ETH Price: $2,728.38 (+1.43%)
Gas: 0.74 Gwei

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

736,756 (0.00%)

Market

Price

$18.03 @ 0.006608 ETH (+1.34%)

Onchain Market Cap

$18,030,000,000.00

Circulating Supply Market Cap

$11,480,037,356.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
ipictorial.eth
Balance
50.29479857 LINK

Value
$906.82 ( ~0.332365373116801 Eth) [0.0000%]
0x5597664063A38FF4E4c0046935b1f7eb48A14003
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 16290.91% |ETH 0.0003846 1618.15%

Market

Volume (24H):$447,868,792.00
Market Capitalization:$11,480,037,356.00
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$18.05
0.0066205 Eth
$20,229,971.00
1,120,587.750 LINK
10.5781%
2
Bybit
LINK-USDT$18.05
0.0066189 Eth
$19,275,498.00
1,074,950.136 LINK
10.1473%
3
HTX
LINK-USDT$18.07
0.0066258 Eth
$18,870,119.00
1,053,290.354 LINK
9.9429%
4
P2B
LINK-USDT$18.01
0.0066091 Eth
$9,665,951.00
536,610.490 LINK
5.0655%
5
Bitget
LINK-USDT$18.06
0.0066221 Eth
$9,495,422.00
529,400.244 LINK
4.9974%
6
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$17.96
0.0065910 Eth
$6,852,971.00
380,480.944 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.5917%
7
Gate.io
LINK-USDT$18.04
0.0066162 Eth
$6,748,022.00
376,896.500 LINK
3.5578%
8
OKX
LINK-USDT$18.06
0.0066247 Eth
$6,533,495.00
364,978.585 LINK
3.4453%
9
XT.COM
LINK-USDT$17.99
0.0066059 Eth
$4,641,897.00
259,000.470 LINK
2.4449%
10
MEXC
LINK-EUR$17.90
0.0065804 Eth
$4,358,396.00
243,434.680 LINK
2.2980%
11
MEXC
LINK-USDC$18.01
0.0066112 Eth
$4,191,931.00
232,700.670 LINK
2.1967%
12
Coinstore
LINK-USDT$18.06
0.0066250 Eth
$4,011,158.00
223,711.310 LINK
2.1118%
13
Hotcoin
LINK-USDT$17.99
0.0066055 Eth
$3,916,927.00
217,732.750 LINK
2.0554%
14
KuCoin
LINK-USDT$18.06
0.0066249 Eth
$3,822,155.00
211,601.572 LINK
1.9975%
15
CoinW
LINK-USDT$17.91
0.0065962 Eth
$3,525,697.00
196,844.310 LINK
1.8582%
16
Binance
LINK-USDC$18.06
0.0066219 Eth
$3,400,580.00
189,649.570 LINK
1.7903%
17
BTSE
LINK-USDT$18.03
0.0066157 Eth
$3,220,701.00
178,620.571 LINK
1.6861%
18
WhiteBIT
LINK-USDT$17.91
0.0065707 Eth
$3,079,184.00
171,937.440 LINK
1.6231%
19
Bitunix
LINK-USDT$18.06
0.0066239 Eth
$2,877,236.00
159,336.550 LINK
1.5041%
20
Azbit
LINK-USDT$18.03
0.0066149 Eth
$2,770,762.00
154,607.173 LINK
1.4595%
21
BYDFi
LINK-USDT$17.94
0.0066051 Eth
$2,590,178.00
144,380.260 LINK
1.3629%
22
LATOKEN
LINK-USDT$18.00
0.0066087 Eth
$2,144,356.00
119,159.951 LINK
1.1248%
23
Bitvavo
LINK-EUR$17.99
0.0066042 Eth
$1,986,337.00
110,438.494 LINK
1.0425%
24
QMall
LINK-USDT$18.05
0.0066222 Eth
$1,864,609.00
104,006.434 LINK
0.9818%
25
FMCPAY
LINK-USDT$18.02
0.0066113 Eth
$1,552,385.00
86,706.814 LINK
0.8185%
26
Coinbase Exchange
LINK-GBP$18.00
0.0066062 Eth
$1,514,473.00
84,134.720 LINK
0.7942%
27
Dex-Trade
LINK-USDT$17.92
0.0065994 Eth
$1,508,794.00
84,200.750 LINK
0.7948%
28
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.97
0.0065919 Eth
$1,508,154.00
83,904.314 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.7920%
29
Biconomy.com
LINK-USDT$18.03
0.0066172 Eth
$1,263,920.00
70,536.450 LINK
0.6659%
30
FMCPAY
LINK-ETH$18.00
0.0066069 Eth
$1,105,506.00
61,382.880 LINK
0.5794%
31
FMCPAY
LINK-BTC$17.90
0.0065928 Eth
$924,046.00
51,268.000 LINK
0.4840%
32
Coinbase Exchange
LINK-EUR$18.00
0.0066037 Eth
$875,116.00
48,621.820 LINK
0.4590%
33
CoinEx
LINK-USDT$18.00
0.0066107 Eth
$839,723.00
46,772.668 LINK
0.4415%
34
Trubit
LINK-USDT$18.06
0.0066249 Eth
$783,239.00
43,707.840 LINK
0.4126%
35
PointPay
LINK-USDT$17.99
0.0066080 Eth
$756,050.00
42,180.722 LINK
0.3982%
36
tanX
LINK-USDC$17.99
0.0066048 Eth
$668,275.00
37,285.030 LINK
0.3520%
37
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$17.96
0.0065929 Eth
