ETH Price: $2,532.21 (+5.34%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

722,638 (0.00%)

Market

Price

$11.27 @ 0.004451 ETH (+9.24%)

Onchain Market Cap

$11,270,000,000.00

Circulating Supply Market Cap

$7,067,885,422.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
2 LINK

Value
$22.54 ( ~0.00890131991588273 Eth) [0.0000%]
0xc55ac0cf5513444b347d6be0d426a1717aca9d6b
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OVERVIEW

A blockchain-based middleware, acting as a bridge between cryptocurrency smart contracts, data feeds, APIs and traditional bank account payments.

Profitability / Loss

Since Initial Offer Price
:$0.11 10145.45% |ETH 0.0003846 1057.31%

Market

Volume (24H):$443,824,090.00
Market Capitalization:$7,067,885,422.00
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
WhiteBIT
LINK-USDT$11.33
0.0044821 Eth
$37,399,410.00
3,301,048.340 LINK
18.6222%
2
Coinbase Exchange
LINK-USD$11.31
0.0044844 Eth
$16,257,110.00
1,437,156.080 LINK
8.1074%
3
HTX
LINK-USDT$11.34
0.0044838 Eth
$12,020,259.00
1,121,931.805 LINK
6.3291%
4
Bitget
LINK-USDT$11.34
0.0044740 Eth
$9,554,995.00
893,185.639 LINK
5.0387%
5
Bybit
LINK-USDT$11.33
0.0044707 Eth
$8,337,089.00
774,440.395 LINK
4.3688%
6
Gate.io
LINK-USDT$11.31
0.0044786 Eth
$7,094,620.00
652,182.310 LINK
3.6791%
7
BTSE
LINK-USDT$11.22
0.0044702 Eth
$6,423,342.00
572,459.848 LINK
3.2294%
8
P2B
LINK-USDT$11.34
0.0044823 Eth
$5,653,540.00
498,498.500 LINK
2.8122%
9
Slex
LINK-USDT$11.29
0.0044683 Eth
$5,522,325.00
515,830.140 LINK
2.9099%
10
OKX
LINK-USDT$11.34
0.0044831 Eth
$5,059,049.00
469,742.071 LINK
2.6499%
11
BVOX
LINK-USDT$11.31
0.0044802 Eth
$5,054,229.00
470,613.650 LINK
2.6549%
12
ProBit Global
LINK-USDT$11.33
0.0044712 Eth
$4,663,419.00
411,708.065 LINK
2.3226%
13
Azbit
LINK-USDT$11.18
0.0044544 Eth
$4,493,976.00
420,798.740 LINK
2.3738%
14
Hotcoin
LINK-USDT$11.33
0.0044736 Eth
$4,402,196.00
388,402.960 LINK
2.1911%
15
DigiFinex
LINK-USDT$11.36
0.0044833 Eth
$4,072,791.00
358,564.570 LINK
2.0228%
16
Bitunix
LINK-USDT$11.33
0.0044845 Eth
$3,681,704.00
325,231.010 LINK
1.8347%
17
Upbit
LINK-KRW$11.27
0.0044481 Eth
$3,614,809.00
320,762.015 LINK
1.8095%
18
Ourbit
LINK-USDT$11.08
0.0044707 Eth
$3,583,250.00
334,065.950 LINK
1.8846%
19
Biconomy.com
LINK-USDT$11.31
0.0044795 Eth
$3,523,879.00
329,117.690 LINK
1.8566%
20
CoinW
LINK-USDT$11.32
0.0044850 Eth
$3,270,933.00
288,954.400 LINK
1.6301%
21
XT.COM
LINK-USDT$11.29
0.0044772 Eth
$2,963,788.00
274,986.310 LINK
1.5513%
22
Trubit
LINK-USDT$11.30
0.0044797 Eth
$2,321,855.00
215,493.150 LINK
1.2157%
23
Coinstore
LINK-USDT$11.32
0.0044871 Eth
$2,019,821.00
187,616.180 LINK
1.0584%
24
LBank
LINK-USDT$11.31
0.0044786 Eth
$1,993,052.00
176,216.100 LINK
0.9941%
25
C-Patex
LINK-USDT$11.29
0.0044711 Eth
$1,966,951.00
174,198.987 LINK
0.9827%
26
AscendEX (BitMax)
LINK-USDT$11.33
0.0044706 Eth
$1,797,429.00
158,709.100 LINK
0.8953%
27
KuCoin
LINK-USDT$11.33
0.0044730 Eth
$1,638,975.00
144,640.085 LINK
0.8160%
28
Kraken
LINK-USD$11.31
0.0044659 Eth
$1,596,008.00
141,070.136 LINK
0.7958%
29
Binance
LINK-FDUSD$11.35
0.0044793 Eth
$1,540,631.00
142,031.010 LINK
0.8012%
30
BYDFi
LINK-USDT$11.29
0.0044877 Eth
$1,502,355.00
133,031.530 LINK
0.7505%
31
Binance
LINK-BTC$11.22
0.0044774 Eth
$1,427,491.00
128,588.610 LINK
0.7254%
32
Bithumb
LINK-KRW$11.29
