ETH Price: $2,615.65 (-4.30%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

736,355 ( 0.018%)

Market

Price

$17.48 @ 0.006683 ETH (-8.82%)

Onchain Market Cap

$17,480,000,000.00

Circulating Supply Market Cap

$11,164,145,991.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
Balancer: Pool 431
Balance
52.236530737793930547 LINK

Value
$913.09 ( ~0.34908729105842 Eth) [0.0000%]
0x49ff149d649769033d43783e7456f626862cd160
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 15790.91% |ETH 0.0003846 1637.65%

Market

Volume (24H):$671,581,923.00
Market Capitalization:$11,164,145,991.00
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
Coinbase Exchange
LINK-USD$17.29
0.0065902 Eth
$28,945,206.00
1,673,907.380 LINK
10.2142%
2
Bybit
LINK-USDT$17.36
0.0066175 Eth
$28,332,003.00
1,536,055.875 LINK
9.3730%
3
HTX
LINK-USDT$17.31
0.0066000 Eth
$19,335,642.00
1,046,094.975 LINK
6.3833%
4
Kraken
LINK-USD$17.32
0.0066001 Eth
$12,815,539.00
740,021.205 LINK
4.5156%
5
MEXC
LINK-EUR$17.38
0.0066083 Eth
$11,430,063.00
657,487.570 LINK
4.0120%
6
MEXC
LINK-USDC$17.41
0.0066182 Eth
$10,798,567.00
620,232.770 LINK
3.7847%
7
Bitget
LINK-USDT$17.30
0.0065967 Eth
$10,783,880.00
587,231.766 LINK
3.5833%
8
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$17.56
0.0066846 Eth
$10,525,447.00
581,575.825 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.5488%
9
Gate.io
LINK-USDT$17.30
0.0065953 Eth
$9,080,897.00
496,598.880 LINK
3.0303%
10
DigiFinex
LINK-USDT$17.32
0.0066050 Eth
$9,058,782.00
523,048.050 LINK
3.1917%
11
OKX
LINK-USDT$17.33
0.0066057 Eth
$9,012,023.00
491,994.522 LINK
3.0022%
12
XT.COM
LINK-USDT$17.44
0.0066268 Eth
$7,664,693.00
418,254.930 LINK
2.5522%
13
WhiteBIT
LINK-USDT$17.37
0.0066185 Eth
$7,622,317.00
438,825.670 LINK
2.6777%
14
KuCoin
LINK-USDT$17.31
0.0065954 Eth
$7,120,074.00
411,430.806 LINK
2.5106%
15
Coinstore
LINK-USDT$17.48
0.0066314 Eth
$6,481,171.00
353,542.480 LINK
2.1573%
16
CoinW
LINK-USDT$17.38
0.0066194 Eth
$5,769,555.00
331,892.280 LINK
2.0252%
17
Binance
LINK-FDUSD$17.24
0.0065759 Eth
$5,726,073.00
315,377.680 LINK
1.9244%
18
BTSE
LINK-USDT$17.43
0.0066222 Eth
$4,640,825.00
266,267.661 LINK
1.6248%
19
Azbit
LINK-USDT$17.42
0.0066205 Eth
$4,605,755.00
251,391.904 LINK
1.5340%
20
Bitunix
LINK-USDT$17.36
0.0066060 Eth
$4,382,255.00
252,348.100 LINK
1.5398%
21
BYDFi
LINK-USDT$17.38
0.0066164 Eth
$4,085,998.00
235,152.970 LINK
1.4349%
22
Hotcoin
LINK-USDT$17.39
0.0066118 Eth
$3,885,053.00
223,361.210 LINK
1.3630%
23
LATOKEN
LINK-USDT$17.40
0.0066129 Eth
$3,648,090.00
209,617.100 LINK
1.2791%
24
Coinbase Exchange
LINK-GBP$17.29
0.0065931 Eth
$3,638,264.00
210,386.580 LINK
1.2838%
25
QMall
LINK-USDT$17.37
0.0066125 Eth
$3,185,914.00
173,946.464 LINK
1.0614%
26
FMCPAY
LINK-USDT$17.30
0.0065984 Eth
$3,119,391.00
169,750.841 LINK
1.0358%
27
Bitvavo
LINK-EUR$17.38
0.0066241 Eth
$2,542,037.00
146,224.739 LINK
0.8923%
28
Coinbase Exchange
LINK-EUR$17.30
0.0065961 Eth
$2,462,884.00
142,356.040 LINK
0.8687%
29
Dex-Trade
LINK-USDT$17.42
0.0066168 Eth
$2,351,546.00
135,029.420 LINK
0.8240%
30
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.50
0.0066605 Eth
$2,253,264.00
125,726.097 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.7672%
31
CoinEx
LINK-USDT$17.43
0.0066238 Eth
$2,162,518.00
119,090.054 LINK
0.7267%
32
Biconomy.com
LINK-USDT$17.36
0.0066056 Eth
$1,514,361.00
82,174.860 LINK
0.5014%
33
FMCPAY
LINK-BTC$17.32
0.0066005 Eth
$1,239,553.00
68,094.600 LINK
0.4155%
34