$535,487.00
534,248.449 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
5.0432%
38
Phemex
LINK-USDT$17.99
0.0066073 Eth
$492,180.00
27,355.710 LINK
0.2582%
39
EXMO
LINK-USDT$18.07
0.0066274 Eth
$486,721.00
26,941.227 LINK
0.2543%
40
BigONE
LINK-USDT$18.10
0.0066397 Eth
$473,246.00
26,150.750 LINK
0.2469%
41
LATOKEN
LINK-BTC$17.99
0.0066079 Eth
$447,301.00
24,859.143 LINK
0.2347%
42
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.00
0.0066032 Eth
$422,055.00
23,664.498 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2234%
43
WhiteBIT
LINK-BTC$17.94
0.0066042 Eth
$414,132.00
23,089.790 LINK
0.2180%
44
Gemini
LINK-USD$18.08
0.0066296 Eth
$390,067.00
21,576.747 LINK
0.2037%
45
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$17.97
0.0065926 Eth
$373,589.00
39,106.446 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.3692%
46
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$18.03
0.0066132 Eth
$370,124.00
20,669.156 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1951%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.90
0.0065652 Eth
$320,110.00
17,833.437 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1683%
48
BitMart
LINK-BTC$18.00
0.0066039 Eth
$305,298.00
16,956.700 LINK
0.1601%
49
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.03
0.0066132 Eth
$294,799.00
293,018.155 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.7660%
50
OKX
LINK-USDC$18.06
0.0066223 Eth
$289,556.00
16,218.396 LINK
0.1531%
51
QMall
LINK-USDC$18.01
0.0066079 Eth
$277,610.00
15,476.786 LINK
0.1461%
52
Bitbank
LINK-JPY$18.03
0.0066200 Eth
$271,690.00
15,071.746 LINK
0.1423%
53
Binance
LINK-TRY$17.94
0.0066038 Eth
$261,308.00
14,559.330 LINK
0.1374%
54
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.97
0.0065938 Eth
$255,592.00
14,181.381 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1339%
55
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.04
0.0066179 Eth
$236,133.00
13,204.844 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1247%
56
Slex
LINK-ETH$17.99
0.0066009 Eth
$215,609.00
11,961.590 LINK
0.1129%
57
BitDelta
LINK-USDT$18.01
0.0066091 Eth
$208,834.00
11,659.000 LINK
0.1101%
58
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$17.97
0.0065937 Eth
$199,149.00
11,046.486 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1043%
59
CoinTR
LINK-TRY$18.03
0.0066186 Eth
$196,000.00
10,937.330 LINK
0.1032%
60
Bitbegin
LINK-USDT$17.99
0.0066063 Eth
$193,967.00
10,821.792 LINK
0.1022%
61
Bitci TR
LINK-TRY$17.96
0.0065856 Eth
$178,696.00
9,964.550 LINK
0.0941%
62
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.03
0.0066132 Eth
$171,707.00
9,518.157 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0898%
63
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$17.97
0.0065900 Eth
$157,682.00
8,832.263 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0834%
64
Hotcoin
LINK-BTC$18.08
0.0066298 Eth
$135,623.00
7,501.980 LINK
0.0708%
65
BitStorage
LINK-ETH$18.03
0.0066126 Eth
$119,402.00
6,622.670 LINK
0.0625%
66
WhiteBIT
LINK-TRY$17.96
0.0065948 Eth
$118,314.00
6,587.820 LINK
0.0622%
67
BYDFi
LINK-USDC$17.97
0.0065922 Eth
$116,022.00
6,457.770 LINK
0.0610%
68
bitcastle
LINK-USDT$17.99
0.0066059 Eth
$105,424.00
5,883.830 LINK
0.0555%
69
KuCoin
LINK-BTC$18.09
0.0066366 Eth
$97,685.00
5,398.505 LINK
0.0510%
70
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.07
0.0066290 Eth
$94,427.00
5,262.899 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0497%
71
BitMart
LINK-ETH$17.99
0.0065987 Eth
$87,345.00
4,855.040 LINK
0.0458%
72
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$17.94
0.0065834 Eth
$85,153.00
4,745.463 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0448%
73
KuCoin
LINK-USDC$17.96
