ETH Price: $2,731.02 (+0.35%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

737,076 ( 0.039%)

Market

Price

$18.19 @ 0.006661 ETH (+2.03%)

Onchain Market Cap

$18,190,000,000.00

Circulating Supply Market Cap

$11,607,824,797.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x69564db0bf3fa66446ecbf38ad38b0c9f6662816
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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 16436.36% |ETH 0.0003846 1631.93%

Market

Volume (24H):$502,167,066.00
Market Capitalization:$11,607,824,797.00
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
Binance
LINK-USDT$18.22
0.0066759 Eth
$50,543,032.00
2,788,141.910 LINK
17.1735%
2
WhiteBIT
LINK-USDT$18.19
0.0066609 Eth
$30,920,900.00
1,699,784.400 LINK
10.4698%
3
MEXC
LINK-USDT$18.18
0.0066617 Eth
$26,364,612.00
1,450,050.150 LINK
8.9315%
4
Coinbase Exchange
LINK-USD$18.17
0.0066538 Eth
$24,509,742.00
1,348,838.370 LINK
8.3081%
5
Bybit
LINK-USDT$18.18
0.0066651 Eth
$20,771,303.00
1,144,555.943 LINK
7.0499%
6
HTX
LINK-USDT$18.19
0.0066683 Eth
$17,071,059.00
940,969.818 LINK
5.7959%
7
KuCoin
LINK-USDT$18.22
0.0066757 Eth
$10,441,712.00
573,149.130 LINK
3.5303%
8
P2B
LINK-USDT$18.19
0.0066684 Eth
$10,434,081.00
573,461.840 LINK
3.5322%
9
OKX
LINK-USDT$18.21
0.0066728 Eth
$7,113,642.00
392,549.963 LINK
2.4179%
10
Gate.io
LINK-USDT$18.20
0.0066688 Eth
$6,870,388.00
379,343.540 LINK
2.3366%
11
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$18.16
0.0066488 Eth
$6,184,488.00
341,869.689 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.1057%
12
XT.COM
LINK-USDT$18.18
0.0066566 Eth
$5,040,996.00
278,099.910 LINK
1.7129%
13
Coinstore
LINK-USDT$18.13
0.0066381 Eth
$4,432,175.00
244,516.760 LINK
1.5061%
14
MEXC
LINK-EUR$18.14
0.0066431 Eth
$4,412,073.00
243,208.890 LINK
1.4980%
15
Hotcoin
LINK-USDT$18.19
0.0066634 Eth
$4,299,307.00
236,327.610 LINK
1.4557%
16
Binance
LINK-FDUSD$18.19
0.0066687 Eth
$4,254,081.00
234,736.290 LINK
1.4459%
17
MEXC
LINK-USDC$18.20
0.0066661 Eth
$4,175,960.00
229,391.550 LINK
1.4129%
18
CoinW
LINK-USDT$18.21
0.0066651 Eth
$3,776,895.00
207,360.560 LINK
1.2772%
19
Bitunix
LINK-USDT$18.17
0.0066549 Eth
$3,037,563.00
167,185.660 LINK
1.0298%
20
Azbit
LINK-USDT$18.17
0.0066618 Eth
$2,988,199.00
164,907.353 LINK
1.0157%
21
BYDFi
LINK-USDT$18.17
0.0066520 Eth
$2,722,965.00
149,878.940 LINK
0.9232%
22
LATOKEN
LINK-USDT$18.18
0.0066565 Eth
$2,383,139.00
131,091.034 LINK
0.8075%
23
Kraken
LINK-USD$18.19
0.0066678 Eth
$2,230,365.00
122,592.679 LINK
0.7551%
24
QMall
LINK-USDT$18.17
0.0066520 Eth
$2,007,634.00
110,759.808 LINK
0.6822%
25
Bitvavo
LINK-EUR$18.20
0.0066684 Eth
$1,988,898.00
109,290.821 LINK
0.6732%
26
Coinbase Exchange
LINK-GBP$18.17
0.0066560 Eth
$1,786,973.00
98,342.790 LINK
0.6057%
27
FMCPAY
LINK-USDT$18.18
0.0066562 Eth
$1,692,547.00
93,296.156 LINK
0.5747%
28
Dex-Trade
LINK-USDT$18.19
0.0066614 Eth
$1,642,811.00
90,336.385 LINK
0.5564%
29
Coinbase Exchange
LINK-EUR$18.17
0.0066612 Eth
$1,484,982.00
81,706.270 LINK
0.5033%
30
Biconomy.com
LINK-USDT$18.17
0.0066554 Eth
$1,447,856.00
79,842.470 LINK
0.4918%
31
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.10
0.0066348 Eth
$1,152,843.00
63,809.684 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3930%
32
FMCPAY
LINK-ETH$18.18
0.0066586 Eth
$1,071,048.00
59,152.000 LINK
0.3643%
33
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.16
0.0066575 Eth
$950,274.00
52,583.415 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3239%
34
FMCPAY
LINK-BTC$18.15
0.0066469 Eth
$920,835.00
50,345.900 LINK
0.3101%
35
Trubit
LINK-USDT$18.18
0.0066571 Eth
$841,476.00
46,356.210 LINK
0.2855%
36
CoinEx
LINK-USDT$18.15
0.0066510 Eth
$834,763.00
46,050.677 LINK
0.2836%
37
PointPay
LINK-USDT$18.16
0.0066487 Eth
$813,360.00
44,866.521 LINK
0.2764%
38
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.14