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.27
0.0065745 Eth
$1,238,348.00
68,217.438 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.4163%
35
PointPay
LINK-USDT$17.35
0.0066083 Eth
$1,227,808.00
67,034.207 LINK
0.4090%
36
FMCPAY
LINK-ETH$17.53
0.0066496 Eth
$1,205,342.00
66,704.960 LINK
0.4070%
37
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.45
0.0066382 Eth
$1,113,590.00
60,848.167 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3713%
38
Gemini
LINK-USD$17.30
0.0065976 Eth
$975,042.00
56,360.815 LINK
0.3439%
39
tanX
LINK-USDC$17.44
0.0066261 Eth
$822,564.00
44,687.140 LINK
0.2727%
40
Trubit
LINK-USDT$17.32
0.0066015 Eth
$784,980.00
42,558.290 LINK
0.2597%
41
EXMO
LINK-USDT$17.32
0.0066036 Eth
$776,885.00
44,853.268 LINK
0.2737%
42
Phemex
LINK-USDT$17.31
0.0066018 Eth
$764,248.00
44,148.320 LINK
0.2694%
43
WhiteBIT
LINK-BTC$17.36
0.0066148 Eth
$674,227.00
38,837.560 LINK
0.2370%
44
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$17.39
0.0066186 Eth
$621,247.00
33,770.028 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2061%
45
LATOKEN
LINK-BTC$17.37
0.0066114 Eth
$607,764.00
34,984.634 LINK
0.2135%
46
Bitbank
LINK-JPY$17.51
0.0066519 Eth
$604,247.00
34,513.916 LINK
0.2106%
47
BitStorage
LINK-USDT$17.31
0.0066007 Eth
$593,853.00
34,300.990 LINK
0.2093%
48
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$17.42
0.0066269 Eth
$587,836.00
33,620.224 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2052%
49
Binance
LINK-EUR$17.51
0.0066413 Eth
$576,593.00
31,696.030 LINK
0.1934%
50
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.43
0.0066314 Eth
$565,346.00
31,460.319 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1920%
51
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$17.43
0.0066314 Eth
$549,022.00
583,577.459 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
3.5610%
52
BigONE
LINK-USDT$17.35
0.0065913 Eth
$510,321.00
29,419.240 LINK
0.1795%
53
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$17.41
0.0066288 Eth
$442,695.00
48,756.482 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2975%
54
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$17.50
0.0066605 Eth
$427,463.00
442,201.320 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
2.6983%
55
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$17.50
0.0066605 Eth
$394,692.00
21,418.331 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1307%
56
QMall
LINK-USDC$17.36
0.0066087 Eth
$394,213.00
21,535.760 LINK
0.1314%
57
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.39
0.0066186 Eth
$368,106.00
20,524.052 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1252%
58
Binance
LINK-TRY$17.43
0.0066246 Eth
$362,161.00
19,799.600 LINK
0.1208%
59
itBit
LINK-USD$17.42
0.0066218 Eth
$360,760.00
20,709.535 LINK
0.1264%
60
OKX
LINK-USDC$17.33
0.0066032 Eth
$308,253.00
17,001.640 LINK
0.1037%
61
BitDelta
LINK-USDT$17.33
0.0066061 Eth
$295,686.00
16,078.000 LINK
0.0981%
62
Coinbase Exchange
LINK-USDT$17.30
0.0065946 Eth
$295,365.00
17,069.668 LINK
0.1042%
63
Binance US
LINK-USDT$17.41
0.0066014 Eth
$252,910.00
14,523.083 LINK
0.0886%
64
BitStorage
LINK-ETH$17.36
0.0066131 Eth
$235,044.00
13,542.670 LINK
0.0826%
65
BitMart
LINK-BTC$17.38
0.0066168 Eth
$233,814.00
13,455.420 LINK
0.0821%
66
GMO Japan
LINK-JPY$17.39
0.0066252 Eth
$231,026.00
13,286.900 LINK
0.0811%
67
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$17.41
0.0066305 Eth
$226,031.00
12,267.089 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0749%
