ETH Price: $3,341.92 (-1.70%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

730,115 ( 0.018%)

Market

Price

$24.99 @ 0.007478 ETH (-3.59%)

Onchain Market Cap

$24,990,000,000.00

Circulating Supply Market Cap

$15,953,413,738.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
10.12551783 LINK

Value
$253.04 ( ~0.0757169431122345 Eth) [0.0000%]
0x08b0947a677007b0aee59e21b5d9ffd01d3f7e0d
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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 22618.18% |ETH 0.0003846 1844.36%

Market

Volume (24H):$621,574,630.00
Market Capitalization:$15,953,413,738.00
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$25.02
0.0075013 Eth
$76,994,302.00
3,056,792.290 LINK
21.8268%
2
Coinbase Exchange
LINK-USD$24.99
0.0074939 Eth
$42,144,549.00
1,686,321.590 LINK
12.0410%
3
Slex
LINK-USDT$24.99
0.0074927 Eth
$25,498,477.00
1,012,936.900 LINK
7.2328%
4
Bybit
LINK-USDT$25.02
0.0075023 Eth
$24,242,707.00
961,641.424 LINK
6.8665%
5
P2B
LINK-USDT$25.01
0.0074987 Eth
$16,107,827.00
644,135.830 LINK
4.5994%
6
HTX
LINK-USDT$25.01
0.0075004 Eth
$14,127,241.00
561,029.247 LINK
4.0060%
7
OKX
LINK-USDT$25.01
0.0075001 Eth
$13,647,915.00
541,838.559 LINK
3.8690%
8
Binance
LINK-FDUSD$24.98
0.0074874 Eth
$7,731,823.00
307,285.680 LINK
2.1941%
9
WhiteBIT
LINK-USDT$24.95
0.0074779 Eth
$7,698,284.00
308,607.690 LINK
2.2036%
10
XT.COM
LINK-USDT$25.00
0.0074970 Eth
$7,667,594.00
304,347.890 LINK
2.1732%
11
Azbit
LINK-USDT$24.98
0.0074897 Eth
$7,644,617.00
303,438.780 LINK
2.1667%
12
KuCoin
LINK-USDT$25.00
0.0074959 Eth
$7,124,239.00
284,995.999 LINK
2.0350%
13
Coinstore
LINK-USDT$25.00
0.0074957 Eth
$6,869,926.00
272,770.990 LINK
1.9477%
14
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$25.00
0.0074959 Eth
$6,759,514.00
267,174.736 0X514910771AF9CA656AF840DFF83E8264ECF986CA
1.9077%
15
Bitunix
LINK-USDT$24.98
0.0074907 Eth
$6,105,412.00
244,422.380 LINK
1.7453%
16
CoinW
LINK-USDT$25.03
0.0075022 Eth
$4,813,990.00
192,352.100 LINK
1.3735%
17
BYDFi
LINK-USDT$24.99
0.0074927 Eth
$4,257,355.00
170,376.640 LINK
1.2166%
18
Hotcoin
LINK-USDT$24.98
0.0074892 Eth
$3,873,517.00
155,071.310 LINK
1.1073%
19
Kraken
LINK-USD$24.76
0.0074248 Eth
$3,777,371.00
152,543.508 LINK
1.0892%
20
LBank
LINK-USDT$25.01
0.0074987 Eth
$3,733,575.00
149,299.020 LINK
1.0661%
21
LATOKEN
LINK-USDT$24.99
0.0074942 Eth
$3,599,627.00
144,050.710 LINK
1.0286%
22
FMCPAY
LINK-USDT$24.99
0.0074932 Eth
$3,311,787.00
131,685.100 LINK
0.9403%
23
Coinbase Exchange
LINK-EUR$25.05
0.0075122 Eth
$3,169,078.00
126,517.830 LINK
0.9034%
24
QMall
LINK-USDT$24.99
0.0074948 Eth
$3,157,564.00
125,338.451 LINK
0.8950%
25
Dex-Trade
LINK-USDT$25.02
0.0075033 Eth
$2,469,309.00
98,689.210 LINK
0.7047%
26
Bitvavo
LINK-EUR$25.04
0.0075064 Eth
$1,977,561.00
78,972.537 LINK
0.5639%
27
WhiteBIT
LINK-BTC$24.95
0.0074814 Eth
$1,865,926.00
74,788.080 LINK
0.5340%
28
Coinbase Exchange
LINK-GBP$24.98
0.0074914 Eth
$1,683,218.00
67,378.590 LINK
0.4811%
29
FMCPAY
LINK-ETH$24.98
0.0074902 Eth
$1,585,742.00
62,662.720 LINK
0.4474%
30
FMCPAY
LINK-BTC$25.00
0.0074961 Eth
$1,476,803.00
58,792.600 LINK
0.4198%
31
CoinEx
LINK-USDT$25.00
0.0074950 Eth
$1,463,091.00
57,923.214 LINK
0.4136%
32
WhiteBIT
LINK-TRY$25.09
0.0075221 Eth
$1,318,068.00
52,539.830 LINK
0.3752%
33
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$24.98
0.0074889 Eth
$1,142,191.00
45,259.649 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3232%
34
tanX
LINK-USDC$25.00
0.0074958 Eth
$1,082,861.00
42,941.220 LINK