0.0066495 Eth
$807,754.00
44,688.683 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2753%
39
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$18.16
0.0066488 Eth
$772,736.00
83,017.814 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.5113%
40
tanX
LINK-USDC$18.15
0.0066448 Eth
$630,335.00
34,768.620 LINK
0.2142%
41
Binance
LINK-EUR$18.14
0.0066466 Eth
$625,555.00
34,331.780 LINK
0.2115%
42
EXMO
LINK-USDT$18.19
0.0066665 Eth
$541,462.00
29,771.431 LINK
0.1834%
43
Azbit
LINK-ETH$18.16
0.0066572 Eth
$527,420.00
29,150.211 LINK
0.1795%
44
BigONE
LINK-USDT$18.21
0.0066709 Eth
$517,417.00
28,411.860 LINK
0.1750%
45
WhiteBIT
LINK-BTC$18.23
0.0066740 Eth
$466,033.00
25,564.550 LINK
0.1575%
46
Gemini
LINK-USD$18.13
0.0066447 Eth
$432,702.00
23,869.277 LINK
0.1470%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.13
0.0066466 Eth
$417,950.00
22,922.599 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1412%
48
Bitbank
LINK-JPY$18.23
0.0066798 Eth
$373,180.00
20,475.227 LINK
0.1261%
49
LATOKEN
LINK-BTC$18.18
0.0066558 Eth
$370,580.00
20,388.126 LINK
0.1256%
50
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.13
0.0066467 Eth
$333,872.00
333,988.329 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.0572%
51
QMall
LINK-USDC$18.17
0.0066522 Eth
$321,745.00
17,747.106 LINK
0.1093%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$18.13
0.0066467 Eth
$301,370.00
16,633.103 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1025%
53
BitMart
LINK-BTC$18.18
0.0066590 Eth
$295,985.00
16,277.960 LINK
0.1003%
54
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$18.22
0.0066781 Eth
$291,635.00
15,949.414 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0982%
55
Binance
LINK-TRY$18.10
0.0066321 Eth
$277,440.00
15,326.290 LINK
0.0944%
56
OKX
LINK-USDC$18.16
0.0066557 Eth
$273,867.00
15,105.383 LINK
0.0930%
57
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.17
0.0066589 Eth
$199,247.00
10,991.884 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0677%
58
Bitci TR
LINK-TRY$18.19
0.0066616 Eth
$179,102.00
9,892.110 LINK
0.0609%
59
BitDelta
LINK-USDT$18.17
0.0066525 Eth
$175,695.00
9,693.000 LINK
0.0597%
60
Hotcoin
LINK-BTC$18.18
0.0066572 Eth
$146,769.00
8,073.860 LINK
0.0497%
61
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.13
0.0066467 Eth
$137,116.00
7,594.888 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0468%
62
CoinTR
LINK-TRY$18.08
0.0066215 Eth
$134,318.00
7,422.950 LINK
0.0457%
63
BYDFi
LINK-USDC$18.16
0.0066497 Eth
$132,435.00
7,292.990 LINK
0.0449%
64
WhiteBIT
LINK-TRY$18.11
0.0066327 Eth
$131,142.00
7,239.740 LINK
0.0446%
65
BitStorage
LINK-ETH$18.15
0.0066462 Eth
$128,319.00
7,069.620 LINK
0.0435%
66
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.14
0.0066449 Eth
$127,830.00
7,039.883 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0434%
67
Coinbase Exchange
LINK-ETH$18.29
0.0066964 Eth
$126,383.00
6,911.730 LINK
0.0426%
68
bitcastle
LINK-USDT$18.17
0.0066518 Eth
$113,264.00
6,247.970 LINK
0.0385%
69
Coinbase Exchange
LINK-BTC$18.15
0.0066526 Eth
$112,685.00
6,208.740 LINK
0.0382%
70
KuCoin
LINK-USDC$18.17
0.0066568 Eth
$101,447.00
5,584.291 LINK
0.0344%
71
KuCoin
LINK-BTC$18.16
0.0066561 Eth
$99,059.00
5,453.426 LINK
0.0336%
72
GMO Japan
LINK-JPY$18.25
0.0066877 Eth
$86,971.00
4,766.800 LINK
0.0294%
73
BitMart
LINK-ETH$18.19
0.0066612 Eth
$86,394.00
4,749.780 LINK
0.0293%
74
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$18.15
0.0066537 Eth
$82,946.00
4,597.038 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0283%
75
Bitkub
LINK-THB$18.16
0.0066558 Eth
$77,687.00
4,277.847 LINK
0.0263%
76
Uniswap V4 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.16
0.0066554 Eth
$73,490.00
73,417.591 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.4522%
77
