ETH Price: $2,678.85 (+1.57%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

733,392 ( 0.033%)

Market

Price

$18.81 @ 0.007022 ETH (+2.19%)

Onchain Market Cap

$18,810,000,000.00

Circulating Supply Market Cap

$12,002,265,333.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x8d1a751cff651caeba19d4e208f485bb597907e6
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 17000% |ETH 0.0003846 1725.79%

Market

Volume (24H):$653,351,709.00
Market Capitalization:$12,002,265,333.00
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$18.82
0.0070405 Eth
$85,885,018.00
4,669,843.480 LINK
22.6521%
2
Coinbase Exchange
LINK-USD$18.88
0.0070565 Eth
$35,038,895.00
1,856,365.290 LINK
9.0047%
3
Bybit
LINK-USDT$18.88
0.0070570 Eth
$31,421,446.00
1,712,278.083 LINK
8.3058%
4
HTX
LINK-USDT$18.90
0.0070633 Eth
$18,079,567.00
977,063.384 LINK
4.7395%
5
P2B
LINK-USDT$18.87
0.0070550 Eth
$16,996,041.00
900,595.710 LINK
4.3685%
6
Slex
LINK-USDT$18.79
0.0070344 Eth
$15,727,892.00
848,211.360 LINK
4.1144%
7
DigiFinex
LINK-USDT$18.90
0.0070635 Eth
$10,899,911.00
576,825.470 LINK
2.7980%
8
OKX
LINK-USDT$18.87
0.0070552 Eth
$10,700,186.00
580,540.870 LINK
2.8160%
9
Gate.io
LINK-USDT$18.87
0.0070559 Eth
$10,378,955.00
566,753.440 LINK
2.7492%
10
MEXC
LINK-USDT$18.89
0.0070659 Eth
$9,025,654.00
477,720.290 LINK
2.3173%
11
XT.COM
LINK-USDT$18.86
0.0070531 Eth
$8,516,775.00
463,026.080 LINK
2.2460%
12
Coinstore
LINK-USDT$18.83
0.0070399 Eth
$7,319,704.00
397,604.690 LINK
1.9287%
13
BTSE
LINK-USDT$18.86
0.0070533 Eth
$6,953,503.00
368,675.817 LINK
1.7883%
14
Bitunix
LINK-USDT$18.90
0.0070645 Eth
$6,201,538.00
328,066.810 LINK
1.5914%
15
CoinW
LINK-USDT$18.87
0.0070581 Eth
$6,190,521.00
328,023.740 LINK
1.5912%
16
Binance
LINK-USDC$18.91
0.0070688 Eth
$6,072,840.00
331,127.730 LINK
1.6062%
17
Binance
LINK-FDUSD$18.85
0.0070503 Eth
$5,833,680.00
316,336.290 LINK
1.5345%
18
Hotcoin
LINK-USDT$18.86
0.0070546 Eth
$5,753,608.00
305,018.370 LINK
1.4796%
19
KuCoin
LINK-USDT$18.89
0.0070606 Eth
$5,672,561.00
300,342.560 LINK
1.4569%
20
BYDFi
LINK-USDT$18.84
0.0070557 Eth
$4,924,472.00
261,344.130 LINK
1.2677%
21
Kraken
LINK-USD$18.88
0.0070596 Eth
$4,478,308.00
237,145.617 LINK
1.1503%
22
LATOKEN
LINK-USDT$18.88
0.0070576 Eth
$4,188,589.00
221,863.824 LINK
1.0762%
23
Bitvavo
LINK-EUR$18.82
0.0070452 Eth
$4,023,476.00
213,767.803 LINK
1.0369%
24
Coinbase Exchange
LINK-EUR$18.90
0.0070664 Eth
$3,884,601.00
205,496.670 LINK
0.9968%
25
QMall
LINK-USDT$18.86
0.0070552 Eth
$3,496,756.00
190,224.698 LINK
0.9227%
26
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.85
0.0070457 Eth
$3,020,848.00
161,439.740 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.7831%
27
Dex-Trade
LINK-USDT$18.87
0.0070550 Eth
$2,865,865.00
151,858.072 LINK
0.7366%
28
WhiteBIT
LINK-USDT$18.82
0.0070450 Eth
$2,747,038.00
145,982.760 LINK
0.7081%
29
FMCPAY
LINK-USDT$18.87
0.0070552 Eth
$2,451,825.00
132,797.537 LINK
0.6442%
30
Coinbase Exchange
LINK-GBP$18.88
0.0070587 Eth
$1,985,518.00
105,192.390 LINK
0.5103%
31
Biconomy.com
LINK-USDT$18.87
0.0070585 Eth
$1,559,816.00
84,494.210 LINK
0.4099%
32
FMCPAY
LINK-ETH$18.87
0.0070551 Eth
$1,356,659.00
72,338.560 LINK
0.3509%
33
PointPay
LINK-USDT$18.85
0.0070514 Eth
$1,307,868.00
71,104.473 LINK
0.3449%
34
CoinEx
LINK-USDT$18.84
0.0070450 Eth
$1,300,873.00
70,376.160 LINK
0.3414%
35
FMCPAY
LINK-BTC$18.85
0.0070605 Eth
$1,109,089.00
59,789.900 LINK
0.2900%
36
Trubit
LINK-USDT$18.86
0.0070522 Eth
$966,548.00
52,192.170 LINK
0.2532%
37
Phemex
LINK-USDT$18.87
0.0070552 Eth
$960,291.00
50,883.210 LINK
