ETH Price: $2,508.80 (-5.54%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

722,247 ( 0.000%)

Market

Price

$11.46 @ 0.004568 ETH (-7.37%)

Onchain Market Cap

$11,460,000,000.00

Circulating Supply Market Cap

$7,186,942,728.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
3,757.0229042946 LINK

Value
$43,055.48 ( ~17.1618 Eth) [0.0004%]
0xa26c19ab306bab8644e6f5ae11cfe92bbc5ddf6c
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 10318.18% |ETH 0.0003846 1087.73%

Market

Volume (24H):$437,864,739.00
Market Capitalization:$7,186,942,728.00
Circulating Supply:626,849,971.00 LINK
Market Data Source: Coinmarketcap

ICO Information

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

# Exchange Pair Price  24H Volume % Volume
1
Binance
LINK-USDT$11.45
0.0045561 Eth
$31,038,652.00
2,636,686.330 LINK
17.0774%
2
Coinbase Exchange
LINK-USD$11.46
0.0045613 Eth
$15,448,295.00
1,347,666.010 LINK
8.7286%
3
HTX
LINK-USDT$11.45
0.0045593 Eth
$12,910,352.00
1,096,115.691 LINK
7.0994%
4
Bitget
LINK-USDT$11.44
0.0045554 Eth
$9,519,920.00
807,565.219 LINK
5.2305%
5
Bybit
LINK-USDT$11.46
0.0045596 Eth
$9,363,560.00
797,616.546 LINK
5.1660%
6
OKX
LINK-USDT$11.45
0.0045559 Eth
$7,717,322.00
658,766.330 LINK
4.2667%
7
BTSE
LINK-USDT$11.42
0.0045487 Eth
$7,387,955.00
646,933.737 LINK
4.1901%
8
Upbit
LINK-KRW$11.58
0.0046111 Eth
$6,786,764.00
585,861.214 LINK
3.7945%
9
Gate.io
LINK-USDT$11.44
0.0045537 Eth
$5,914,860.00
504,674.550 LINK
3.2687%
10
Slex
LINK-USDT$11.47
0.0045599 Eth
$5,504,045.00
469,153.100 LINK
3.0386%
11
P2B
LINK-USDT$11.46
0.0045615 Eth
$5,188,580.00
452,818.310 LINK
2.9328%
12
Azbit
LINK-USDT$11.47
0.0045617 Eth
$4,739,981.00
401,389.290 LINK
2.5997%
13
DigiFinex
LINK-USDT$11.45
0.0045592 Eth
$4,304,671.00
375,813.340 LINK
2.4341%
14
Biconomy.com
LINK-USDT$11.46
0.0045593 Eth
$4,058,064.00
344,783.030 LINK
2.2331%
15
XT.COM
LINK-USDT$11.47
0.0045639 Eth
$3,106,620.00
263,823.170 LINK
1.7087%
16
Bitunix
LINK-USDT$11.45
0.0045576 Eth
$3,055,673.00
266,909.900 LINK
1.7287%
17
CoinW
LINK-USDT$11.42
0.0045508 Eth
$2,834,060.00
248,133.080 LINK
1.6071%
18
ProBit Global
LINK-USDT$11.46
0.0045622 Eth
$2,703,179.00
235,797.977 LINK
1.5272%
19
Hotcoin
LINK-USDT$11.45
0.0045561 Eth
$2,489,339.00
217,486.750 LINK
1.4086%
20
Trubit
LINK-USDT$11.44
0.0045582 Eth
$2,337,706.00
199,379.010 LINK
1.2913%
21
KuCoin
LINK-USDT$11.45
0.0045588 Eth
$2,302,797.00
201,061.834 LINK
1.3022%
22
Coinstore
LINK-USDT$11.44
0.0045546 Eth
$2,194,527.00
186,244.380 LINK
1.2063%
23
LBank
LINK-USDT$11.45
0.0045558 Eth
$2,060,435.00
179,984.650 LINK
1.1657%
24
AscendEX (BitMax)
LINK-USDT$11.46
0.0045603 Eth
$1,686,373.00
147,189.300 LINK
0.9533%
25
BYDFi
LINK-USDT$11.43
0.0045537 Eth
$1,414,746.00
123,788.610 LINK
0.8018%
26
WhiteBIT
LINK-BTC$11.46
0.0045621 Eth
$1,377,826.00
120,189.300 LINK
0.7784%
27
Bithumb
LINK-KRW$11.57
0.0046051 Eth
$1,273,644.00
110,083.913 LINK
0.7130%
28
Bitvavo
LINK-EUR$11.47
0.0045671 Eth
$1,143,355.00
99,651.355 LINK
0.6454%
29
CoinEx
LINK-USDT$11.46
0.0045612 Eth
$1,108,193.00
93,274.463 LINK
0.6041%
30
HashKey Global
LINK-USDT$11.46
0.0045590 Eth
$1,006,600.00
83,515.266 LINK
0.5409%
31
Dex-Trade
LINK-USDT$11.46
0.0045598 Eth
$956,101.00
83,464.310 LINK
0.5406%
32
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.44
0.0045546 Eth
$935,504.00
81,428.181 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.5274%
33
Azbit
LINK-ETH$11.47
0.0045665 Eth
$837,448.00
72,814.346 LINK
0.4716%
34
LATOKEN
LINK-BTC$11.45
0.0045588 Eth
$619,215.00
54,065.572 LINK
0.3502%
35
BigONE
LINK-USDT$11.49
0.0045774 Eth
$617,683.00
53,776.710 LINK
0.3483%
36
EXMO
LINK-USDT$11.46
0.0045589 Eth
$602,851.00
52,624.873 LINK
0.3408%
37
LATOKEN
LINK-USDT$11.46
