ETH Price: $2,737.51 (+0.80%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

735,016 ( 0.001%)

Market

Price

$19.50 @ 0.007123 ETH (+4.11%)

Onchain Market Cap

$19,500,000,000.00

Circulating Supply Market Cap

$12,445,880,858.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0xf80a04cd3ebce0b475305c12e8922068a53545c3
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 17627.27% |ETH 0.0003846 1752.05%

Market

Volume (24H):$568,638,833.00
Market Capitalization:$12,445,880,858.00
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$19.55
0.0071587 Eth
$63,587,596.00
3,298,074.160 LINK
19.1683%
2
MEXC
LINK-USDT$19.57
0.0071501 Eth
$35,974,282.00
1,838,119.890 LINK
10.6831%
3
Coinbase Exchange
LINK-USD$19.57
0.0071605 Eth
$34,428,892.00
1,759,628.540 LINK
10.2269%
4
Bybit
LINK-USDT$19.57
0.0071487 Eth
$26,420,874.00
1,371,680.071 LINK
7.9721%
5
HTX
LINK-USDT$19.57
0.0071482 Eth
$19,790,382.00
1,030,614.055 LINK
5.9899%
6
P2B
LINK-USDT$19.57
0.0071551 Eth
$13,041,043.00
666,297.940 LINK
3.8725%
7
OKX
LINK-USDT$19.56
0.0071473 Eth
$9,393,532.00
487,118.100 LINK
2.8311%
8
DigiFinex
LINK-USDT$19.58
0.0071524 Eth
$8,235,308.00
420,658.240 LINK
2.4448%
9
Gate.io
LINK-USDT$19.56
0.0071532 Eth
$6,782,698.00
350,918.940 LINK
2.0395%
10
Binance
LINK-USDC$19.50
0.0071473 Eth
$6,540,603.00
338,773.320 LINK
1.9689%
11
XT.COM
LINK-USDT$19.53
0.0071488 Eth
$6,373,667.00
330,549.430 LINK
1.9211%
12
KuCoin
LINK-USDT$19.57
0.0071541 Eth
$5,804,807.00
296,664.065 LINK
1.7242%
13
WhiteBIT
LINK-USDT$19.54
0.0071458 Eth
$5,757,246.00
294,692.220 LINK
1.7127%
14
Coinstore
LINK-USDT$19.50
0.0071393 Eth
$5,637,245.00
292,622.430 LINK
1.7007%
15
CoinW
LINK-USDT$19.53
0.0071513 Eth
$5,039,331.00
258,006.600 LINK
1.4995%
16
BTSE
LINK-USDT$19.56
0.0071542 Eth
$5,005,976.00
255,937.523 LINK
1.4875%
17
Binance
LINK-FDUSD$19.58
0.0071542 Eth
$4,603,941.00
238,566.550 LINK
1.3865%
18
Hotcoin
LINK-USDT$19.56
0.0071538 Eth
$4,337,315.00
221,739.590 LINK
1.2887%
19
Kraken
LINK-USD$19.57
0.0071504 Eth
$3,951,705.00
201,907.909 LINK
1.1735%
20
Azbit
LINK-USDT$19.53
0.0071484 Eth
$3,733,397.00
193,663.625 LINK
1.1256%
21
BYDFi
LINK-USDT$19.52
0.0071456 Eth
$3,599,260.00
184,366.160 LINK
1.0715%
22
LATOKEN
LINK-USDT$19.56
0.0071521 Eth
$3,166,594.00
161,878.586 LINK
0.9408%
23
Coinbase Exchange
LINK-EUR$19.60
0.0071651 Eth
$2,571,955.00
131,242.560 LINK
0.7628%
24
QMall
LINK-USDT$19.57
0.0071498 Eth
$2,548,035.00
132,146.966 LINK
0.7680%
25
FMCPAY
LINK-USDT$19.53
0.0071491 Eth
$2,063,615.00
107,212.665 LINK
0.6231%
26
Dex-Trade
LINK-USDT$19.52
0.0071449 Eth
$2,061,780.00
105,615.920 LINK
0.6138%
27
Bitvavo
LINK-EUR$19.54
0.0071519 Eth
$1,941,095.00
99,338.178 LINK
0.5773%
28
Coinbase Exchange
LINK-GBP$19.59
0.0071619 Eth
$1,708,205.00
87,205.220 LINK
0.5068%
29
CoinEx
LINK-USDT$19.56
0.0071527 Eth
$1,693,940.00
87,320.056 LINK
0.5075%
30
Biconomy.com
LINK-USDT$19.50
0.0071481 Eth
$1,573,453.00
81,789.730 LINK
0.4754%
31
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.59
0.0071567 Eth
$1,454,270.00
75,143.403 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.4367%
32
FMCPAY
LINK-ETH$19.53
0.0071417 Eth
$1,274,489.00
65,962.240 LINK
0.3834%
33
FMCPAY
LINK-BTC$19.53
0.0071475 Eth
$1,075,876.00
55,628.200 LINK
0.3233%
34
PointPay
LINK-USDT$19.52
0.0071519 Eth
$1,009,443.00
52,361.373 LINK
0.3043%
35
Trubit
LINK-USDT$19.53
0.0071470 Eth
$754,747.00
39,304.940 LINK
0.2284%
36
EXMO
LINK-USDT$19.58
0.0071596 Eth
$726,198.00
37,095.792 LINK
0.2156%
37
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.58
0.0071575 Eth
$723,080.00
37,531.173 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2181%