68
Bitci TR
LINK-TRY$17.63
0.0067017 Eth
$190,263.00
10,244.010 LINK
0.0625%
69
WhiteBIT
LINK-EUR$17.51
0.0066268 Eth
$184,543.00
10,540.890 LINK
0.0643%
70
Slex
LINK-ETH$17.46
0.0066322 Eth
$177,288.00
9,931.850 LINK
0.0606%
71
bitcastle
LINK-USDT$17.29
0.0065942 Eth
$162,176.00
8,844.140 LINK
0.0540%
72
Gemini
LINK-BTC$17.64
0.0067266 Eth
$161,315.00
9,145.816 LINK
0.0558%
73
CoinTR
LINK-TRY$17.45
0.0066298 Eth
$159,101.00
8,629.460 LINK
0.0527%
74
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$17.46
0.0066260 Eth
$157,772.00
8,565.748 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0523%
75
Coinbase Exchange
LINK-BTC$17.39
0.0066196 Eth
$146,608.00
8,428.620 LINK
0.0514%
76
Hotcoin
LINK-BTC$17.33
0.0066066 Eth
$138,256.00
7,975.600 LINK
0.0487%
77
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$17.54
0.0066738 Eth
$131,003.00
7,200.445 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0439%
78
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$17.54
0.0066747 Eth
$130,433.00
7,287.485 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0445%
79
BYDFi
LINK-USDC$17.41
0.0066167 Eth
$128,195.00
7,361.790 LINK
0.0449%
80
Bitso
LINK-USD$17.41
0.0066180 Eth
$117,859.00
6,769.591 LINK
0.0413%
81
Bitkub
LINK-THB$17.64
0.0067018 Eth
$103,165.00
5,847.821 LINK
0.0357%
82
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$17.50
0.0066605 Eth
$91,406.00
96,826.974 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.5908%
83
KuCoin
LINK-USDC$17.32
0.0066004 Eth
$86,830.00
5,013.649 LINK
0.0306%
84
BTCMarkets
LINK-AUD$17.39
0.0066243 Eth
$76,389.00
4,393.937 LINK
0.0268%
85
Kanga
LINK-PLN$17.61
0.0067109 Eth
$67,100.00
0.000 LINK
0.0000%
86
Uniswap V4 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.35
0.0066146 Eth
$66,970.00
3,728.557 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0228%
87
BitMart
LINK-ETH$17.36
0.0066112 Eth
$66,562.00
3,833.720 LINK
0.0234%
88
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$17.47
0.0066473 Eth
$63,195.00
3,683.143 0X5947BB275C521040051D82396192181B413227A3
0.0225%
89
Bitstamp
LINK-GBP$17.37
0.0066239 Eth
$58,116.00
3,345.971 LINK
0.0204%
90
Binance US
LINK-BTC$17.43
0.0066271 Eth
$54,621.00
3,133.027 LINK
0.0191%
91
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$17.34
0.0066025 Eth
$53,604.00
2,994.207 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0183%
92
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$17.44
0.0066417 Eth
$43,066.00
2,330.184 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0142%
93
KuCoin
LINK-BTC$17.31
0.0065979 Eth
$42,445.00
2,451.743 LINK
0.0150%
94
CoinEx
LINK-BTC$17.50
0.0066515 Eth
$40,436.00
2,180.862 LINK
0.0133%
95
Hotcoin
LINK-ETH$17.51
0.0066312 Eth
$38,326.00
2,188.770 LINK
0.0134%
96
Mercado Bitcoin
LINK-BRL$17.54
0.0066863 Eth
$31,868.00
1,817.120 LINK
0.0111%
97
Dex-Trade
LINK-ETH$17.44
0.0066263 Eth
$29,697.00
1,702.550 LINK
0.0104%
98
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$17.42
0.0066270 Eth
$24,531.00
1,400.885 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0085%
99
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$17.43
0.0066215 Eth
$23,735.00
1,288.097 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0079%
100
zondacrypto
LINK-PLN$17.68
0.0067166 Eth
$11,848.13
670.127 LINK
0.0041%

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

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

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.