0.0044625 Eth
$1,392,312.00
123,311.513 LINK
0.6956%
33
WhiteBIT
LINK-BTC$11.31
0.0044733 Eth
$1,229,586.00
108,743.530 LINK
0.6135%
34
Tokpie
LINK-USDT$11.08
0.0043800 Eth
$1,102,736.00
99,504.733 LINK
0.5613%
35
Bitvavo
LINK-EUR$11.29
0.0044751 Eth
$1,046,598.00
92,741.779 LINK
0.5232%
36
Dex-Trade
LINK-USDT$11.32
0.0044696 Eth
$1,031,138.00
91,066.546 LINK
0.5137%
37
Azbit
LINK-ETH$11.30
0.0044619 Eth
$860,969.00
77,503.498 LINK
0.4372%
38
HashKey Global
LINK-USDT$11.31
0.0044807 Eth
$841,769.00
79,509.095 LINK
0.4485%
39
BigONE
LINK-USDT$11.29
0.0044746 Eth
$796,195.00
70,527.630 LINK
0.3979%
40
Binance
LINK-USDC$11.18
0.0044812 Eth
$707,620.00
65,977.750 LINK
0.3722%
41
AscendEX (BitMax)
LINK-BTC$11.39
0.0044965 Eth
$629,325.00
55,246.800 LINK
0.3117%
42
LATOKEN
LINK-USDT$11.32
0.0044879 Eth
$576,073.00
50,877.553 LINK
0.2870%
43
EXMO
LINK-USDT$11.32
0.0044772 Eth
$527,375.00
46,599.633 LINK
0.2629%
44
CoinEx
LINK-USDT$11.33
0.0044793 Eth
$504,017.00
46,812.038 LINK
0.2641%
45
tanX
LINK-USDC$11.32
0.0044782 Eth
$495,264.00
46,267.800 LINK
0.2610%
46
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.25
0.0044512 Eth
$431,862.00
38,883.386 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2194%
47
PointPay
LINK-USDT$11.25
0.0044721 Eth
$381,402.00
35,394.706 LINK
0.1997%
48
WhiteBIT
LINK-TRY$11.37
0.0044868 Eth
$367,074.00
32,294.610 LINK
0.1822%
49
WhiteBIT
LINK-EUR$11.25
0.0044507 Eth
$336,654.00
29,924.610 LINK
0.1688%
50
Phemex
LINK-USDT$11.30
0.0044812 Eth
$323,889.00
28,652.460 LINK
0.1616%
51
Gemini
LINK-USD$11.32
0.0044669 Eth
$312,933.00
27,651.204 LINK
0.1560%
52
Bybit
LINK-USDC$11.35
0.0044796 Eth
$307,404.00
28,552.345 LINK
0.1611%
53
LATOKEN
LINK-BTC$11.29
0.0044753 Eth
$280,992.00
24,890.249 LINK
0.1404%
54
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.25
0.0044487 Eth
$278,805.00
25,071.153 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1414%
55
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.12
0.0044002 Eth
$270,012.00
24,572.020 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1386%
56
EarnBIT
LINK-USDT$11.43
0.0045276 Eth
$247,097.00
22,711.630 LINK
0.1281%
57
Coinbase Exchange
LINK-EUR$11.29
0.0044776 Eth
$228,013.00
20,187.390 LINK
0.1139%
58
BYDFi
LINK-USDC$11.24
0.0044776 Eth
$223,857.00
19,917.610 LINK
0.1124%
59
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$11.29
0.0044658 Eth
$223,036.00
20,180.622 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1138%
60
Coinbase Exchange
LINK-GBP$11.29
0.0044748 Eth
$213,874.00
18,947.190 LINK
0.1069%
61
BitMart
LINK-BTC$11.31
0.0044747 Eth
$210,564.00
18,616.080 LINK
0.1050%
62
Slex
LINK-ETH$11.31
0.0044736 Eth
$195,774.00
17,668.060 LINK
0.0997%
63
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$11.33
0.0044815 Eth
$176,465.00
15,894.522 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0897%
64
BitDelta
LINK-USDT$11.25
0.0044718 Eth
$172,317.00
16,130.000 LINK
0.0910%
65
Bitbank
LINK-JPY$11.34
0.0044756 Eth
$157,113.00
13,855.901 LINK
0.0782%
66
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.29
0.0044664 Eth
$149,281.00
143,144.354 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.8075%
67
Binance
LINK-ETH$11.23
0.0044506 Eth
$142,971.00
12,929.040 LINK
0.0729%
68
Binance
LINK-EUR$11.33
0.0044700 Eth
$136,517.00
12,734.480 LINK
