ETH Price: $3,221.58 (-3.70%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

725,408 (0.00%)

Market

Price

$19.75 @ 0.006131 ETH (-4.38%)

Onchain Market Cap

$19,750,000,000.00

Circulating Supply Market Cap

$12,426,618,346.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
7.454416336759371788 LINK

Value
$147.22 ( ~0.0456980517149415 Eth) [0.0000%]
0xa62a2bfc543f57f0a1ce34f6788f7829acb42227
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 17854.55% |ETH 0.0003846 1494.12%

Market

Volume (24H):$892,436,861.00
Market Capitalization:$12,426,618,346.00
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$19.71
0.0061070 Eth
$107,764,242.00
5,430,401.320 LINK
20.8962%
2
Coinbase Exchange
LINK-USD$19.73
0.0061124 Eth
$42,873,818.00
2,173,467.390 LINK
8.3635%
3
Bitget
LINK-USDT$19.69
0.0061058 Eth
$23,367,699.00
1,176,350.559 LINK
4.5266%
4
MEXC
LINK-USDT$19.71
0.0061235 Eth
$22,213,610.00
1,126,879.830 LINK
4.3362%
5
P2B
LINK-USDT$19.74
0.0061161 Eth
$21,427,896.00
1,085,590.540 LINK
4.1773%
6
Slex
LINK-USDT$19.77
0.0061277 Eth
$19,876,559.00
997,145.090 LINK
3.8370%
7
Bybit
LINK-USDT$19.71
0.0061131 Eth
$18,471,723.00
930,357.197 LINK
3.5800%
8
Gate.io
LINK-USDT$19.69
0.0061053 Eth
$14,459,671.00
730,552.960 LINK
2.8112%
9
DigiFinex
LINK-USDT$19.69
0.0061073 Eth
$13,077,624.00
664,057.140 LINK
2.5553%
10
OKX
LINK-USDT$19.68
0.0061036 Eth
$12,829,495.00
646,996.310 LINK
2.4896%
11
HTX
LINK-USDT$19.69
0.0061061 Eth
$11,945,029.00
600,273.960 LINK
2.3099%
12
FameEX
LINK-USDT$19.78
0.0061299 Eth
$10,874,213.00
547,450.843 LINK
2.1066%
13
XT.COM
LINK-USDT$19.73
0.0061236 Eth
$10,810,341.00
544,608.390 LINK
2.0957%
14
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$19.79
0.0061363 Eth
$10,612,513.00
543,188.088 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.0902%
15
Azbit
LINK-USDT$19.70
0.0061190 Eth
$10,406,857.00
523,866.062 LINK
2.0158%
16
Coinstore
LINK-USDT$19.79
0.0061364 Eth
$9,350,527.00
471,225.290 LINK
1.8133%
17
Biconomy.com
LINK-USDT$19.70
0.0061081 Eth
$8,501,815.00
423,660.810 LINK
1.6302%
18
CoinW
LINK-USDT$19.73
0.0061214 Eth
$8,307,802.00
421,043.710 LINK
1.6202%
19
Bitunix
LINK-USDT$19.76
0.0061262 Eth
$8,037,833.00
406,827.512 LINK
1.5655%
20
Binance
LINK-FDUSD$19.74
0.0061308 Eth
$7,248,986.00
364,354.140 LINK
1.4020%
21
Hotcoin
LINK-USDT$19.73
0.0061130 Eth
$7,040,255.00
356,857.640 LINK
1.3732%
22
KuCoin
LINK-USDT$19.69
0.0061052 Eth
$6,456,749.00
328,001.254 LINK
1.2621%
23
Binance
LINK-USDC$19.70
0.0061082 Eth
$6,106,111.00
308,808.510 LINK
1.1883%
24
BYDFi
LINK-USDT$19.72
0.0061140 Eth
$5,968,311.00
302,678.660 LINK
1.1647%
25
LATOKEN
LINK-USDT$19.72
0.0061222 Eth
$5,404,969.00
274,047.096 LINK
1.0545%
26
LBank
LINK-USDT$19.71
0.0061124 Eth
$5,264,162.00
267,100.610 LINK
1.0278%
27
QMall
LINK-USDT$19.71
0.0061109 Eth
$4,347,674.00
219,129.243 LINK
0.8432%
28
BTSE
LINK-USDT$19.71
0.0061068 Eth
$4,033,119.00
204,655.722 LINK
0.7875%
29
Kraken
LINK-USD$19.70
0.0061089 Eth
$3,803,995.00
193,110.888 LINK
0.7431%
30
Dex-Trade
LINK-USDT$19.73
0.0061135 Eth
$3,453,447.00
175,050.680 LINK
0.6736%
31
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.79
0.0061336 Eth
$2,838,470.00
142,671.234 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.5490%
32
FMCPAY
LINK-USDT$19.79
0.0061324 Eth
$2,716,387.00
136,750.917 LINK
0.5262%
33
ProBit Global
LINK-USDT$19.69
0.0061151 Eth
$2,375,659.00