38
Phemex
LINK-USDT$19.57
0.0071558 Eth
$685,012.00
35,000.430 LINK
0.2034%
39
LATOKEN
LINK-BTC$19.49
0.0071402 Eth
$649,710.00
33,330.516 LINK
0.1937%
40
Binance
LINK-EUR$19.58
0.0071574 Eth
$648,331.00
33,650.940 LINK
0.1956%
41
Gemini
LINK-USD$19.50
0.0071250 Eth
$637,450.00
32,685.925 LINK
0.1900%
42
WhiteBIT
LINK-BTC$19.52
0.0071410 Eth
$596,137.00
30,534.900 LINK
0.1775%
43
Bitbank
LINK-JPY$19.51
0.0071407 Eth
$589,504.00
30,209.918 LINK
0.1756%
44
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$19.56
0.0071560 Eth
$581,169.00
30,113.002 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1750%
45
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.56
0.0071560 Eth
$579,693.00
572,044.795 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
3.3247%
46
BigONE
LINK-USDT$19.55
0.0071564 Eth
$576,216.00
29,481.120 LINK
0.1713%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.56
0.0071560 Eth
$558,937.00
28,750.590 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1671%
48
Binance
LINK-TRY$19.53
0.0071478 Eth
$542,117.00
28,208.650 LINK
0.1639%
49
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.50
0.0071303 Eth
$524,151.00
27,202.034 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1581%
50
QMall
LINK-USDC$19.57
0.0071542 Eth
$500,710.00
25,953.611 LINK
0.1508%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$19.52
0.0071400 Eth
$487,814.00
25,048.530 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1456%
52
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.51
0.0071371 Eth
$466,138.00
24,351.353 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1415%
53
Bitbegin
LINK-USDT$19.53
0.0071472 Eth
$458,523.00
23,834.574 LINK
0.1385%
54
EarnBIT
LINK-USDT$19.56
0.0071618 Eth
$442,094.00
22,932.126 LINK
0.1333%
55
Bybit
LINK-USDC$19.56
0.0071477 Eth
$409,443.00
21,236.388 LINK
0.1234%
56
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$19.64
0.0071805 Eth
$406,911.00
39,645.731 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2304%
57
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.55
0.0071520 Eth
$394,462.00
20,316.843 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1181%
58
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$19.59
0.0071567 Eth
$341,708.00
17,707.833 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1029%
59
BitMart
LINK-BTC$19.53
0.0071439 Eth
$267,002.00
13,670.600 LINK
0.0795%
60
OKX
LINK-USDC$19.58
0.0071547 Eth
$263,611.00
13,633.891 LINK
0.0792%
61
BitDelta
LINK-USDT$19.52
0.0071452 Eth
$226,441.00
11,784.000 LINK
0.0685%
62
KuCoin
LINK-BTC$19.65
0.0071781 Eth
$226,374.00
11,521.577 LINK
0.0670%
63
Bitci TR
LINK-TRY$19.69
0.0071929 Eth
$196,733.00
10,268.930 LINK
0.0597%
64
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.55
0.0071474 Eth
$188,069.00
9,748.441 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0567%
65
GMO Japan
LINK-JPY$19.60
0.0071743 Eth
$169,034.00
8,622.900 LINK
0.0501%
66
Hotcoin
LINK-BTC$19.45
0.0071441 Eth
$150,499.00
7,735.970 LINK
0.0450%
67
BYDFi
LINK-USDC$19.54
0.0071519 Eth
$141,516.00
7,241.550 LINK
0.0421%
68
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.59
0.0071631 Eth
$138,038.00
7,149.198 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0416%
69
bitcastle
LINK-USDT$19.56
0.0071521 Eth
$135,445.00
7,029.260 LINK
0.0409%
70
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$19.52
0.0071333 Eth
$127,356.00
6,569.752 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0382%
71
Coinbase Exchange
LINK-BTC$19.56
0.0071604 Eth
$126,000.00
6,440.190 LINK
0.0374%
72
Kraken
LINK-GBP$19.63
0.0071715 Eth
$121,591.00
6,194.172 LINK