0.0065855 Eth
$79,136.00
4,407.359 LINK
0.0416%
74
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$18.00
0.0066042 Eth
$72,263.00
4,018.751 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0379%
75
Binance
LINK-BNB$17.97
0.0066123 Eth
$55,222.00
3,104.728 LINK
0.0293%
76
Uniswap V4 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$17.94
0.0065816 Eth
$55,147.00
55,070.721 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.5199%
77
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$17.97
0.0065919 Eth
$47,842.00
47,763.752 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.4509%
78
Uniswap V4 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.01
0.0066055 Eth
$41,171.00
2,283.095 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0216%
79
Hotcoin
LINK-ETH$17.98
0.0066021 Eth
$36,934.00
2,054.430 LINK
0.0194%
80
EXMO
LINK-BTC$18.07
0.0066297 Eth
$35,505.00
1,964.631 LINK
0.0185%
81
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$17.99
0.0065997 Eth
$35,050.00
1,946.444 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0184%
82
Indodax
LINK-IDR$17.96
0.0065932 Eth
$34,722.00
1,933.803 LINK
0.0183%
83
Uniswap V4 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA$18.00
0.0066056 Eth
$29,504.00
29,314.599 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.2767%
84
Uniswap V3 (BSC)
0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$17.90
0.0065697 Eth
$20,392.00
2,363.845 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63
0.0223%
85
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$17.96
0.0065910 Eth
$18,641.52
1,040.359 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0098%
86
Dex-Trade
LINK-ETH$17.99
0.0066008 Eth
$15,944.54
886.260 LINK
0.0084%
87
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$17.97
0.0065900 Eth
$15,411.16
865.145 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0082%
88
zondacrypto
LINK-USDC$17.83
0.0065394 Eth
$14,203.10
796.504 LINK
0.0075%
89
CoinEx
LINK-BTC$17.95
0.0065900 Eth
$13,537.69
746.893 LINK
0.0071%
90
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.01
0.0066077 Eth
$12,389.88
12,324.155 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.1163%
91
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$17.89
0.0065601 Eth
$12,340.65
17.341 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0002%
92
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$18.03
0.0066136 Eth
$10,942.98
611.127 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0058%
93
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$17.95
0.0065838 Eth
$8,535.91
476.643 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0045%
94
Bitexen
LINK-TRY$17.79
0.0065479 Eth
$7,877.10
442.837 LINK
0.0042%
95
Uniswap V4 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$17.95
0.0065850 Eth
$7,189.19
401.527 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0038%
96
Gemini
LINK-BTC$17.90
0.0065626 Eth
$6,023.57
336.599 LINK
0.0032%
97
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$17.97
0.0065917 Eth
$5,859.07
325.728 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0031%
98
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$17.97
0.0065917 Eth
$5,740.78
317.883 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0030%
99
Uniswap V4 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XAF88D065E77C8CC2239327C5EDB3A432268E5831$17.93
0.0065841 Eth
$5,150.66
290.255 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0027%
100
Uniswap V3 (Arbitrum One)
0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$17.97
0.0065919 Eth
$4,652.80
18.396 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196
0.0002%

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.