ETH Price: $2,634.48 (+0.84%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

721,833 ( 0.004%)

Market

Price

$11.39 @ 0.004323 ETH (+2.83%)

Onchain Market Cap

$11,390,000,000.00

Circulating Supply Market Cap

$7,157,915,076.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.000000000000000001 LINK

Value
$0.00 ( ~0 Eth) [0.0000%]
0x1bcbd762184d114062ee141082ee2a24c130c88a
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 10254.55% |ETH 0.0003846 1024.02%

Market

Volume (24H):$334,909,390.00
Market Capitalization:$7,157,915,076.00
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$11.47
0.0043083 Eth
$25,178,278.00
2,240,131.570 LINK
14.7918%
2
WhiteBIT
LINK-USDT$11.40
0.0043233 Eth
$14,159,454.00
1,241,940.830 LINK
8.2007%
3
Coinbase Exchange
LINK-USD$11.40
0.0043215 Eth
$13,835,458.00
1,213,210.950 LINK
8.0110%
4
HTX
LINK-USDT$11.41
0.0043233 Eth
$9,202,210.00
820,275.107 LINK
5.4164%
5
Bitget
LINK-USDT$11.41
0.0043235 Eth
$8,823,822.00
786,314.064 LINK
5.1921%
6
Bybit
LINK-USDT$11.41
0.0043257 Eth
$8,765,230.00
781,109.804 LINK
5.1578%
7
P2B
LINK-USDT$11.41
0.0043102 Eth
$5,297,060.00
464,271.240 LINK
3.0656%
8
Azbit
LINK-USDT$11.40
0.0043127 Eth
$4,771,736.00
426,401.310 LINK
2.8156%
9
Slex
LINK-USDT$11.41
0.0043234 Eth
$4,176,291.00
371,593.760 LINK
2.4537%
10
WEEX
LINK-USDT$11.39
0.0043181 Eth
$4,126,617.00
367,466.930 LINK
2.4264%
11
OKX
LINK-USDT$11.39
0.0043204 Eth
$3,715,470.00
330,466.913 LINK
2.1821%
12
BTSE
LINK-USDT$11.39
0.0043034 Eth
$3,690,666.00
323,990.793 LINK
2.1393%
13
Biconomy.com
LINK-USDT$11.40
0.0043185 Eth
$3,566,233.00
317,895.870 LINK
2.0991%
14
DigiFinex
LINK-USDT$11.40
0.0043219 Eth
$3,275,538.00
287,394.180 LINK
1.8977%
15
FameEX
LINK-USDT$11.39
0.0043123 Eth
$2,502,285.00
222,451.956 LINK
1.4689%
16
Deepcoin
LINK-USDT$11.38
0.0043063 Eth
$2,445,164.00
218,191.700 LINK
1.4407%
17
XT.COM
LINK-USDT$11.39
0.0043148 Eth
$2,275,356.00
202,499.120 LINK
1.3371%
18
CoinW
LINK-USDT$11.41
0.0043253 Eth
$2,230,486.00
195,413.940 LINK
1.2903%
19
Trubit
LINK-USDT$11.38
0.0043084 Eth
$2,191,140.00
195,251.880 LINK
1.2893%
20
Upbit
LINK-KRW$11.33
0.0042929 Eth
$2,184,236.00
192,823.435 LINK
1.2732%
21
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$11.37
0.0043105 Eth
$2,124,226.00
187,893.412 0X514910771AF9CA656AF840DFF83E8264ECF986CA
1.2407%
22
Toobit
LINK-USDT$11.40
0.0043193 Eth
$2,070,940.00
184,325.690 LINK
1.2171%
23
Gate.io
LINK-USDT$11.39
0.0043129 Eth
$2,059,303.00
183,940.860 LINK
1.2146%
24
Bitunix
LINK-USDT$11.40
0.0043053 Eth
$1,871,220.00
164,181.020 LINK
1.0841%
25
KuCoin
LINK-USDT$11.40
0.0043205 Eth
$1,831,374.00
160,640.115 LINK
1.0607%
26
Coinstore
LINK-USDT$11.37
0.0043048 Eth
$1,815,092.00
161,656.200 LINK
1.0674%
27
Bitexen
LINK-TRY$11.42
0.0043229 Eth
$1,799,613.00
157,546.510 LINK
1.0403%
28
LBank
LINK-USDT$11.40
0.0043071 Eth
$1,756,650.00
154,074.550 LINK
1.0174%
29
AscendEX (BitMax)
LINK-USDT$11.39
0.0043147 Eth
$1,752,679.00
153,885.800 LINK
1.0161%
30
C-Patex
LINK-USDT$11.40
0.0043217 Eth
$1,703,944.00
149,407.235 LINK
0.9866%
31
Kraken
LINK-USD$11.42
0.0043271 Eth
$1,607,405.00
140,768.706 LINK
0.9295%
32
Niza Global
LINK-USD$11.40
0.0043220 Eth
$1,567,143.00
140,839.608 LINK
0.9300%
33
WhiteBIT
LINK-BTC$11.41
0.0043258 Eth
$1,272,878.00
111,579.570 LINK
0.7368%
34
ProBit Global
LINK-USDT$11.39
0.0043098 Eth
$1,250,762.00
109,858.766 LINK
0.7254%
35
BYDFi
LINK-USDT$11.40
0.0043219 Eth
$1,240,779.00
108,865.360 LINK
0.7188%
36
HashKey Global
LINK-USDT$11.37
0.0043087 Eth
$1,041,703.00
91,385.554 LINK
0.6034%
37
Crypto.com Exchange
LINK-USDT$11.40
0.0043215 Eth
$955,591.00
83,850.430 LINK
0.5537%
38
Azbit
