteBIT
LINK-BTC$28.91
0.0074749 Eth
$3,888,960.00
134,526.130 LINK
0.2760%
39
WhiteBIT
LINK-TRY$29.14
0.0075306 Eth
$3,885,974.00
133,340.540 LINK
0.2736%
40
Hotcoin
LINK-USDT$28.89
0.0074707 Eth
$3,655,011.00
126,503.294 LINK
0.2595%
41
Bitbank
LINK-JPY$28.95
0.0074896 Eth
$2,885,779.00
99,666.547 LINK
0.2045%
42
Phemex
LINK-USDT$28.91
0.0074686 Eth
$2,822,410.00
97,617.650 LINK
0.2003%
43
EarnBIT
LINK-USDT$28.90
0.0074661 Eth
$2,647,322.00
89,725.167 LINK
0.1841%
44
Tapbit
LINK-USDT$28.88
0.0074681 Eth
$2,575,757.00
87,290.910 LINK
0.1791%
45
Coinbase Exchange
LINK-USDT$29.03
0.0075030 Eth
$2,563,549.00
88,314.448 LINK
0.1812%
46
BitStorage
LINK-USDT$28.88
0.0074669 Eth
$2,203,689.00
76,310.220 LINK
0.1566%
47
OKX
LINK-USDC$28.88
0.0074715 Eth
$2,058,213.00
69,648.443 LINK
0.1429%
48
Kraken
LINK-EUR$28.91
0.0074787 Eth
$1,984,111.00
68,624.758 LINK
0.1408%
49
Bybit
LINK-USDC$28.91
0.0074787 Eth
$1,980,329.00
67,167.348 LINK
0.1378%
50
Kraken
LINK-USDT$28.90
0.0074762 Eth
$1,956,006.00
67,675.227 LINK
0.1388%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$28.89
0.0074732 Eth
$1,941,964.00
65,768.282 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1349%
52
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$28.85
0.0074587 Eth
$1,738,532.00
59,494.384 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1221%
53
Binance
LINK-EUR$28.87
0.0074668 Eth
$1,475,074.00
49,821.420 LINK
0.1022%
54
Slex
LINK-BTC$28.93
0.0074833 Eth
$1,306,290.00
44,042.500 LINK
0.0904%
55
Gemini
LINK-USD$28.87
0.0074677 Eth
$1,224,227.00
42,404.809 LINK
0.0870%
56
LATOKEN
LINK-BTC$28.87
0.0074661 Eth
$1,128,912.00
39,096.642 LINK
0.0802%
57
GMO Japan
LINK-JPY$28.95
0.0074861 Eth
$1,053,512.00
36,387.700 LINK
0.0747%
58
Uniswap V3 (Ethereum)
0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA$29.01
0.0075021 Eth
$1,017,391.00
2,781.530 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9
0.0057%
59
Bitkub
LINK-THB$28.84
0.0074604 Eth
$1,016,343.00
35,238.874 LINK
0.0723%
60
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$29.01
0.0075021 Eth
$991,533.00
60,191.902 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1235%
61
WhiteBIT
LINK-EUR$28.85
0.0074610 Eth
$963,777.00
33,401.580 LINK
0.0685%
62
Kraken
LINK-XBT$28.89
0.0074732 Eth
$927,444.00
32,101.315 LINK
0.0659%
63
PointPay
LINK-BTC$28.91
0.0074679 Eth
$875,934.00
29,540.535 LINK
0.0606%
64
Trubit
LINK-USDT$28.85
0.0074631 Eth
$828,133.00
28,238.810 LINK
0.0579%
65
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$29.14
0.0075385 Eth
$788,722.00
26,876.604 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0551%
66
Coinbase Exchange
LINK-GBP$28.87
0.0074644 Eth
$778,885.00
26,979.090 LINK
0.0554%
67
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$28.98
0.0074971 Eth
$685,122.00
23,362.423 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0479%
68
itBit
LINK-USD$28.94
0.0074802 Eth
$661,492.00
22,857.344 LINK
0.0469%
69
BigONE
LINK-USDT$28.88
0.0074657 Eth
$640,284.00
22,167.590 LINK
0.0455%
70
HashKey Exchange
LINK-USD$29.03
0.0075045 Eth
$582,781.00
19,787.711 LINK
0.0406%
71
Coinbase Exchange
LINK-BTC$28.88
0.0074660 Eth
$582,056.00
20,156.940 LINK
0.0414%
72
XT.COM