Uniswap V4 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.16
0.0066557 Eth
$67,386.00
3,725.590 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0229%
78
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$18.11
0.0066371 Eth
$60,996.00
3,338.677 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0206%
79
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$18.10
0.0066348 Eth
$57,945.00
58,026.901 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3574%
80
Uniswap V4 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X514910771AF9CA656AF840DFF83E8264ECF986CA$18.18
0.0066648 Eth
$32,696.00
32,620.906 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.2009%
81
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$18.22
0.0066771 Eth
$31,656.00
1,751.612 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0108%
82
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$18.16
0.0066488 Eth
$22,489.00
1,240.073 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0076%
83
Uniswap V3 (BSC)
0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$18.15
0.0066522 Eth
$20,382.00
2,338.881 0XCF6BB5389C92BDDA8A3747DDB454CB7A64626C63
0.0144%
84
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.13
0.0066462 Eth
$18,793.21
1,031.170 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0064%
85
Dex-Trade
LINK-ETH$18.14
0.0066465 Eth
$17,245.01
950.920 LINK
0.0059%
86
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$18.13
0.0066448 Eth
$15,554.39
844.106 0X5947BB275C521040051D82396192181B413227A3
0.0052%
87
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$18.21
0.0066727 Eth
$13,038.20
18.223 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0001%
88
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.17
0.0066533 Eth
$11,287.69
11,264.506 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.0694%
89
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$18.15
0.0066468 Eth
$8,985.34
495.303 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0031%
90
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$18.18
0.0066623 Eth
$8,734.95
8,689.325 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.0535%
91
Uniswap V4 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.01
0.0066005 Eth
$7,684.62
427.033 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0026%
92
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$18.19
0.0066660 Eth
$7,534.61
417.590 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0026%
93
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$18.16
0.0066572 Eth
$6,411.22
350.692 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0022%
94
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0$18.18
0.0066569 Eth
$5,543.71
305.231 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0019%
95
Uniswap V3 (Arbitrum One)
0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$18.19
0.0066605 Eth
$5,386.77
20.970 0XBA5DDD1F9D7F570DC94A51479A000E3BCE967196
0.0001%
96
Uniswap V4 (Polygon)
0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.16
0.0066555 Eth
$4,802.33
4,798.552 0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174
0.0296%
97
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.13
0.0066380 Eth
$4,669.46
257.953 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0016%
98
CoinEx
LINK-BTC$18.17
0.0066591 Eth
$4,589.86
251.067 LINK
0.0015%
99
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$18.21
0.0066730 Eth
$3,518.77
186.795 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0012%
100
PancakeSwap V3 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.20
0.0066726 Eth
$2,733.79
150.637 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0009%

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

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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