ETH Price: $2,493.05 (-2.27%)
Gas: 4.38 Gwei

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

722,194 ( 0.004%)

Market

Price

$11.76 @ 0.004717 ETH (+2.83%)

Onchain Market Cap

$11,760,000,000.00

Circulating Supply Market Cap

$7,373,903,015.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
35.151444773491769344 LINK

Value
$413.38 ( ~0.165813168238761 Eth) [0.0000%]
0xb1d4739d272c88f2b06caca3dd8b57a932a352bf
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 10590.91% |ETH 0.0003846 1126.47%

Market

Volume (24H):$385,788,948.00
Market Capitalization:$7,373,903,015.00
Circulating Supply:626,849,971.00 LINK
Market Data Source: Coinmarketcap

ICO Information

ICO Start Date : Sep 19, 2017   
Total Cap : $32,000,000
ICO Price  : $0.11 | 0.0003846 ETH
Country : USA

# Exchange Pair Price  24H Volume % Volume
1
Binance
LINK-USDT$11.77
0.0047119 Eth
$28,724,225.00
2,481,684.550 LINK
17.3277%
2
Coinbase Exchange
LINK-USD$11.75
0.0047184 Eth
$15,476,656.00
1,316,825.960 LINK
9.1944%
3
WhiteBIT
LINK-USDT$11.81
0.0047326 Eth
$13,568,609.00
1,149,128.490 LINK
8.0235%
4
HTX
LINK-USDT$11.74
0.0047137 Eth
$12,269,993.00
1,067,790.672 LINK
7.4556%
5
Bitget
LINK-USDT$11.74
0.0047131 Eth
$9,132,366.00
794,590.453 LINK
5.5480%
6
Bybit
LINK-USDT$11.75
0.0047147 Eth
$7,347,443.00
636,559.268 LINK
4.4446%
7
Upbit
LINK-KRW$11.76
0.0047195 Eth
$6,000,342.00
510,356.076 LINK
3.5634%
8
Azbit
LINK-USDT$11.79
0.0047171 Eth
$5,509,552.00
479,225.930 LINK
3.3461%
9
P2B
LINK-USDT$11.81
0.0047289 Eth
$5,345,513.00
452,566.010 LINK
3.1599%
10
OKX
LINK-USDT$11.74
0.0047115 Eth
$4,620,581.00
398,549.427 LINK
2.7828%
11
Slex
LINK-USDT$11.84
0.0047377 Eth
$4,467,996.00
387,526.710 LINK
2.7058%
12
BTSE
LINK-USDT$11.74
0.0047072 Eth
$4,045,805.00
344,694.518 LINK
2.4067%
13
Biconomy.com
LINK-USDT$11.75
0.0047104 Eth
$3,526,665.00
305,889.720 LINK
2.1358%
14
CoinW
LINK-USDT$11.74
0.0047091 Eth
$3,021,600.00
257,328.030 LINK
1.7967%
15
XT.COM
LINK-USDT$11.78
0.0047197 Eth
$2,860,862.00
247,129.910 LINK
1.7255%
16
Bitunix
LINK-USDT$11.78
0.0047154 Eth
$2,540,685.00
215,727.350 LINK
1.5063%
17
Hotcoin
LINK-USDT$11.75
0.0047180 Eth
$2,513,574.00
213,856.960 LINK
1.4932%
18
ProBit Global
LINK-USDT$11.76
0.0047129 Eth
$2,201,582.00
187,248.082 LINK
1.3074%
19
KuCoin
LINK-USDT$11.74
0.0047097 Eth
$2,141,288.00
182,333.387 LINK
1.2731%
20
Coinstore
LINK-USDT$11.74
0.0047135 Eth
$2,085,953.00
180,289.860 LINK
1.2588%
21
LBank
LINK-USDT$11.80
0.0047311 Eth
$1,890,268.00
160,160.540 LINK
1.1183%
22
C-Patex
LINK-USDT$11.76
0.0047129 Eth
$1,834,026.00
156,002.322 LINK
1.0892%
23
AscendEX (BitMax)
LINK-USDT$11.70
0.0046970 Eth
$1,756,835.00
150,142.700 LINK
1.0483%
24
Trubit
LINK-USDT$11.77
0.0047176 Eth
$1,734,218.00
151,064.810 LINK
1.0548%
25
Bithumb
LINK-KRW$11.74
0.0047126 Eth
$1,428,811.00
121,675.930 LINK
0.8496%
26
BYDFi
LINK-USDT$11.81
0.0047342 Eth
$1,413,838.00
119,689.090 LINK
0.8357%
27
Bitexen
LINK-TRY$11.79
0.0047200 Eth
$1,265,412.00
107,330.340 LINK
0.7494%
28
FameEX
LINK-USDT$11.75
0.0047111 Eth
$1,148,516.00
99,174.755 LINK
0.6925%
29
Bitvavo
LINK-EUR$11.78
0.0047211 Eth
$976,554.00
82,914.016 LINK
0.5789%
30
Dex-Trade
LINK-USDT$11.78
0.0047209 Eth
$960,868.00
81,567.454 LINK
0.5695%
31
HashKey Global
LINK-USDT$11.75
0.0047095 Eth
$948,388.00
83,349.479 LINK
0.5820%
32
WhiteBIT
LINK-BTC$11.76
0.0047139 Eth
$938,881.00
79,819.010 LINK
0.5573%
33
Azbit
LINK-ETH$11.75
0.0047144 Eth
$938,138.00
82,780.160 LINK
0.5780%
34
Bitexen
LINK-USDT$11.74
0.0047149 Eth
$773,861.00
65,893.230 LINK
0.4601%
35
tanX
LINK-USDC$11.83
0.0047336 Eth
$625,422.00
54,188.010 LINK
0.3784%
36
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.78