LINK-ETH$11.41
0.0043172 Eth
$880,831.00
77,896.016 LINK
0.5144%
39
Dex-Trade
LINK-USDT$11.39
0.0043111 Eth
$860,261.00
75,537.780 LINK
0.4988%
40
Bitexen
LINK-USDT$11.40
0.0043133 Eth
$814,178.00
71,435.850 LINK
0.4717%
41
LATOKEN
LINK-USDT$11.40
0.0043150 Eth
$778,374.00
68,286.018 LINK
0.4509%
42
FMFW.io
LINK-USDT$11.41
0.0043183 Eth
$675,613.00
59,224.650 LINK
0.3911%
43
Bitvavo
LINK-EUR$11.42
0.0043231 Eth
$672,957.00
58,911.112 LINK
0.3890%
44
HitBTC
LINK-USDT$11.39
0.0043145 Eth
$664,639.00
59,221.140 LINK
0.3910%
45
AscendEX (BitMax)
LINK-BTC$11.36
0.0043037 Eth
$616,446.00
54,263.100 LINK
0.3583%
46
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.48
0.0043466 Eth
$593,204.00
52,347.955 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3457%
47
BigONE
LINK-USDT$11.43
0.0043315 Eth
$558,340.00
48,846.690 LINK
0.3225%
48
BingX
LINK-USDT$11.40
0.0043211 Eth
$527,519.00
46,977.505 LINK
0.3102%
49
Crypto.com Exchange
LINK-USD$11.40
0.0043210 Eth
$510,751.00
44,822.340 LINK
0.2960%
50
Bithumb
LINK-KRW$11.33
0.0042908 Eth
$504,908.00
44,544.342 LINK
0.2941%
51
Gemini
LINK-USD$11.35
0.0043044 Eth
$476,818.00
42,005.520 LINK
0.2774%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.48
0.0043466 Eth
$412,715.00
36,158.723 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2388%
53
PointPay
LINK-USDT$11.38
0.0043073 Eth
$410,381.00
36,508.321 LINK
0.2411%
54
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.47
0.0043443 Eth
$406,819.00
35,549.556 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2347%
55
MEXC
LINK-USDT$11.39
0.0043128 Eth
$371,263.00
32,606.980 LINK
0.2153%
56
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.29
0.0042790 Eth
$358,655.00
31,874.778 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2105%
57
EXMO
LINK-USDT$11.40
0.0043213 Eth
$345,667.00
30,314.306 LINK
0.2002%
58
Pionex
LINK-USDT$11.39
0.0043146 Eth
$342,572.00
30,480.380 LINK
0.2013%
59
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.33
0.0042885 Eth
$280,295.00
24,787.827 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1637%
60
LATOKEN
LINK-BTC$11.39
0.0043107 Eth
$274,842.00
24,135.184 LINK
0.1594%
61
Phemex
LINK-USDT$11.40
0.0043189 Eth
$260,759.00
22,872.530 LINK
0.1510%
62
ProBit Global
LINK-BTC$11.39
0.0043133 Eth
$226,053.00
19,838.836 LINK
0.1310%
63
Bybit
LINK-USDC$11.41
0.0043269 Eth
$210,168.00
18,793.428 LINK
0.1241%
64
BitMart
LINK-BTC$11.39
0.0043180 Eth
$190,218.00
16,704.440 LINK
0.1103%
65
BYDFi
LINK-USDC$11.47
0.0043136 Eth
$158,655.00
13,832.690 LINK
0.0913%
66
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$11.40
0.0043199 Eth
$128,192.00
11,322.204 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0748%
67
BitDelta
LINK-USDT$11.39
0.0043112 Eth
$128,003.00
11,428.000 LINK
0.0755%
68
Coinbase Exchange
LINK-GBP$11.41
0.0043240 Eth
$127,488.00
11,172.730 LINK
0.0738%
69
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.48
0.0043466 Eth
$126,051.00
123,974.310 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.8186%
70
Coinbase Exchange
LINK-ETH$11.40
0.0043242 Eth
$121,886.00
10,688.350 LINK
0.0706%
71
Bitci TR
LINK-TRY$11.37
0.0043097 Eth
$113,008.00
10,088.470 LINK
0.0666%
72
Slex
LINK-BTC$11.38
0.0043134 Eth
$80,436.00
7,068.700 LINK
0.0467%
73
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$11.40
0.0043155 Eth
$69,378.00
6,149.432 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0406%
74
Slex
LINK-ETH$11.39
0.0043155 Eth
$63,950.00
5,666.560 LINK
0.0374%
75
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.48
0.0043466 Eth
$50,524.00
4,467.550 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0295%
