ETH Price: $3,415.23 (+0.70%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

729,337 ( -0.013%)

Market

Price

$21.28 @ 0.006231 ETH (-1.64%)

Onchain Market Cap

$21,280,000,000.00

Circulating Supply Market Cap

$13,436,595,508.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.03 LINK

Value
$0.64 ( ~0.000187395848072891 Eth) [0.0000%]
0x8ecd5851c3478d8b12cecf5962221d9fbd9809e9
Loading...
Loading
Loading...
Loading
Loading...
Loading

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 19245.45% |ETH 0.0003846 1520.12%

Market

Volume (24H):$684,242,695.00
Market Capitalization:$13,436,595,508.00
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
Binance
LINK-USDT$21.16
0.0061955 Eth
$60,424,528.00
2,839,192.100 LINK
19.7829%
2
Coinbase Exchange
LINK-USD$21.17
0.0061941 Eth
$28,657,328.00
1,353,548.440 LINK
9.4312%
3
Upbit
LINK-KRW$21.27
0.0062276 Eth
$22,485,737.00
1,056,958.710 LINK
7.3647%
4
Slex
LINK-USDT$21.16
0.0061952 Eth
$22,351,317.00
1,049,072.220 LINK
7.3097%
5
MEXC
LINK-USDT$21.23
0.0062114 Eth
$16,265,895.00
766,062.750 LINK
5.3378%
6
Bybit
LINK-USDT$21.16
0.0061938 Eth
$16,120,902.00
756,930.852 LINK
5.2741%
7
CoinW
LINK-USDT$21.26
0.0062218 Eth
$10,545,763.00
495,998.680 LINK
3.4560%
8
OKX
LINK-USDT$21.17
0.0061960 Eth
$9,840,694.00
461,901.541 LINK
3.2184%
9
HTX
LINK-USDT$21.16
0.0061937 Eth
$9,001,138.00
422,583.390 LINK
2.9445%
10
DigiFinex
LINK-USDT$21.17
0.0061972 Eth
$7,829,286.00
369,826.680 LINK
2.5769%
11
Azbit
LINK-USDT$21.31
0.0062348 Eth
$6,002,569.00
281,969.460 LINK
1.9647%
12
XT.COM
LINK-USDT$21.23
0.0062114 Eth
$5,916,115.00
277,887.910 LINK
1.9363%
13
Coinstore
LINK-USDT$21.15
0.0061875 Eth
$5,499,859.00
258,609.990 LINK
1.8019%
14
Bithumb
LINK-KRW$21.29
0.0062336 Eth
$5,425,190.00
254,771.091 LINK
1.7752%
15
Biconomy.com
LINK-USDT$21.17
0.0061968 Eth
$5,107,641.00
239,746.733 LINK
1.6705%
16
Bitunix
LINK-USDT$21.20
0.0062009 Eth
$4,984,839.00
235,106.690 LINK
1.6382%
17
Coinbase Exchange
LINK-GBP$21.25
0.0062153 Eth
$4,672,234.00
219,916.360 LINK
1.5323%
18
BTSE
LINK-USDT$21.21
0.0062057 Eth
$4,521,770.00
213,143.107 LINK
1.4851%
19
Binance
LINK-USDC$21.23
0.0062103 Eth
$4,110,183.00
193,373.980 LINK
1.3474%
20
BYDFi
LINK-USDT$21.25
0.0062182 Eth
$3,920,208.00
184,447.190 LINK
1.2852%
21
Hotcoin
LINK-USDT$21.23
0.0062110 Eth
$3,866,997.00
182,119.890 LINK
1.2690%
22
LBank
LINK-USDT$21.16
0.0061962 Eth
$3,740,607.00
176,746.450 LINK
1.2315%
23
Kraken
LINK-USD$21.22
0.0062129 Eth
$3,313,015.00
156,101.710 LINK
1.0877%
24
KuCoin
LINK-USDT$21.17
0.0061969 Eth
$3,038,350.00
143,528.621 LINK
1.0001%
25
LATOKEN
LINK-USDT$21.21
0.0062053 Eth
$2,931,406.00
138,187.448 LINK
0.9629%
26
QMall
LINK-USDT$21.15
0.0061923 Eth
$2,512,727.00
118,066.223 LINK
0.8227%
27
Bitvavo
LINK-EUR$21.15
0.0061806 Eth
$2,396,473.00
113,333.912 LINK
0.7897%
28
Dex-Trade
LINK-USDT$21.16
0.0061958 Eth
$1,940,253.00
91,673.419 LINK
0.6388%
29
Dcoin
LINK-USDT$21.16
0.0061955 Eth
$1,866,594.00
88,196.000 LINK
0.6145%
30
CoinEx
LINK-USDT$21.17
0.0061981 Eth
$1,283,735.00
60,284.807 LINK
0.4201%
31
Coinbase Exchange
LINK-USDT$21.38
0.0062549 Eth
$1,189,169.00
55,610.054 LINK
0.3875%
32
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$21.36
0.0062496 Eth
$1,097,054.00
50,536.543 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3521%
33
Phemex
LINK-USDT$21.22
0.0062082 Eth
$1,048,802.00
49,417.640 LINK
0.3443%
34
PointPay
LINK-USDT$21.21
0.0062053 Eth
$951,364.00
44,709.919 LINK
0.3115%
35
Trubit
LINK-USDT$21.31
0.0062331 Eth
$909,919.00
