ETH Price: $3,225.80 (+2.96%)
Gas: 3.51 Gwei

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

726,239 ( 0.057%)

Market

Price

$20.35 @ 0.006309 ETH (+5.38%)

Onchain Market Cap

$20,350,000,000.00

Circulating Supply Market Cap

$12,810,166,833.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
Binance Dep: 0x76f70Cf5081a910B30f524D9752f8C9771DFC1f2
Balance
0 LINK

Value
$0.00
0x76f70cf5081a910b30f524d9752f8c9771dfc1f2
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 18400% |ETH 0.0003846 1540.41%

Market

Volume (24H):$622,045,277.00
Market Capitalization:$12,810,166,833.00
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$20.33
0.0063062 Eth
$84,131,612.00
4,215,644.970 LINK
24.4259%
2
Coinbase Exchange
LINK-USD$20.37
0.0063106 Eth
$28,401,688.00
1,394,426.950 LINK
8.0795%
3
Slex
LINK-USDT$20.39
0.0063155 Eth
$19,749,088.00
991,226.640 LINK
5.7433%
4
Bitget
LINK-USDT$20.38
0.0063139 Eth
$14,748,923.00
738,428.739 LINK
4.2785%
5
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$20.31
0.0062972 Eth
$13,024,536.00
647,174.167 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.7498%
6
Bybit
LINK-USDT$20.38
0.0063129 Eth
$12,236,938.00
612,214.556 LINK
3.5472%
7
Gate.io
LINK-USDT$20.35
0.0063052 Eth
$11,030,032.00
551,647.878 LINK
3.1963%
8
DigiFinex
LINK-USDT$20.37
0.0063107 Eth
$10,623,905.00
521,540.930 LINK
3.0219%
9
HTX
LINK-USDT$20.37
0.0063101 Eth
$10,257,082.00
516,200.978 LINK
2.9909%
10
OKX
LINK-USDT$20.39
0.0063155 Eth
$9,846,177.00
495,211.071 LINK
2.8693%
11
MEXC
LINK-USDT$20.37
0.0063108 Eth
$8,850,624.00
434,479.770 LINK
2.5174%
12
XT.COM
LINK-USDT$20.35
0.0063050 Eth
$8,397,188.00
420,655.180 LINK
2.4373%
13
Azbit
LINK-USDT$20.30
0.0062957 Eth
$7,859,737.00
394,107.224 LINK
2.2835%
14
Coinstore
LINK-USDT$20.33
0.0062979 Eth
$7,576,485.00
379,731.980 LINK
2.2002%
15
CoinW
LINK-USDT$20.39
0.0063147 Eth
$7,109,979.00
348,626.270 LINK
2.0200%
16
Hotcoin
LINK-USDT$20.28
0.0062938 Eth
$6,534,498.00
322,169.190 LINK
1.8667%
17
Bitunix
LINK-USDT$20.39
0.0063125 Eth
$6,470,186.00
317,440.210 LINK
1.8393%
18
Binance
LINK-FDUSD$20.34
0.0063082 Eth
$6,274,808.00
315,151.760 LINK
1.8260%
19
BYDFi
LINK-USDT$20.38
0.0063139 Eth
$4,808,338.00
235,926.920 LINK
1.3670%
20
LBank
LINK-USDT$20.29
0.0062932 Eth
$4,237,888.00
208,815.000 LINK
1.2099%
21
LATOKEN
LINK-USDT$20.35
0.0063031 Eth
$4,057,296.00
199,371.921 LINK
1.1552%
22
QMall
LINK-USDT$20.36
0.0063089 Eth
$3,416,954.00
171,040.205 LINK
0.9910%
23
KuCoin
LINK-USDT$20.36
0.0063070 Eth
$3,119,699.00
153,253.974 LINK
0.8880%
24
BTSE
LINK-USDT$20.38
0.0063158 Eth
$2,985,352.00
146,503.081 LINK
0.8489%
25
Kraken
LINK-USD$20.36
0.0063091 Eth
$2,932,185.00
143,993.550 LINK
0.8343%
26
Dex-Trade
LINK-USDT$20.34
0.0063027 Eth
$2,665,947.00
131,053.040 LINK
0.7593%
27
FMCPAY
LINK-USDT$20.37
0.0063082 Eth
$2,330,197.00
116,716.404 LINK
0.6763%
28
Curve (Ethereum)
0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5-0X514910771AF9CA656AF840DFF83E8264ECF986CA$20.35
0.0063020 Eth
$2,056,489.00
102,134.857 0XB8B295DF2CD735B15BE5EB419517AA626FC43CD5
0.5918%
29
Bitvavo
LINK-EUR$20.38
0.0063163 Eth
$1,765,410.00
86,613.921 LINK
0.5019%
30
Biconomy.com
LINK-USDT$20.36
0.0063095 Eth
$1,723,255.00
86,478.110 LINK
0.5011%
31
Coinbase Exchange
LINK-EUR$20.38
0.0063140 Eth
$1,605,408.00
78,777.090 LINK
0.4564%
32
Coinbase Exchange
LINK-GBP$20.37
0.0063118 Eth
$1,445,434.00
70,952.170 LINK
0.4111%
33
PointPay
LINK-USDT$20.37
0.0063108 Eth
$1,384,488.00
69,278.946 LINK
0.4014%
34
CoinEx
LINK-USDT$20.31
0.0062997 Eth
$1,354,771.00
67,828.817 LINK
0.3930%
35
FMCPAY
LINK-ETH$20.36
0.0063084 Eth
$1,152,874.00
57,321.760 LINK
0.3321%
36
FMCPAY
LINK-BTC$20.36
0.0063089 Eth