120,679.704 LINK
0.4644%
34
Dcoin
LINK-USDT$19.75
0.0061254 Eth
$2,300,323.00
116,481.000 LINK
0.4482%
35
Bitvavo
LINK-EUR$19.78
0.0061336 Eth
$2,263,301.00
114,429.669 LINK
0.4403%
36
EXMO
LINK-USDT$19.70
0.0061099 Eth
$2,036,130.00
103,346.125 LINK
0.3977%
37
CoinEx
LINK-USDT$19.71
0.0061129 Eth
$1,882,815.00
94,964.891 LINK
0.3654%
38
PointPay
LINK-USDT$19.71
0.0061109 Eth
$1,558,468.00
78,504.274 LINK
0.3021%
39
Coinbase Exchange
LINK-EUR$19.72
0.0061145 Eth
$1,443,614.00
73,216.590 LINK
0.2817%
40
BigONE
LINK-USDT$19.69
0.0061056 Eth
$1,408,509.00
71,542.280 LINK
0.2753%
41
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.80
0.0061344 Eth
$1,351,788.00
69,050.029 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2657%
42
Phemex
LINK-USDT$19.74
0.0061216 Eth
$1,257,420.00
63,698.030 LINK
0.2451%
43
Kraken
LINK-EUR$19.71
0.0061134 Eth
$1,244,543.00
63,132.525 LINK
0.2429%
44
FMCPAY
LINK-ETH$19.78
0.0061284 Eth
$1,171,138.00
59,787.520 LINK
0.2301%
45
FMCPAY
LINK-BTC$19.77
0.0061276 Eth
$1,166,250.00
58,920.900 LINK
0.2267%
46
tanX
LINK-USDC$19.72
0.0061117 Eth
$955,119.00
48,042.470 LINK
0.1849%
47
BitStorage
LINK-USDT$19.72
0.0061104 Eth
$868,860.00
44,063.730 LINK
0.1696%
48
Coinbase Exchange
LINK-ETH$19.75
0.0061235 Eth
$797,184.00
40,356.730 LINK
0.1553%
49
Coinbase Exchange
LINK-GBP$19.73
0.0061197 Eth
$783,236.00
39,690.070 LINK
0.1527%
50
Gemini
LINK-USD$19.73
0.0061189 Eth
$777,630.00
39,412.280 LINK
0.1517%
51
Coinbase Exchange
LINK-BTC$19.73
0.0061127 Eth
$727,262.00
36,865.640 LINK
0.1419%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$19.72
0.0061168 Eth
$665,009.00
33,929.950 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1306%
53
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$19.70
0.0061031 Eth
$662,025.00
33,284.580 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1281%
54
ProBit Global
LINK-BTC$19.73
0.0061207 Eth
$655,647.00
33,239.153 LINK
0.1279%
55
Bitbank
LINK-JPY$19.84
0.0061516 Eth
$628,144.00
31,666.040 LINK
0.1219%
56
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.78
0.0061350 Eth
$598,562.00
601,126.143 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.3131%
57
EarnBIT
LINK-USDT$19.78
0.0061302 Eth
$594,017.00
29,947.559 LINK
0.1152%
58
itBit
LINK-USD$19.74
0.0061192 Eth
$576,623.00
29,210.873 LINK
0.1124%
59
GMO Japan
LINK-JPY$19.75
0.0061277 Eth
$574,988.00
29,116.700 LINK
0.1120%
60
Bybit
LINK-USDC$19.73
0.0061187 Eth
$572,444.00
28,948.871 LINK
0.1114%
61
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.69
0.0061048 Eth
$550,956.00
555,877.421 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.1390%
62
Koinpark
LINK-USDT$19.75
0.0061215 Eth
$550,909.00
27,897.902 LINK
0.1074%
63
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.69
0.0061048 Eth
$526,613.00
27,095.090 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1043%
64
Bitbegin
LINK-USDT$19.71
0.0061075 Eth
$512,155.00
25,753.535 LINK
0.0991%
65
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.80
0.0061388 Eth
$486,845.00
24,873.195 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0957%
66
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.74
0.0061177 Eth
$453,732.00
23,086.970 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0888%
67
OKX
LINK-USDC$19.68
0.0061021 Eth
$435,881.00
22,039.543 LINK
0.0848%
68
Coinbase Exchange
LINK-USDT$19.75
0.0061193 Eth
$390,392.00
19,768.199 LINK