0.0360%
73
BitStorage
LINK-ETH$19.50
0.0071406 Eth
$104,714.00
5,370.730 LINK
0.0312%
74
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$19.59
0.0071567 Eth
$100,791.00
98,989.215 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.5753%
75
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$19.55
0.0071413 Eth
$96,432.00
4,992.223 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0290%
76
Uniswap V4 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.43
0.0070998 Eth
$96,192.00
95,444.347 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.5547%
77
Kanga
LINK-PLN$19.58
0.0071654 Eth
$84,412.00
0.000 LINK
0.0000%
78
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$19.42
0.0071046 Eth
$77,285.00
3,996.964 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0232%
79
Uniswap V4 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.54
0.0071387 Eth
$73,327.00
3,787.040 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0220%
80
BitMart
LINK-ETH$19.53
0.0071419 Eth
$69,288.00
3,548.540 LINK
0.0206%
81
Binance US
LINK-USDT$19.46
0.0071342 Eth
$56,932.00
2,925.061 LINK
0.0170%
82
Bitso
LINK-USD$19.54
0.0071476 Eth
$50,058.00
2,561.354 LINK
0.0149%
83
Bitkub
LINK-THB$19.57
0.0071611 Eth
$49,091.00
2,508.771 LINK
0.0146%
84
Binance US
LINK-BTC$19.43
0.0071146 Eth
$46,722.00
2,404.534 LINK
0.0140%
85
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.52
0.0071415 Eth
$46,235.00
2,416.997 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0140%
86
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$19.53
0.0071463 Eth
$44,048.00
2,278.734 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0132%
87
Hotcoin
LINK-ETH$19.52
0.0071427 Eth
$42,703.00
2,188.030 LINK
0.0127%
88
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$19.50
0.0071309 Eth
$38,252.00
1,977.522 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0115%
89
Uniswap V4 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$19.51
0.0071296 Eth
$33,815.00
1,748.736 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0102%
90
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$19.51
0.0071271 Eth
$22,028.00
29.631 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0002%
91
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.44
0.0071062 Eth
$16,516.50
16,388.614 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.0952%
92
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$19.50
0.0071230 Eth
$14,749.00
751.233 0X5947BB275C521040051D82396192181B413227A3
0.0044%
93
Dex-Trade
LINK-ETH$19.52
0.0071439 Eth
$14,068.66
720.650 LINK
0.0042%
94
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$19.44
0.0071159 Eth
$13,878.58
720.269 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0042%
95
Bitexen
LINK-TRY$19.33
0.0070792 Eth
$12,230.07
632.819 LINK
0.0037%
96
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$19.60
0.0071606 Eth
$11,928.85
617.896 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0036%
97
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$19.56
0.0071552 Eth
$9,402.01
484.611 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0028%
98
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$19.54
0.0071528 Eth
$8,249.87
426.521 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0025%
99
LFJ
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$19.64
0.0071822 Eth
$8,224.64
419.401 0X5947BB275C521040051D82396192181B413227A3
0.0024%
100
Biswap V3
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.50
0.0071242 Eth
$6,832.20
357.228 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0021%

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.