42,733.220 LINK
0.2978%
36
Bybit
LINK-USDC$21.17
0.0061982 Eth
$907,890.00
42,877.713 LINK
0.2988%
37
Azbit
LINK-ETH$21.21
0.0062092 Eth
$866,034.00
40,180.374 LINK
0.2800%
38
EXMO
LINK-USDT$21.16
0.0061942 Eth
$864,074.00
40,836.530 LINK
0.2845%
39
WhiteBIT
LINK-BTC$21.17
0.0061977 Eth
$774,886.00
36,599.920 LINK
0.2550%
40
tanX
LINK-USDC$21.21
0.0062100 Eth
$705,039.00
33,123.690 LINK
0.2308%
41
WhiteBIT
LINK-TRY$21.21
0.0062096 Eth
$681,112.00
32,109.270 LINK
0.2237%
42
BigONE
LINK-USDT$21.16
0.0061887 Eth
$618,868.00
29,250.160 LINK
0.2038%
43
Bitbank
LINK-JPY$21.16
0.0061898 Eth
$598,304.00
28,273.173 LINK
0.1970%
44
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$21.21
0.0062102 Eth
$525,568.00
24,371.619 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1698%
45
HashKey Exchange
LINK-USD$21.29
0.0062270 Eth
$450,148.00
21,057.544 LINK
0.1467%
46
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$21.39
0.0062584 Eth
$446,374.00
20,677.757 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1441%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$21.23
0.0062145 Eth
$403,045.00
18,874.769 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1315%
48
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$21.34
0.0062430 Eth
$389,445.00
29,295.875 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2041%
49
Slex
LINK-ETH$21.22
0.0062064 Eth
$369,971.00
17,159.040 LINK
0.1196%
50
QMall
LINK-USDC$21.30
0.0062329 Eth
$364,512.00
17,122.188 LINK
0.1193%
51
Gemini
LINK-USD$21.17
0.0061963 Eth
$348,453.00
16,462.099 LINK
0.1147%
52
Binance
LINK-EUR$21.23
0.0062155 Eth
$339,301.00
16,069.940 LINK
0.1120%
53
BitMart
LINK-BTC$21.21
0.0062086 Eth
$319,638.00
15,070.900 LINK
0.1050%
54
Binance
LINK-TRY$21.34
0.0062406 Eth
$318,720.00
14,913.120 LINK
0.1039%
55
itBit
LINK-USD$21.26
0.0062190 Eth
$285,304.00
13,419.734 LINK
0.0935%
56
Coinone
LINK-KRW$21.31
0.0062375 Eth
$263,201.00
12,352.249 LINK
0.0861%
57
OKX
LINK-USDC$21.15
0.0061928 Eth
$237,085.00
11,120.937 LINK
0.0775%
58
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$21.23
0.0062120 Eth
$235,585.00
10,930.396 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0762%
59
Bitci TR
LINK-TRY$21.21
0.0062070 Eth
$220,204.00
10,303.821 LINK
0.0718%
60
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$21.21
0.0062041 Eth
$220,053.00
10,323.004 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0719%
61
BitDelta
LINK-USDT$21.29
0.0062285 Eth
$209,233.00
9,821.000 LINK
0.0684%
62
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$21.21
0.0062102 Eth
$199,024.00
199,708.444 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.3915%
63
Bitkub
LINK-THB$21.29
0.0062318 Eth
$195,152.00
9,167.136 LINK
0.0639%
64
Coinbase Exchange
LINK-ETH$21.17
0.0061983 Eth
$181,855.00
8,589.870 LINK
0.0599%
65
Coinbase Exchange
LINK-BTC$21.19
0.0062042 Eth
$162,076.00
7,647.210 LINK
0.0533%
66
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$21.33
0.0062415 Eth
$161,116.00
7,287.510 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0508%
67
BitStorage
LINK-ETH$21.17
0.0061958 Eth
$157,353.00
7,434.560 LINK
0.0518%
68
BitMart
LINK-ETH$21.20
0.0062069 Eth
$144,328.00
6,806.900 LINK
0.0474%
69
Hotcoin
LINK-BTC$21.23
0.0062087 Eth
$129,779.00
6,114.370 LINK
0.0426%
70
LATOKEN
LINK-BTC$21.21
0.0062100 Eth
$115,498.00
5,444.507 LINK
0.0379%
71
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$21.34
0.0062430 Eth
$105,539.00
4,935.472 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0344%
72