0.3066%
35
PointPay
LINK-USDT$24.98
0.0074890 Eth
$1,015,450.00
40,220.679 LINK
0.2872%
36
Gemini
LINK-USD$24.99
0.0074916 Eth
$924,474.00
37,000.567 LINK
0.2642%
37
EXMO
LINK-USDT$25.02
0.0075040 Eth
$876,175.00
35,012.425 LINK
0.2500%
38
OKX
LINK-USDC$25.00
0.0074954 Eth
$840,564.00
33,490.464 LINK
0.2391%
39
Phemex
LINK-USDT$25.00
0.0074950 Eth
$837,553.00
33,504.460 LINK
0.2392%
40
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.00
0.0074954 Eth
$808,942.00
31,847.397 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2274%
41
Trubit
LINK-USDT$24.99
0.0074947 Eth
$759,756.00
30,153.600 LINK
0.2153%
42
Kraken
LINK-EUR$24.87
0.0074585 Eth
$657,533.00
26,433.786 LINK
0.1887%
43
EarnBIT
LINK-USDT$25.00
0.0074974 Eth
$638,640.00
25,361.913 LINK
0.1811%
44
Bitbank
LINK-JPY$25.06
0.0075149 Eth
$604,468.00
24,120.983 LINK
0.1722%
45
BigONE
LINK-USDT$25.04
0.0075083 Eth
$562,797.00
22,475.750 LINK
0.1605%
46
Binance
LINK-EUR$25.08
0.0075177 Eth
$558,111.00
22,139.970 LINK
0.1581%
47
Binance
LINK-TRY$25.12
0.0075321 Eth
$543,470.00
21,459.900 LINK
0.1532%
48
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$24.99
0.0074919 Eth
$524,828.00
20,777.129 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1484%
49
WhiteBIT
LINK-EUR$25.01
0.0074995 Eth
$507,548.00
20,293.270 LINK
0.1449%
50
QMall
LINK-USDC$25.10
0.0075261 Eth
$400,073.00
15,842.869 LINK
0.1131%
51
Kraken
LINK-XBT$24.79
0.0074331 Eth
$371,705.00
14,994.016 LINK
0.1071%
52
Coinbase Exchange
LINK-USDT$25.07
0.0075180 Eth
$340,822.00
13,595.906 LINK
0.0971%
53
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$25.02
0.0075028 Eth
$335,325.00
13,299.689 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0950%
54
LATOKEN
LINK-BTC$24.98
0.0074914 Eth
$318,582.00
12,751.944 LINK
0.0911%
55
BitMart
LINK-BTC$24.98
0.0074893 Eth
$304,473.00
12,190.200 LINK
0.0870%
56
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$24.98
0.0074923 Eth
$300,168.00
11,872.364 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0848%
57
Coinbase Exchange
LINK-BTC$24.99
0.0074942 Eth
$293,519.00
11,743.960 LINK
0.0839%
58
Kraken
LINK-USDT$24.79
0.0074339 Eth
$288,821.00
11,649.352 LINK
0.0832%
59
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$25.02
0.0074993 Eth
$246,520.00
250,431.497 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.7882%
60
Bitci TR
LINK-TRY$25.21
0.0075604 Eth
$246,357.00
9,738.440 LINK
0.0695%
61
BitDelta
LINK-USDT$24.99
0.0074940 Eth
$244,739.00
9,694.000 LINK
0.0692%
62
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$24.99
0.0074947 Eth
$242,916.00
19,816.086 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1415%
63
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$25.36
0.0076048 Eth
$235,739.00
235,426.684 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.6810%
64
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$25.00
0.0074944 Eth
$203,879.00
8,064.955 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0576%
65
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$24.98
0.0074906 Eth
$179,009.00
7,080.019 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0506%
66
BitStorage
LINK-ETH$25.09
0.0075179 Eth
$175,416.00
6,990.290 LINK
0.0499%
67
GMO Japan
LINK-JPY$25.28
0.0075815 Eth
$169,636.00
6,709.100 LINK
0.0479%
68
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.03
0.0075049 Eth
$162,580.00
6,424.403 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0459%
69
Hotcoin
LINK-BTC$25.00
0.0074972 Eth
$140,384.00
5,614.700 LINK