0.0047281 Eth
$608,522.00
53,492.011 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3735%
37
PointPay
LINK-USDT$11.74
0.0047103 Eth
$479,877.00
41,442.971 LINK
0.2894%
38
LATOKEN
LINK-USDT$11.76
0.0047116 Eth
$399,862.00
34,001.889 LINK
0.2374%
39
BigONE
LINK-USDT$11.81
0.0047227 Eth
$399,397.00
33,831.510 LINK
0.2362%
40
EXMO
LINK-USDT$11.73
0.0047104 Eth
$386,717.00
32,955.340 LINK
0.2301%
41
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.81
0.0047404 Eth
$385,190.00
33,901.475 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2367%
42
ProBit Global
LINK-BTC$11.76
0.0047153 Eth
$374,516.00
31,836.896 LINK
0.2223%
43
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.75
0.0047175 Eth
$368,388.00
32,595.557 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2276%
44
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.82
0.0047445 Eth
$363,325.00
31,461.937 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2197%
45
Coinbase Exchange
LINK-EUR$11.77
0.0047217 Eth
$338,761.00
28,773.020 LINK
0.2009%
46
Phemex
LINK-USDT$11.76
0.0047076 Eth
$316,885.00
26,944.080 LINK
0.1881%
47
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.71
0.0047005 Eth
$302,604.00
26,519.221 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1852%
48
CoinEx
LINK-USDT$11.80
0.0047243 Eth
$300,187.00
26,017.711 LINK
0.1817%
49
LATOKEN
LINK-BTC$11.77
0.0047162 Eth
$297,160.00
25,244.366 LINK
0.1763%
50
Bybit
LINK-USDC$11.77
0.0047244 Eth
$296,746.00
25,592.157 LINK
0.1787%
51
Bitbank
LINK-JPY$11.84
0.0047456 Eth
$255,628.00
21,593.823 LINK
0.1508%
52
Coinbase Exchange
LINK-GBP$11.76
0.0047123 Eth
$246,912.00
21,002.850 LINK
0.1466%
53
Hotcoin
LINK-BTC$11.76
0.0047212 Eth
$213,672.00
18,166.940 LINK
0.1268%
54
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$11.82
0.0047436 Eth
$205,970.00
17,939.006 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1253%
55
Gemini
LINK-USD$11.79
0.0047335 Eth
$199,662.00
16,927.735 LINK
0.1182%
56
BitMart
LINK-BTC$11.76
0.0047201 Eth
$190,661.00
16,210.600 LINK
0.1132%
57
Hotcoin
LINK-ETH$11.75
0.0047183 Eth
$143,799.00
12,233.840 LINK
0.0854%
58
BitDelta
LINK-USDT$11.76
0.0047134 Eth
$132,072.00
11,474.000 LINK
0.0801%
59
WhiteBIT
LINK-TRY$11.79
0.0047229 Eth
$117,624.00
9,980.740 LINK
0.0697%
60
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$11.77
0.0047235 Eth
$116,334.00
10,071.282 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0703%
61
BYDFi
LINK-USDC$11.77
0.0047222 Eth
$114,177.00
9,696.710 LINK
0.0677%
62
Coinbase Exchange
LINK-ETH$11.75
0.0047165 Eth
$111,321.00
9,472.020 LINK
0.0661%
63
Slex
LINK-BTC$11.75
0.0047160 Eth
$109,566.00
9,420.400 LINK
0.0658%
64
Bitci TR
LINK-TRY$11.87
0.0047526 Eth
$88,090.00
7,633.730 LINK
0.0533%
65
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.82
0.0047445 Eth
$80,752.00
79,183.190 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.5529%
66
Slex
LINK-ETH$11.78
0.0047200 Eth
$73,814.00
6,455.000 LINK
0.0451%
67
BitMart
LINK-ETH$11.76
0.0047180 Eth
$73,719.00
6,270.720 LINK
0.0438%
68
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$11.77
0.0047236 Eth
$70,875.00
6,200.612 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0433%
69
PointPay
LINK-BTC$11.75
0.0047101 Eth
$69,812.00
6,003.143 LINK
0.0419%
70
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.79
0.0047253 Eth
$64,097.00
62,834.470 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.4387%
71
OKX
LINK-USDC$11.80
0.0047388 Eth
$53,305.00
4,574.588 LINK
0.0319%
72
Bitso
LINK-USD$11.80
0.0047250 Eth
$51,319.00
4,350.343 LINK
0.0304%
73
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$11.74