0.0045599 Eth
$589,264.00
51,438.674 LINK
0.3332%
38
AscendEX (BitMax)
LINK-BTC$11.40
0.0045381 Eth
$555,399.00
48,713.600 LINK
0.3155%
39
PointPay
LINK-USDT$11.46
0.0045598 Eth
$514,703.00
43,743.698 LINK
0.2833%
40
ProBit Global
LINK-BTC$11.47
0.0045648 Eth
$481,105.00
41,937.244 LINK
0.2716%
41
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.47
0.0045657 Eth
$443,898.00
38,601.041 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2500%
42
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.44
0.0045520 Eth
$405,366.00
35,381.017 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2292%
43
tanX
LINK-USDC$11.47
0.0045652 Eth
$402,272.00
34,060.690 LINK
0.2206%
44
Gemini
LINK-USD$11.47
0.0045637 Eth
$366,572.00
31,971.857 LINK
0.2071%
45
EarnBIT
LINK-USDT$11.49
0.0045678 Eth
$362,863.00
30,980.954 LINK
0.2007%
46
Bybit
LINK-USDC$11.46
0.0045598 Eth
$325,709.00
27,943.133 LINK
0.1810%
47
itBit
LINK-USD$11.44
0.0045595 Eth
$321,672.00
28,118.200 LINK
0.1821%
48
Phemex
LINK-USDT$11.45
0.0045558 Eth
$316,088.00
27,617.450 LINK
0.1789%
49
WhiteBIT
LINK-EUR$11.46
0.0045621 Eth
$307,097.00
26,788.460 LINK
0.1735%
50
WhiteBIT
LINK-TRY$11.48
0.0045689 Eth
$285,340.00
24,858.500 LINK
0.1610%
51
Bitbank
LINK-JPY$11.50
0.0045762 Eth
$256,032.00
22,269.464 LINK
0.1442%
52
GMO Japan
LINK-JPY$11.50
0.0045767 Eth
$233,345.00
20,293.700 LINK
0.1314%
53
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$11.42
0.0045450 Eth
$202,893.00
17,276.089 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1119%
54
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.47
0.0045657 Eth
$191,936.00
16,363.117 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1060%
55
Slex
LINK-BTC$11.45
0.0045586 Eth
$189,133.00
16,524.100 LINK
0.1070%
56
BitMart
LINK-BTC$11.47
0.0045657 Eth
$187,259.00
16,322.020 LINK
0.1057%
57
BYDFi
LINK-USDC$11.46
0.0045601 Eth
$174,309.00
15,215.230 LINK
0.0985%
58
Coinbase Exchange
LINK-GBP$11.45
0.0045563 Eth
$167,856.00
14,663.750 LINK
0.0950%
59
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.47
0.0045655 Eth
$159,939.00
162,961.905 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0555%
60
BitDelta
LINK-USDT$11.46
0.0045596 Eth
$158,503.00
13,440.000 LINK
0.0870%
61
OKX
LINK-USDC$11.48
0.0045682 Eth
$142,001.00
12,043.059 LINK
0.0780%
62
Bitso
LINK-USD$11.49
0.0045741 Eth
$139,198.00
12,113.225 LINK
0.0785%
63
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.44
0.0045527 Eth
$132,218.00
11,527.075 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0747%
64
PointPay
LINK-BTC$11.46
0.0045614 Eth
$121,868.00
10,645.919 LINK
0.0690%
65
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.44
0.0045539 Eth
$121,830.00
125,046.215 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.8099%
66
Bitci TR
LINK-TRY$11.45
0.0045561 Eth
$121,730.00
10,306.780 LINK
0.0668%
67
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$11.47
0.0045647 Eth
$116,909.00
10,002.483 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0648%
68
Binance US
LINK-USDT$11.47
0.0045599 Eth
$103,207.00
8,999.951 LINK
0.0583%
69
Coinbase Exchange
LINK-ETH$11.43
0.0045496 Eth
$98,647.00
8,628.760 LINK
0.0559%
70
Slex
LINK-ETH$11.43
0.0045503 Eth
$98,621.00
8,575.260 LINK
0.0555%
71
Bitkub
LINK-THB$11.49
0.0045706 Eth
$66,457.00
5,784.854 LINK
0.0375%
72
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$11.47
0.0045657 Eth
$57,241.00
4,911.984 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0318%
73
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$11.44
0.0045546 Eth
$52,582.00
4,526.907 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0293%
74
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$11.46
0.0045615 Eth
$42,626.00