$1,132,778.00
56,276.400 LINK
0.3261%
37
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$20.29
0.0062865 Eth
$1,075,157.00
52,966.220 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3069%
38
tanX
LINK-USDC$20.40
0.0063195 Eth
$958,968.00
48,231.030 LINK
0.2795%
39
EXMO
LINK-USDT$20.38
0.0063131 Eth
$946,097.00
46,431.718 LINK
0.2690%
40
Phemex
LINK-USDT$20.37
0.0063138 Eth
$918,086.00
45,059.760 LINK
0.2611%
41
BigONE
LINK-USDT$20.30
0.0063002 Eth
$847,974.00
41,772.740 LINK
0.2420%
42
Trubit
LINK-USDT$20.38
0.0063103 Eth
$762,439.00
38,207.540 LINK
0.2214%
43
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$20.29
0.0062809 Eth
$758,095.00
37,708.304 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2185%
44
BitStorage
LINK-USDT$20.33
0.0062980 Eth
$684,506.00
33,663.450 LINK
0.1950%
45
Gemini
LINK-USD$20.36
0.0063069 Eth
$500,226.00
24,574.392 LINK
0.1424%
46
EarnBIT
LINK-USDT$20.39
0.0063135 Eth
$462,741.00
23,226.985 LINK
0.1346%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.30
0.0062875 Eth
$429,878.00
21,402.177 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1240%
48
Bitbegin
LINK-USDT$20.32
0.0062983 Eth
$424,110.00
21,282.186 LINK
0.1233%
49
Bitbank
LINK-JPY$20.43
0.0063297 Eth
$406,387.00
19,891.879 LINK
0.1153%
50
Coinbase Exchange
LINK-USDT$20.41
0.0063206 Eth
$391,469.00
19,178.224 LINK
0.1111%
51
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$20.34
0.0063107 Eth
$385,470.00
377,305.202 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.1861%
52
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$20.33
0.0063065 Eth
$380,639.00
18,845.695 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1092%
53
Binance
LINK-TRY$20.29
0.0062854 Eth
$351,503.00
17,628.400 LINK
0.1021%
54
QMall
LINK-USDC$20.39
0.0063146 Eth
$322,411.00
16,131.857 LINK
0.0935%
55
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$20.29
0.0062944 Eth
$317,834.00
313,137.311 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.8144%
56
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$20.28
0.0062781 Eth
$301,197.00
15,101.012 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0875%
57
BitMart
LINK-BTC$20.37
0.0063107 Eth
$270,152.00
13,262.080 LINK
0.0768%
58
GMO Japan
LINK-JPY$20.32
0.0062960 Eth
$264,749.00
13,029.600 LINK
0.0755%
59
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.33
0.0063067 Eth
$247,915.00
12,348.703 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0715%
60
Hotcoin
LINK-BTC$20.37
0.0063122 Eth
$232,882.00
11,433.010 LINK
0.0662%
61
OKX
LINK-USDC$20.37
0.0063094 Eth
$220,799.00
11,104.417 LINK
0.0643%
62
BitDelta
LINK-USDT$20.37
0.0063082 Eth
$214,972.00
10,781.000 LINK
0.0625%
63
Coinbase Exchange
LINK-BTC$20.39
0.0063120 Eth
$201,747.00
9,896.420 LINK
0.0573%
64
Bitci TR
LINK-TRY$20.22
0.0062669 Eth
$197,520.00
9,907.814 LINK
0.0574%
65
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$20.36
0.0063125 Eth
$186,164.00
9,269.572 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0537%
66
Kraken
LINK-GBP$20.37
0.0063110 Eth
$153,221.00
7,522.055 LINK
0.0436%
67
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.39
0.0063160 Eth
$129,391.00
6,443.039 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0373%
68
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$20.39
0.0063141 Eth
$128,294.00
6,311.996 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0366%
69
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$20.40
0.0063190 Eth
$121,149.00
6,077.163 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0352%
70
BitStorage
LINK-ETH$20.38
0.0063094 Eth
$118,926.00
5,836.480 LINK
0.0338%
71
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$20.33