0.2468%
38
EXMO
LINK-USDT$18.88
0.0070590 Eth
$894,268.00
47,356.674 LINK
0.2297%
39
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$18.89
0.0070608 Eth
$844,056.00
46,089.582 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2236%
40
Tokpie
LINK-USDT$18.81
0.0070370 Eth
$842,766.00
44,797.145 LINK
0.2173%
41
tanX
LINK-USDC$18.89
0.0070637 Eth
$813,775.00
43,990.440 LINK
0.2134%
42
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$18.89
0.0070649 Eth
$804,239.00
85,378.626 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.4141%
43
BigONE
LINK-USDT$18.89
0.0070662 Eth
$783,579.00
41,475.310 LINK
0.2012%
44
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.89
0.0070608 Eth
$778,647.00
41,610.338 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2018%
45
Bitbank
LINK-JPY$18.92
0.0070747 Eth
$750,371.00
39,650.633 LINK
0.1923%
46
BitStorage
LINK-USDT$18.88
0.0070589 Eth
$719,489.00
38,101.900 LINK
0.1848%
47
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.88
0.0070573 Eth
$637,139.00
33,626.566 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1631%
48
WhiteBIT
LINK-TRY$18.91
0.0070718 Eth
$610,868.00
32,303.400 LINK
0.1567%
49
Binance
LINK-TRY$18.84
0.0070474 Eth
$597,231.00
32,345.060 LINK
0.1569%
50
Binance
LINK-EUR$18.91
0.0070700 Eth
$539,320.00
29,365.730 LINK
0.1424%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.86
0.0070514 Eth
$523,024.00
27,959.123 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1356%
52
Bybit
LINK-USDC$18.89
0.0070606 Eth
$520,836.00
28,282.742 LINK
0.1372%
53
EarnBIT
LINK-USDT$18.90
0.0070659 Eth
$503,343.00
27,318.191 LINK
0.1325%
54
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.76
0.0070139 Eth
$498,495.00
27,403.672 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1329%
55
QMall
LINK-USDC$18.87
0.0070574 Eth
$484,773.00
26,423.073 LINK
0.1282%
56
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.89
0.0070608 Eth
$472,677.00
460,481.904 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.2337%
57
WhiteBIT
LINK-BTC$18.85
0.0070517 Eth
$415,183.00
22,021.140 LINK
0.1068%
58
HashKey Exchange
LINK-USD$18.83
0.0070424 Eth
$398,144.00
21,512.748 LINK
0.1044%
59
Gemini
LINK-USD$18.91
0.0070684 Eth
$385,213.00
20,371.431 LINK
0.0988%
60
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.90
0.0070640 Eth
$326,856.00
17,481.983 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0848%
61
WhiteBIT
LINK-EUR$18.84
0.0070445 Eth
$309,082.00
16,401.490 LINK
0.0796%
62
Slex
LINK-ETH$18.86
0.0070507 Eth
$307,639.00
16,394.210 LINK
0.0795%
63
BitDelta
LINK-USDT$18.87
0.0070585 Eth
$292,428.00
15,861.000 LINK
0.0769%
64
OKX
LINK-USDC$18.87
0.0070546 Eth
$286,283.00
15,450.829 LINK
0.0749%
65
BitMart
LINK-BTC$18.89
0.0070627 Eth
$274,716.00
14,540.980 LINK
0.0705%
66
Coinbase Exchange
LINK-ETH$18.89
0.0070626 Eth
$263,545.00
13,949.740 LINK
0.0677%
67
LATOKEN
LINK-BTC$18.88
0.0070579 Eth
$246,968.00
13,080.999 LINK
0.0635%
68
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.89
0.0070649 Eth
$241,634.00
13,225.700 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0642%
69
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.89
0.0070613 Eth
$219,617.00
11,897.602 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0577%
70
BitStorage
LINK-ETH$18.87
0.0070580 Eth
$211,337.00
11,200.140 LINK
0.0543%
71
Hotcoin
LINK-BTC$18.87
0.0070569 Eth
$200,773.00
10,640.460 LINK
0.0516%
72
Bitso
LINK-USD$18.79
0.0070190 Eth
$194,005.00
10,322.491 LINK
0.0501%
73
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$18.85