0.0401%
70
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$25.04
0.0075077 Eth
$139,513.00
6,695.709 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0478%
71
Coinbase Exchange
LINK-ETH$25.13
0.0075351 Eth
$133,577.00
5,315.560 LINK
0.0380%
72
BYDFi
LINK-USDC$25.01
0.0074999 Eth
$111,829.00
4,471.000 LINK
0.0319%
73
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$25.07
0.0075182 Eth
$110,983.00
4,367.531 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0312%
74
Kraken
LINK-GBP$24.78
0.0074302 Eth
$109,064.00
4,401.218 LINK
0.0314%
75
BitMart
LINK-ETH$24.99
0.0074944 Eth
$106,007.00
4,241.340 LINK
0.0303%
76
Bitkub
LINK-THB$25.18
0.0075499 Eth
$105,065.00
4,172.884 LINK
0.0298%
77
Mercado Bitcoin
LINK-BRL$25.11
0.0075312 Eth
$102,768.00
4,092.048 LINK
0.0292%
78
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$24.96
0.0074847 Eth
$86,316.00
87,438.589 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.6243%
79
Binance US
LINK-USDT$25.01
0.0074987 Eth
$83,853.00
3,353.143 LINK
0.0239%
80
Kraken
LINK-USDC$24.80
0.0074385 Eth
$70,846.00
2,856.389 LINK
0.0204%
81
KuCoin
LINK-USDC$24.98
0.0074910 Eth
$68,707.00
2,750.347 LINK
0.0196%
82
Bitso
LINK-USD$25.00
0.0074984 Eth
$68,664.00
2,746.028 LINK
0.0196%
83
Kanga
LINK-PLN$25.22
0.0075633 Eth
$68,527.00
0.000 LINK
0.0000%
84
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$25.02
0.0075009 Eth
$61,939.00
2,458.471 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0176%
85
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$25.12
0.0075329 Eth
$47,347.00
1,872.180 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0134%
86
Hotcoin
LINK-ETH$24.99
0.0074932 Eth
$42,991.00
1,720.450 LINK
0.0123%
87
Kraken
LINK-ETH$25.02
0.0075018 Eth
$39,248.00
1,568.723 LINK
0.0112%
88
Dex-Trade
LINK-ETH$24.99
0.0074918 Eth
$24,363.00
975.110 LINK
0.0070%
89
OKX
LINK-EUR$25.17
0.0075455 Eth
$24,049.00
957.336 LINK
0.0068%
90
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$25.04
0.0075075 Eth
$21,365.00
28.574 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0002%
91
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$25.09
0.0075228 Eth
$20,281.00
796.123 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0057%
92
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$25.02
0.0075039 Eth
$18,891.11
750.748 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0054%
93
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$24.97
0.0074872 Eth
$18,149.78
721.542 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0052%
94
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$25.05
0.0075118 Eth
$17,934.52
709.206 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0051%
95
LFJ
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$25.10
0.0075257 Eth
$14,298.72
555.355 0X5947BB275C521040051D82396192181B413227A3
0.0040%
96
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$25.02
0.0075017 Eth
$12,708.60
503.293 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0036%
97
KuCoin
LINK-KCS$24.98
0.0074917 Eth
$12,055.70
482.547 LINK
0.0034%
98
Uniswap V3 (Arbitrum One)
0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$24.98
0.0074902 Eth
$9,446.48
28.165 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196
0.0002%
99
Gemini
LINK-BTC$25.18
0.0075504 Eth
$8,133.83
323.007 LINK
0.0023%
100
Bitexen
LINK-TRY$24.88
0.0074613 Eth
$7,096.73
285.216 LINK
0.0020%

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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