0.0047144 Eth
$40,128.00
3,458.524 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0241%
74
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.82
0.0047445 Eth
$37,524.00
3,267.393 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0228%
75
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$11.76
0.0047192 Eth
$37,372.00
3,249.436 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0227%
76
Bitcointry
LINK-USDT$11.77
0.0047194 Eth
$29,683.00
2,584.896 LINK
0.0180%
77
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$11.78
0.0047281 Eth
$29,010.00
2,491.439 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0174%
78
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$11.79
0.0047322 Eth
$27,311.00
2,397.109 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0167%
79
Binance US
LINK-USDT$11.77
0.0047178 Eth
$27,104.00
2,303.069 LINK
0.0161%
80
EXMO
LINK-BTC$11.74
0.0047131 Eth
$26,794.00
2,282.031 LINK
0.0159%
81
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.82
0.0047376 Eth
$24,539.00
23,997.828 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.1676%
82
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$11.73
0.0047083 Eth
$22,678.00
1,945.685 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0136%
83
Nonkyc.io
LINK-BTC$11.82
0.0047338 Eth
$19,831.47
1,714.847 LINK
0.0120%
84
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$11.82
0.0047438 Eth
$17,454.88
26.692 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0002%
85
Coinone
LINK-KRW$11.81
0.0047415 Eth
$14,433.15
1,221.616 LINK
0.0085%
86
KuCoin
LINK-KCS$11.74
0.0047109 Eth
$13,453.42
1,145.751 LINK
0.0080%
87
PancakeSwap V1 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$11.82
0.0047439 Eth
$12,750.23
979.022 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0068%
88
Uniswap V3 (Ethereum)
0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA$11.83
0.0047398 Eth
$9,440.47
62.790 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9
0.0004%
89
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.76
0.0047192 Eth
$9,128.62
803.398 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0056%
90
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$11.74
0.0047133 Eth
$7,454.56
640.623 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0045%
91
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$11.83
0.0047338 Eth
$7,207.97
627.862 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0044%
92
LFJ
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$11.79
0.0047317 Eth
$6,894.71
595.420 0X5947BB275C521040051D82396192181B413227A3
0.0042%
93
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.78
0.0047281 Eth
$6,631.69
6,530.791 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.0456%
94
Gemini
LINK-BTC$11.79
0.0047296 Eth
$5,954.46
505.253 LINK
0.0035%
95
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$11.81
0.0047400 Eth
$5,811.34
504.444 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0035%
96
CoinEx
LINK-BTC$11.74
0.0047145 Eth
$5,716.06
492.872 LINK
0.0034%
97
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$11.81
0.0047358 Eth
$3,778.00
329.495 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0023%
98
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$11.81
0.0047401 Eth
$2,400.90
207.521 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0014%
99
CoinEx
LINK-USDC$11.81
0.0047224 Eth
$2,222.81
193.065 LINK
0.0013%
100
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991$11.77
0.0047240 Eth
$1,888.68
163.278 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0011%

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.