0.0070457 Eth
$184,418.00
179,328.320 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.8699%
74
BYDFi
LINK-USDC$18.75
0.0070201 Eth
$180,230.00
9,611.640 LINK
0.0466%
75
GMO Japan
LINK-JPY$18.85
0.0070487 Eth
$171,249.00
9,083.000 LINK
0.0441%
76
Coinbase Exchange
LINK-BTC$18.85
0.0070476 Eth
$159,250.00
8,450.300 LINK
0.0410%
77
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$18.85
0.0070471 Eth
$158,684.00
8,591.331 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0417%
78
KuCoin
LINK-USDC$18.90
0.0070648 Eth
$157,591.00
8,338.971 LINK
0.0405%
79
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$18.81
0.0070307 Eth
$156,706.00
8,424.763 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0409%
80
CoinTR
LINK-TRY$18.90
0.0070683 Eth
$139,783.00
7,517.930 LINK
0.0365%
81
Kraken
LINK-GBP$18.80
0.0070284 Eth
$131,903.00
7,015.780 LINK
0.0340%
82
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XDAC17F958D2EE523A2206206994597C13D831EC7$18.89
0.0070649 Eth
$129,709.00
7,073.291 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0343%
83
OKX
LINK-EUR$18.81
0.0070320 Eth
$128,283.00
6,884.890 LINK
0.0334%
84
Bitkub
LINK-THB$18.78
0.0070294 Eth
$115,786.00
6,165.981 LINK
0.0299%
85
Uniswap V4 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.77
0.0070181 Eth
$109,258.00
107,044.345 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.5192%
86
BitMart
LINK-ETH$18.88
0.0070589 Eth
$83,254.00
4,409.040 LINK
0.0214%
87
Uniswap V4 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.87
0.0070543 Eth
$69,391.00
3,707.184 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0180%
88
PancakeSwap (v2)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$18.88
0.0070590 Eth
$66,972.00
3,632.368 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0176%
89
Binance US
LINK-USDT$18.85
0.0070475 Eth
$56,932.00
3,019.956 LINK
0.0146%
90
Hotcoin
LINK-ETH$18.86
0.0070522 Eth
$55,145.00
2,924.420 LINK
0.0142%
91
Bitexen
LINK-TRY$18.72
0.0070101 Eth
$33,476.00
1,787.841 LINK
0.0087%
92
Dex-Trade
LINK-ETH$18.89
0.0070606 Eth
$30,112.00
1,594.250 LINK
0.0077%
93
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.84
0.0070438 Eth
$29,654.00
1,567.485 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0076%
94
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFA7F8980B0F1E64A2062791CC3B0871572F1F7F0$18.82
0.0070388 Eth
$27,995.00
1,467.898 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0071%
95
Uniswap V4 (Arbitrum)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.73
0.0070024 Eth
$24,996.00
1,362.083 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0066%
96
Mercado Bitcoin
LINK-BRL$18.95
0.0070850 Eth
$23,680.00
1,249.540 LINK
0.0061%
97
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.88
0.0070605 Eth
$22,697.00
22,067.295 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.1070%
98
THENA FUSION
0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827-0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD$18.84
0.0070432 Eth
$21,465.00
31.704 0X52F24A5E03AEE338DA5FD9DF68D2B6FAE1178827
0.0002%
99
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0XC2132D05D31C914A87C6611C10748AEB04B58E8F$18.87
0.0070577 Eth
$21,435.00
1,167.096 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0057%
100
Uniswap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0X55D398326F99059FF775485246999027B3197955$18.84
0.0070412 Eth
$17,206.90
940.745 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0046%

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.