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$21.18
0.0062005 Eth
$94,185.00
4,384.296 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0305%
73
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$21.30
0.0062363 Eth
$87,008.00
4,046.406 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0282%
74
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$21.21
0.0062079 Eth
$83,712.00
3,909.858 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0272%
75
Bitso
LINK-USD$21.28
0.0062240 Eth
$65,769.00
3,090.886 LINK
0.0215%
76
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$21.21
0.0062079 Eth
$65,006.00
3,056.237 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0213%
77
Binance US
LINK-USDT$21.30
0.0062316 Eth
$55,726.00
2,615.867 LINK
0.0182%
78
Kraken
LINK-GBP$21.03
0.0061565 Eth
$54,041.00
2,569.604 LINK
0.0179%
79
CoinEx
LINK-BTC$21.25
0.0062103 Eth
$50,655.00
2,410.483 LINK
0.0168%
80
Hotcoin
LINK-ETH$21.24
0.0062163 Eth
$44,779.00
2,107.760 LINK
0.0147%
81
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$21.24
0.0062136 Eth
$37,595.00
2,074.951 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0145%
82
Mercado Bitcoin
LINK-BRL$21.20
0.0062059 Eth
$35,729.00
1,685.268 LINK
0.0117%
83
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$21.20
0.0062055 Eth
$25,224.00
25,412.157 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.1771%
84
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$21.21
0.0062057 Eth
$24,367.00
1,144.774 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0080%
85
Korbit
LINK-KRW$21.38
0.0062594 Eth
$23,764.00
1,101.900 LINK
0.0077%
86
CoinEx
LINK-USDC$21.24
0.0062170 Eth
$21,264.00
997.943 LINK
0.0070%
87
Bitexen
LINK-TRY$21.03
0.0061555 Eth
$18,616.57
885.105 LINK
0.0062%
88
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$21.33
0.0062436 Eth
$14,899.88
700.631 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0049%
89
Gemini
LINK-BTC$21.28
0.0062303 Eth
$14,509.07
681.716 LINK
0.0048%
90
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$21.27
0.0062224 Eth
$13,295.91
619.157 0X5947BB275C521040051D82396192181B413227A3
0.0043%
91
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$21.18
0.0061994 Eth
$12,603.05
591.267 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0041%
92
KuCoin
LINK-KCS$21.13
0.0061869 Eth
$11,739.32
555.448 LINK
0.0039%
93
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$21.17
0.0061971 Eth
$8,625.50
11.436 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0001%
94
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$21.36
0.0062485 Eth
$7,896.00
7,911.684 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.0551%
95
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$21.29
0.0062287 Eth
$7,779.44
365.819 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0025%
96
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$21.25
0.0062199 Eth
$7,704.96
357.627 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0025%
97
PancakeSwap V3 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$21.21
0.0062098 Eth
$3,251.22
147.768 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0010%
98
Ace
LINK-USDT$21.25
0.0062182 Eth
$2,653.57
124.610 LINK
0.0009%
99
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B$21.25
0.0062143 Eth
$1,729.06
80.783 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0006%
100
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0$21.37
0.0062505 Eth
$1,720.08
79.488 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0006%