0.0761%
69
Binance
LINK-TRY$19.71
0.0061223 Eth
$374,209.00
18,886.790 LINK
0.0727%
70
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.79
0.0061332 Eth
$301,460.00
15,419.514 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0593%
71
BitDelta
LINK-USDT$19.71
0.0061157 Eth
$287,317.00
14,473.000 LINK
0.0557%
72
Hotcoin
LINK-BTC$19.74
0.0061198 Eth
$271,975.00
13,776.680 LINK
0.0530%
73
BitMart
LINK-BTC$19.73
0.0061159 Eth
$270,507.00
13,711.100 LINK
0.0528%
74
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$19.75
0.0061239 Eth
$235,742.00
18,408.941 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.0708%
75
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.73
0.0061171 Eth
$217,927.00
11,142.233 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0429%
76
Bitci TR
LINK-TRY$19.86
0.0061529 Eth
$198,260.00
9,937.980 LINK
0.0382%
77
LATOKEN
LINK-BTC$19.70
0.0061204 Eth
$196,888.00
9,992.967 LINK
0.0385%
78
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$19.59
0.0060736 Eth
$185,413.00
9,520.711 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0366%
79
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.68
0.0061039 Eth
$172,631.00
8,697.258 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0335%
80
Bitkub
LINK-THB$19.82
0.0061422 Eth
$164,192.00
8,283.026 LINK
0.0319%
81
Slex
LINK-ETH$19.73
0.0061133 Eth
$158,313.00
8,104.370 LINK
0.0312%
82
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$19.70
0.0061037 Eth
$156,865.00
7,991.471 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0308%
83
PointPay
LINK-BTC$19.81
0.0061425 Eth
$154,482.00
7,810.427 LINK
0.0301%
84
BitStorage
LINK-ETH$19.77
0.0061274 Eth
$140,981.00
7,129.570 LINK
0.0274%
85
Binance US
LINK-USDT$19.81
0.0061378 Eth
$134,170.00
6,773.937 LINK
0.0261%
86
Binance
LINK-BRL$19.91
0.0061754 Eth
$125,053.00
6,249.680 LINK
0.0240%
87
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$19.79
0.0061386 Eth
$118,264.00
119,045.951 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.4581%
88
BTCMarkets
LINK-AUD$19.83
0.0061460 Eth
$114,027.00
5,749.946 LINK
0.0221%
89
KuCoin
LINK-USDC$19.69
0.0061068 Eth
$113,498.00
5,764.145 LINK
0.0222%
90
BitMart
LINK-ETH$19.72
0.0061121 Eth
$101,263.00
5,135.940 LINK
0.0198%
91
Hotcoin
LINK-ETH$19.72
0.0061124 Eth
$94,424.00
4,788.780 LINK
0.0184%
92
Bitso
LINK-USD$19.73
0.0061169 Eth
$85,610.00
4,338.495 LINK
0.0167%
93
CoinEx
LINK-USDC$19.78
0.0061415 Eth
$58,746.00
2,949.220 LINK
0.0113%
94
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.66
0.0060960 Eth
$53,486.00
2,721.875 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0105%
95
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$19.73
0.0061201 Eth
$42,199.00
2,167.391 0X5947BB275C521040051D82396192181B413227A3
0.0083%
96
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$19.69
0.0061048 Eth
$41,895.00
2,146.766 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0083%
97
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$19.73
0.0061180 Eth
$39,966.00
2,148.939 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0083%
98
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$19.79
0.0061378 Eth
$38,307.00
1,935.218 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0074%
99
HTX
LINK-BTC$19.74
0.0061225 Eth
$22,188.00
1,124.526 LINK
0.0043%
100
Dex-Trade
LINK-ETH$19.78
0.0061298 Eth
$20,055.00
1,013.860 LINK
0.0039%