0.0718%
69
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$11.28
0.0044697 Eth
$133,362.00
12,055.700 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0680%
70
OKX
LINK-USDC$11.34
0.0044806 Eth
$127,995.00
11,841.542 LINK
0.0668%
71
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$11.28
0.0044575 Eth
$117,259.00
10,844.696 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0612%
72
Bitci TR
LINK-TRY$11.34
0.0044953 Eth
$110,641.00
10,309.930 LINK
0.0582%
73
Slex
LINK-BTC$11.31
0.0044733 Eth
$88,688.00
7,961.200 LINK
0.0449%
74
Bitkub
LINK-THB$11.23
0.0044479 Eth
$83,438.00
7,428.074 LINK
0.0419%
75
Binance
LINK-TRY$11.31
0.0044950 Eth
$81,379.00
7,543.380 LINK
0.0426%
76
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.32
0.0044891 Eth
$77,336.00
73,486.061 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.4146%
77
GMO Japan
LINK-JPY$11.31
0.0044640 Eth
$61,492.00
5,437.600 LINK
0.0307%
78
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$11.25
0.0044512 Eth
$57,909.00
5,385.819 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0304%
79
Bitso
LINK-USD$11.32
0.0044831 Eth
$57,162.00
5,048.901 LINK
0.0285%
80
PointPay
LINK-BTC$11.17
0.0044808 Eth
$54,616.00
4,941.954 LINK
0.0279%
81
Binance
LINK-BRL$11.17
0.0044578 Eth
$53,195.00
4,883.540 LINK
0.0275%
82
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$11.29
0.0044664 Eth
$53,036.00
4,905.947 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0277%
83
Kraken
LINK-GBP$11.31
0.0044651 Eth
$51,825.00
4,581.634 LINK
0.0258%
84
Mercado Bitcoin
LINK-BRL$11.28
0.0044508 Eth
$38,726.00
3,434.596 LINK
0.0194%
85
Binance
LINK-BNB$11.31
0.0044821 Eth
$37,267.00
3,396.978 LINK
0.0192%
86
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$11.12
0.0044002 Eth
$34,345.00
33,312.403 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.1879%
87
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$11.30
0.0044595 Eth
$32,121.00
2,884.098 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0163%
88
KuCoin
LINK-USDC$11.34
0.0044776 Eth
$31,675.00
2,792.405 LINK
0.0158%
89
Bitcointry
LINK-USDT$11.29
0.0044750 Eth
$29,602.00
2,754.735 LINK
0.0155%
90
Coinbase Exchange
LINK-ETH$11.30
0.0044676 Eth
$28,039.00
2,480.450 LINK
0.0140%
91
Binance US
LINK-USDT$11.26
0.0044642 Eth
$25,796.00
2,290.358 LINK
0.0129%
92
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$11.09
0.0044711 Eth
$25,748.00
2,355.975 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0133%
93
EXMO
LINK-BTC$11.36
0.0044929 Eth
$25,602.00
2,254.305 LINK
0.0127%
94
Nonkyc.io
LINK-BTC$11.38
0.0044920 Eth
$19,475.34
1,748.613 LINK
0.0099%
95
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4$11.25
0.0044512 Eth
$19,303.79
18,474.220 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.1042%
96
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$11.25
0.0044582 Eth
$18,206.93
1,645.222 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0093%
97
CoinEx
LINK-BTC$11.12
0.0044565 Eth
$17,449.51
1,568.326 LINK
0.0088%
98
BTCMarkets
LINK-AUD$11.30
0.0044603 Eth
$16,937.72
1,498.845 LINK
0.0085%
99
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$11.29
0.0044670 Eth
$14,209.17
1,275.768 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0072%
100
Bitlo
LINK-TRY$11.28
0.0044751 Eth
$9,246.61
866.626 LINK
0.0049%