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

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transferAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]

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

Deployed Bytecode

0x606060405236156100b75763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166306fdde0381146100bc578063095ea7b31461014757806318160ddd1461017d57806323b872dd146101a2578063313ce567146101de5780634000aea014610207578063661884631461028057806370a08231146102b657806395d89b41146102e7578063a9059cbb14610372578063d73dd623146103a8578063dd62ed3e146103de575b600080fd5b34156100c757600080fd5b6100cf610415565b60405160208082528190810183818151815260200191508051906020019080838360005b8381101561010c5780820151818401525b6020016100f3565b50505050905090810190601f1680156101395780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561015257600080fd5b610169600160a060020a036004351660243561044c565b604051901515815260200160405180910390f35b341561018857600080fd5b610190610499565b60405190815260200160405180910390f35b34156101ad57600080fd5b610169600160a060020a03600435811690602435166044356104a9565b604051901515815260200160405180910390f35b34156101e957600080fd5b6101f16104f8565b60405160ff909116815260200160405180910390f35b341561021257600080fd5b61016960048035600160a060020a03169060248035919060649060443590810190830135806020601f820181900481020160405190810160405281815292919060208401838380828437509496506104fd95505050505050565b604051901515815260200160405180910390f35b341561028b57600080fd5b610169600160a060020a036004351660243561054c565b604051901515815260200160405180910390f35b34156102c157600080fd5b610190600160a060020a0360043516610648565b60405190815260200160405180910390f35b34156102f257600080fd5b6100cf610667565b60405160208082528190810183818151815260200191508051906020019080838360005b8381101561010c5780820151818401525b6020016100f3565b50505050905090810190601f1680156101395780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561037d57600080fd5b610169600160a060020a036004351660243561069e565b604051901515815260200160405180910390f35b34156103b357600080fd5b610169600160a060020a03600435166024356106eb565b604051901515815260200160405180910390f35b34156103e957600080fd5b610190600160a060020a0360043581169060243516610790565b60405190815260200160405180910390f35b60408051908101604052600f81527f436861696e4c696e6b20546f6b656e0000000000000000000000000000000000602082015281565b600082600160a060020a03811615801590610479575030600160a060020a031681600160a060020a031614155b151561048457600080fd5b61048e84846107bd565b91505b5b5092915050565b6b033b2e3c9fd0803ce800000081565b600082600160a060020a038116158015906104d6575030600160a060020a031681600160a060020a031614155b15156104e157600080fd5b6104ec85858561082a565b91505b5b509392505050565b601281565b600083600160a060020a0381161580159061052a575030600160a060020a031681600160a060020a031614155b151561053557600080fd5b6104ec85858561093c565b91505b5b509392505050565b600160a060020a033381166000908152600260209081526040808320938616835292905290812054808311156105a957600160a060020a0333811660009081526002602090815260408083209388168352929052908120556105e0565b6105b9818463ffffffff610a2316565b600160a060020a033381166000908152600260209081526040808320938916835292905220555b600160a060020a0333811660008181526002602090815260408083209489168084529490915290819020547f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925915190815260200160405180910390a3600191505b5092915050565b600160a060020a0381166000908152600160205260409020545b919050565b60408051908101604052600481527f4c494e4b00000000000000000000000000000000000000000000000000000000602082015281565b600082600160a060020a038116158015906106cb575030600160a060020a031681600160a060020a031614155b15156106d657600080fd5b61048e8484610a3a565b91505b5b5092915050565b600160a060020a033381166000908152600260209081526040808320938616835292905290812054610723908363ffffffff610afa16565b600160a060020a0333811660008181526002602090815260408083209489168084529490915290819020849055919290917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591905190815260200160405180910390a35060015b92915050565b600160a060020a038083166000908152600260209081526040808320938516835292905220545b92915050565b600160a060020a03338116600081815260026020908152604080832094871680845294909152808220859055909291907f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9259085905190815260200160405180910390a35060015b92915050565b600160a060020a03808416600081815260026020908152604080832033909516835293815283822054928252600190529182205461086e908463ffffffff610a2316565b600160a060020a0380871660009081526001602052604080822093909355908616815220546108a3908463ffffffff610afa16565b600160a060020a0385166000908152600160205260409020556108cc818463ffffffff610a2316565b600160a060020a03808716600081815260026020908152604080832033861684529091529081902093909355908616917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9086905190815260200160405180910390a3600191505b509392505050565b60006109488484610a3a565b5083600160a060020a031633600160a060020a03167fe19260aff97b920c7df27010903aeb9c8d2be5d310a2c67824cf3f15396e4c16858560405182815260406020820181815290820183818151815260200191508051906020019080838360005b838110156109c35780820151818401525b6020016109aa565b50505050905090810190601f1680156109f05780820380516001836020036101000a031916815260200191505b50935050505060405180910390a3610a0784610b14565b15610a1757610a17848484610b23565b5b5060015b9392505050565b600082821115610a2f57fe5b508082035b92915050565b600160a060020a033316600090815260016020526040812054610a63908363ffffffff610a2316565b600160a060020a033381166000908152600160205260408082209390935590851681522054610a98908363ffffffff610afa16565b600160a060020a0380851660008181526001602052604090819020939093559133909116907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9085905190815260200160405180910390a35060015b92915050565b600082820183811015610b0957fe5b8091505b5092915050565b6000813b908111905b50919050565b82600160a060020a03811663a4c0ed363385856040518463ffffffff167c01000000000000000000000000000000000000000000000000000000000281526004018084600160a060020a0316600160a060020a0316815260200183815260200180602001828103825283818151815260200191508051906020019080838360005b83811015610bbd5780820151818401525b602001610ba4565b50505050905090810190601f168015610bea5780820380516001836020036101000a031916815260200191505b50945050505050600060405180830381600087803b1515610c0a57600080fd5b6102c65a03f11515610c1b57600080fd5b5050505b505050505600a165627a7a72305820c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d60029

Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.