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"}]

6060604052341561000f57600080fd5b5b600160a060020a03331660009081526001602052604090206b033b2e3c9fd0803ce800000090555b5b610c51806100486000396000f300606060405236156100b75763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166306fdde0381146100bc578063095ea7b31461014757806318160ddd1461017d57806323b872dd146101a2578063313ce567146101de5780634000aea014610207578063661884631461028057806370a08231146102b657806395d89b41146102e7578063a9059cbb14610372578063d73dd623146103a8578063dd62ed3e146103de575b600080fd5b34156100c757600080fd5b6100cf610415565b60405160208082528190810183818151815260200191508051906020019080838360005b8381101561010c5780820151818401525b6020016100f3565b50505050905090810190601f1680156101395780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561015257600080fd5b610169600160a060020a036004351660243561044c565b604051901515815260200160405180910390f35b341561018857600080fd5b610190610499565b60405190815260200160405180910390f35b34156101ad57600080fd5b610169600160a060020a03600435811690602435166044356104a9565b604051901515815260200160405180910390f35b34156101e957600080fd5b6101f16104f8565b60405160ff909116815260200160405180910390f35b341561021257600080fd5b61016960048035600160a060020a03169060248035919060649060443590810190830135806020601f820181900481020160405190810160405281815292919060208401838380828437509496506104fd95505050505050565b604051901515815260200160405180910390f35b341561028b57600080fd5b610169600160a060020a036004351660243561054c565b604051901515815260200160405180910390f35b34156102c157600080fd5b610190600160a060020a0360043516610648565b60405190815260200160405180910390f35b34156102f257600080fd5b6100cf610667565b60405160208082528190810183818151815260200191508051906020019080838360005b8381101561010c5780820151818401525b6020016100f3565b50505050905090810190601f1680156101395780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561037d57600080fd5b610169600160a060020a036004351660243561069e565b604051901515815260200160405180910390f35b34156103b357600080fd5b610169600160a060020a03600435166024356106eb565b604051901515815260200160405180910390f35b34156103e957600080fd5b610190600160a060020a0360043581169060243516610790565b60405190815260200160405180910390f35b60408051908101604052600f81527f436861696e4c696e6b20546f6b656e0000000000000000000000000000000000602082015281565b600082600160a060020a03811615801590610479575030600160a060020a031681600160a060020a031614155b151561048457600080fd5b61048e84846107bd565b91505b5b5092915050565b6b033b2e3c9fd0803ce800000081565b600082600160a060020a038116158015906104d6575030600160a060020a031681600160a060020a031614155b15156104e157600080fd5b6104ec85858561082a565b91505b5b509392505050565b601281565b600083600160a060020a0381161580159061052a575030600160a060020a031681600160a060020a031614155b151561053557600080fd5b6104ec85858561093c565b91505b5b509392505050565b600160a060020a033381166000908152600260209081526040808320938616835292905290812054808311156105a957600160a060020a0333811660009081526002602090815260408083209388168352929052908120556105e0565b6105b9818463ffffffff610a2316565b600160a060020a033381166000908152600260209081526040808320938916835292905220555b600160a060020a0333811660008181526002602090815260408083209489168084529490915290819020