0.0063029 Eth
$110,883.00
5,559.492 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0322%
72
LATOKEN
LINK-BTC$20.36
0.0063057 Eth
$88,929.00
4,368.086 LINK
0.0253%
73
BitMart
LINK-ETH$20.37
0.0063095 Eth
$87,043.00
4,273.860 LINK
0.0248%
74
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$20.29
0.0062899 Eth
$85,311.00
4,241.583 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0246%
75
Bitso
LINK-USD$20.40
0.0063197 Eth
$80,985.00
3,969.064 LINK
0.0230%
76
Hotcoin
LINK-ETH$20.37
0.0063133 Eth
$79,101.00
3,882.640 LINK
0.0225%
77
Binance US
LINK-USDT$20.35
0.0063116 Eth
$77,749.00
3,821.396 LINK
0.0221%
78
Bitkub
LINK-THB$20.18
0.0062589 Eth
$66,259.00
3,283.408 LINK
0.0190%
79
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$20.42
0.0063240 Eth
$54,108.00
2,708.538 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0157%
80
Mercado Bitcoin
LINK-BRL$20.30
0.0062904 Eth
$47,838.00
2,356.616 LINK
0.0137%
81
BTCMarkets
LINK-AUD$20.26
0.0062736 Eth
$44,832.00
2,212.677 LINK
0.0128%
82
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$20.29
0.0062809 Eth
$42,171.00
41,349.771 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.2396%
83
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$20.27
0.0062803 Eth
$39,599.00
1,950.422 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0113%
84
Nonkyc.io
LINK-BTC$20.43
0.0063305 Eth
$37,199.00
1,852.163 LINK
0.0107%
85
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$20.30
0.0062865 Eth
$30,965.00
1,543.907 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0089%
86
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$20.28
0.0062833 Eth
$28,374.00
1,421.287 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0082%
87
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$20.45
0.0063422 Eth
$27,937.00
36.154 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0002%
88
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$20.30
0.0062957 Eth
$20,210.00
997.226 0X5947BB275C521040051D82396192181B413227A3
0.0058%
89
LFJ
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$20.18
0.0062572 Eth
$16,214.77
798.727 0X5947BB275C521040051D82396192181B413227A3
0.0046%
90
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$20.31
0.0062899 Eth
$15,797.24
785.261 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0045%
91
Dex-Trade
LINK-ETH$20.34
0.0063033 Eth
$15,394.79
756.700 LINK
0.0044%
92
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$20.35
0.0063097 Eth
$13,604.53
685.629 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0040%
93
Gemini
LINK-BTC$20.28
0.0062833 Eth
$12,265.06
604.809 LINK
0.0035%
94
Pangolin
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$20.26
0.0062760 Eth
$10,331.82
507.886 0X5947BB275C521040051D82396192181B413227A3
0.0029%
95
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XD6DF932A45C0F255F85145F286EA0B292B21C90B$20.07
0.0062166 Eth
$8,552.35
425.348 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0025%
96
Biswap V3
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$20.37
0.0063085 Eth
$8,090.10
400.353 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0023%
97
Uniswap V3 (Arbitrum One)
0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$20.28
0.0062832 Eth
$7,737.88
25.859 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196
0.0001%
98
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$20.43
0.0063279 Eth
$7,673.48
383.067 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0022%
99
Ace
LINK-USDT$20.36
0.0063045 Eth
$3,460.02
173.370 LINK
0.0010%
100
Bitexen
LINK-TRY$20.19
0.0062584 Eth
$2,654.36
131.453 LINK
0.0008%

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.