3,651.202 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0236%
75
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.44
0.0045520 Eth
$36,752.00
37,698.875 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.2442%
76
EXMO
LINK-BTC$11.46
0.0045616 Eth
$34,522.00
3,011.746 LINK
0.0195%
77
Bitcointry
LINK-USDT$11.47
0.0045650 Eth
$32,779.00
2,749.649 LINK
0.0178%
78
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$11.43
0.0045479 Eth
$32,666.00
2,853.807 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0185%
79
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$11.42
0.0045474 Eth
$30,861.00
2,695.669 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0175%
80
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$11.43
0.0045506 Eth
$29,615.00
2,568.579 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0166%
81
KuCoin
LINK-USDC$11.48
0.0045696 Eth
$26,034.00
2,267.673 LINK
0.0147%
82
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.44
0.0045546 Eth
$20,364.00
20,888.445 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.1353%
83
Pangolin
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$11.46
0.0045614 Eth
$18,779.58
1,631.654 0X5947BB275C521040051D82396192181B413227A3
0.0106%
84
Coinone
LINK-KRW$11.48
0.0045678 Eth
$16,656.96
1,451.522 LINK
0.0094%
85
LFJ
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$11.46
0.0045614 Eth
$16,082.04
1,392.909 0X5947BB275C521040051D82396192181B413227A3
0.0090%
86
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.46
0.0045611 Eth
$15,410.14
1,341.624 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0087%
87
KuCoin
LINK-KCS$11.49
0.0045715 Eth
$14,872.86
1,294.962 LINK
0.0084%
88
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.47
0.0045657 Eth
$14,820.13
1,271.103 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0082%
89
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$11.40
0.0045395 Eth
$13,719.78
22.300 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0001%
90
CoinEx
LINK-USDC$11.41
0.0045404 Eth
$13,566.89
1,188.123 LINK
0.0077%
91
PancakeSwap V3 (BSC)
0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$11.42
0.0045450 Eth
$12,010.92
6,973.674 0X0E09FABB73BD3ADE0A17ECC321FD13A19E81CE82
0.0452%
92
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$11.47
0.0045657 Eth
$10,554.17
913.823 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0059%
93
CoinEx
LINK-BTC$11.43
0.0045477 Eth
$8,041.00
702.234 LINK
0.0045%
94
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$11.45
0.0045594 Eth
$7,106.53
607.217 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0039%
95
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$11.40
0.0045340 Eth
$5,188.16
454.465 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0029%
96
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$11.47
0.0045651 Eth
$4,984.54
427.699 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0028%
97
Uniswap V3 (Ethereum)
0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9-0X514910771AF9CA656AF840DFF83E8264ECF986CA$11.47
0.0045640 Eth
$4,527.82
31.542 0X7FC66500C84A76AD7E9C93437BFC5AC33E2DDAE9
0.0002%
98
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$11.45
0.0045594 Eth
$1,834.47
156.618 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0010%
99
Uniswap V3 (Avalanche)
0X5947BB275C521040051D82396192181B413227A3-0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7$11.56
0.0045982 Eth
$1,482.72
127.905 0X5947BB275C521040051D82396192181B413227A3
0.0008%
100
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D$11.42
0.0045476 Eth
$1,144.68
97.634 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0006%

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.