547f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925915190815260200160405180910390a3600191505b5092915050565b600160a060020a0381166000908152600160205260409020545b919050565b60408051908101604052600481527f4c494e4b00000000000000000000000000000000000000000000000000000000602082015281565b600082600160a060020a038116158015906106cb575030600160a060020a031681600160a060020a031614155b15156106d657600080fd5b61048e8484610a3a565b91505b5b5092915050565b600160a060020a033381166000908152600260209081526040808320938616835292905290812054610723908363ffffffff610afa16565b600160a060020a0333811660008181526002602090815260408083209489168084529490915290819020849055919290917f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92591905190815260200160405180910390a35060015b92915050565b600160a060020a038083166000908152600260209081526040808320938516835292905220545b92915050565b600160a060020a03338116600081815260026020908152604080832094871680845294909152808220859055909291907f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b9259085905190815260200160405180910390a35060015b92915050565b600160a060020a03808416600081815260026020908152604080832033909516835293815283822054928252600190529182205461086e908463ffffffff610a2316565b600160a060020a0380871660009081526001602052604080822093909355908616815220546108a3908463ffffffff610afa16565b600160a060020a0385166000908152600160205260409020556108cc818463ffffffff610a2316565b600160a060020a03808716600081815260026020908152604080832033861684529091529081902093909355908616917fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9086905190815260200160405180910390a3600191505b509392505050565b60006109488484610a3a565b5083600160a060020a031633600160a060020a03167fe19260aff97b920c7df27010903aeb9c8d2be5d310a2c67824cf3f15396e4c16858560405182815260406020820181815290820183818151815260200191508051906020019080838360005b838110156109c35780820151818401525b6020016109aa565b50505050905090810190601f1680156109f05780820380516001836020036101000a031916815260200191505b50935050505060405180910390a3610a0784610b14565b15610a1757610a17848484610b23565b5b5060015b9392505050565b600082821115610a2f57fe5b508082035b92915050565b600160a060020a033316600090815260016020526040812054610a63908363ffffffff610a2316565b600160a060020a033381166000908152600160205260408082209390935590851681522054610a98908363ffffffff610afa16565b600160a060020a0380851660008181526001602052604090819020939093559133909116907fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef9085905190815260200160405180910390a35060015b92915050565b600082820183811015610b0957fe5b8091505b5092915050565b6000813b908111905b50919050565b82600160a060020a03811663a4c0ed363385856040518463ffffffff167c01000000000000000000000000000000000000000000000000000000000281526004018084600160a060020a0316600160a060020a0316815260200183815260200180602001828103825283818151815260200191508051906020019080838360005b83811015610bbd5780820151818401525b602001610ba4565b50505050905090810190601f168015610bea5780820380516001836020036101000a031916815260200191505b50945050505050600060405180830381600087803b1515610c0a57600080fd5b6102c65a03f11515610c1b57600080fd5b5050505b505050505600a165627a7a72305820c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d60029

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.