Contract Source Code Verified (Exact Match)

Contract Name:
LinkToken

Compiler Version
v0.4.16+commit.d7661dd9

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Audited

Contract Source Code (Solidity)Audit Report

/**
 *Submitted for verification at Etherscan.io on 2017-09-23
*/

pragma solidity ^0.4.16;


/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal constant returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  function sub(uint256 a, uint256 b) internal constant returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal constant returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}


/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  uint256 public totalSupply;
  function balanceOf(address who) constant returns (uint256);
  function transfer(address to, uint256 value) returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}
/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) constant returns (uint256);
  function transferFrom(address from, address to, uint256 value) returns (bool);
  function approve(address spender, uint256 value) returns (bool);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

contract ERC677 is ERC20 {
  function transferAndCall(address to, uint value, bytes data) returns (bool success);

  event Transfer(address indexed from, address indexed to, uint value, bytes data);
}

contract ERC677Receiver {
  function onTokenTransfer(address _sender, uint _value, bytes _data);
}

/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) returns (bool) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of. 
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) constant returns (uint256 balance) {
    return balances[_owner];
  }

}


/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value) returns (bool) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // require (_value <= _allowance);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) returns (bool) {
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Function to check the amount of tokens that an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint256 specifying the amount of tokens still available for the spender.
   */
  function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
    return allowed[_owner][_spender];
  }
  
    /*
   * approve should be called when allowed[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until 
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   */
  function increaseApproval (address _spender, uint _addedValue) 
    returns (bool success) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  function decreaseApproval (address _spender, uint _subtractedValue) 
    returns (bool success) {
    uint oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

contract ERC677Token is ERC677 {

  /**
  * @dev transfer token to a contract address with additional data if the recipient is a contact.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  * @param _data The extra data to be passed to the receiving contract.
  */
  function transferAndCall(address _to, uint _value, bytes _data)
    public
    returns (bool success)
  {
    super.transfer(_to, _value);
    Transfer(msg.sender, _to, _value, _data);
    if (isContract(_to)) {
      contractFallback(_to, _value, _data);
    }
    return true;
  }


  // PRIVATE

  function contractFallback(address _to, uint _value, bytes _data)
    private
  {
    ERC677Receiver receiver = ERC677Receiver(_to);
    receiver.onTokenTransfer(msg.sender, _value, _data);
  }

  function isContract(address _addr)
    private
    returns (bool hasCode)
  {
    uint length;
    assembly { length := extcodesize(_addr) }
    return length > 0;
  }

}

contract LinkToken is StandardToken, ERC677Token {

  uint public constant totalSupply = 10**27;
  string public constant name = 'ChainLink Token';
  uint8 public constant decimals = 18;
  string public constant symbol = 'LINK';

  function LinkToken()
    public
  {
    balances[msg.sender] = totalSupply;
  }

  /**
  * @dev transfer token to a specified address with additional data if the recipient is a contract.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  * @param _data The extra data to be passed to the receiving contract.
  */
  function transferAndCall(address _to, uint _value, bytes _data)
    public
    validRecipient(_to)
    returns (bool success)
  {
    return super.transferAndCall(_to, _value, _data);
  }

  /**
  * @dev transfer token to a specified address.
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint _value)
    public
    validRecipient(_to)
    returns (bool success)
  {
    return super.transfer(_to, _value);
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value)
    public
    validRecipient(_spender)
    returns (bool)
  {
    return super.approve(_spender,  _value);
  }

  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value)
    public
    validRecipient(_to)
    returns (bool)
  {
    return super.transferFrom(_from, _to, _value);
  }


  // MODIFIERS

  modifier validRecipient(address _recipient) {
    require(_recipient != address(0) && _recipient != address(this));
    _;
  }

}

Contract Security Audit

Contract ABI

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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