76
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.35
0.0042996 Eth
$47,518.00
46,951.785 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.3100%
77
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$11.41
0.0043218 Eth
$46,222.00
4,095.885 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0270%
78
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.47
0.0043462 Eth
$40,644.00
40,001.841 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.2641%
79
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.42
0.0043258 Eth
$29,421.00
2,590.310 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0171%
80
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$11.29
0.0042798 Eth
$28,581.00
2,567.006 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0170%
81
EXMO
LINK-BTC$11.40
0.0043221 Eth
$23,936.00
2,098.751 LINK
0.0139%
82
Mercado Bitcoin
LINK-BRL$11.37
0.0043027 Eth
$21,211.00
1,866.100 LINK
0.0123%
83
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$11.34
0.0042930 Eth
$19,314.19
1,701.048 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0112%
84
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$11.30
0.0042819 Eth
$17,985.48
1,595.420 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0105%
85
Nonkyc.io
LINK-BTC$11.35
0.0043008 Eth
$15,935.30
1,403.696 LINK
0.0093%
86
KuCoin
LINK-KCS$11.36
0.0043051 Eth
$13,607.98
1,197.890 LINK
0.0079%
87
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X2170ED0880AC9A755FD29B2688956BD959F933F8$11.38
0.0043124 Eth
$12,616.78
1,114.358 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0074%
88
Coinone
LINK-KRW$11.30
0.0042844 Eth
$10,253.49
907.513 LINK
0.0060%
89
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X1BFD67037B42CF73ACF2047067BD4F2C47D9BFD6$11.46
0.0043375 Eth
$10,092.40
882.648 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0058%
90
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.29
0.0042798 Eth
$9,621.96
9,488.730 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.0627%
91
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$11.37
0.0043046 Eth
$5,384.24
481.778 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0032%
92
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$11.40
0.0043184 Eth
$3,077.30
272.389 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0018%
93
PancakeSwap V3 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.34
0.0042930 Eth
$1,917.95
169.350 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0011%
94
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$11.47
0.0043440 Eth
$1,568.62
94.928 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0006%
95
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$11.40
0.0043193 Eth
$1,261.42
112.144 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0007%
96
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X7F5C764CBC14F9669B88837CA1490CCA17C31607$11.44
0.0043362 Eth
$857.95
76.479 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0005%
97
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X61299774020DA444AF134C82FA83E3810B309991$11.47
0.0043468 Eth
$769.63
67.561 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0004%
98
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.45
0.0043187 Eth
$298.72
26.398 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0002%
99
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X8F3CF7AD23CD3CADBD9735AFF958023239C6A063$11.42
0.0043080 Eth
$120.26
10.756 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0001%
100
CEX.IO
LINK-USDT$11.39
0.0043112 Eth
$56.52
5.012 LINK
0.0000%

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.