LINK-BTC$28.90
0.0074714 Eth
$566,654.00
19,152.710 LINK
0.0393%
73
XT.COM
LINK-ETH$28.85
0.0074571 Eth
$562,900.00
19,078.280 LINK
0.0391%
74
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$28.83
0.0074532 Eth
$542,799.00
18,468.349 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0379%
75
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$28.78
0.0074455 Eth
$538,617.00
18,245.407 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0374%
76
Slex
LINK-ETH$28.93
0.0074856 Eth
$516,064.00
17,584.790 LINK
0.0361%
77
WEEX
LINK-USDC$28.96
0.0074931 Eth
$500,327.00
17,277.296 LINK
0.0354%
78
Coinone
LINK-KRW$28.92
0.0074801 Eth
$479,652.00
16,586.762 LINK
0.0340%
79
BitStorage
LINK-ETH$28.89
0.0074708 Eth
$457,754.00
15,843.090 LINK
0.0325%
80
BitMart
LINK-ETH$28.87
0.0074674 Eth
$447,757.00
15,510.020 LINK
0.0318%
81
Binance
LINK-BNB$29.01
0.0075031 Eth
$421,481.00
14,316.099 LINK
0.0294%
82
Binance US
LINK-USDT$28.85
0.0074646 Eth
$415,784.00
14,412.078 LINK
0.0296%
83
Uniswap V2 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$28.97
0.0074945 Eth
$407,479.00
13,853.240 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0284%
84
Bitso
LINK-USD$28.96
0.0074925 Eth
$402,055.00
13,881.259 LINK
0.0285%
85
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$28.82
0.0074517 Eth
$373,984.00
12,748.931 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0262%
86
Kraken
LINK-GBP$28.92
0.0074801 Eth
$337,658.00
11,676.426 LINK
0.0240%
87
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$28.98
0.0074925 Eth
$303,228.00
10,306.609 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0211%
88
Bitcointry
LINK-USDT$28.89
0.0074695 Eth
$295,912.00
10,054.020 LINK
0.0206%
89
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$28.82
0.0074559 Eth
$266,681.00
9,053.004 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0186%
90
Sushiswap
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$28.97
0.0074906 Eth
$265,336.00
9,005.981 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0185%
91
BitStorage
LINK-BTC$28.91
0.0074766 Eth
$256,546.00
8,872.500 LINK
0.0182%
92
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$28.92
0.0074780 Eth
$217,640.00
221,990.370 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.4554%
93
Coinbase Exchange
LINK-ETH$28.83
0.0074566 Eth
$202,272.00
7,016.770 LINK
0.0144%
94
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$28.86
0.0074615 Eth
$185,082.00
6,292.922 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0129%
95
BTCMarkets
LINK-AUD$28.65
0.0074163 Eth
$170,794.00
5,960.987 LINK
0.0122%
96
Foxbit
LINK-BRL$29.09
0.0075180 Eth
$144,451.00
4,871.675 LINK
0.0100%
97
BYDFi
LINK-USDC$28.83
0.0074624 Eth
$109,934.00
3,812.830 LINK
0.0078%
98
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$28.87
0.0074660 Eth
$94,942.00
3,230.139 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0066%
99
Independent Reserve
LINK-AUD$29.02
0.0075261 Eth
$86,393.00
2,977.247 LINK
0.0061%
100
Kraken
LINK-AUD$28.75
0.0074365 Eth
$68,562.00
2,384.821 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

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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