ETH Price: $2,363.31 (+6.86%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

741,202 ( 0.008%)

Market

Price

$16.52 @ 0.006990 ETH (+12.37%)

Onchain Market Cap

$16,520,000,000.00

Circulating Supply Market Cap

$10,554,924,057.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0xa6e82265735141b76a06bcbebb73ee54be2b659c
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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 14918.18% |ETH 0.0003846 1717.47%

Market

Volume (24H):$1,264,413,585.00
Market Capitalization:$10,554,924,057.00
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$16.51
0.0069825 Eth
$165,031,095.00
10,062,231.020 LINK
20.7759%
2
Coinbase Exchange
LINK-USD$16.50
0.0069742 Eth
$68,439,699.00
4,147,609.150 LINK
8.5637%
3
WhiteBIT
LINK-USDT$16.47
0.0069650 Eth
$66,744,517.00
4,052,203.270 LINK
8.3668%
4
HTX
LINK-USDT$16.51
0.0069836 Eth
$31,706,677.00
1,914,269.874 LINK
3.9525%
5
Gate.io
LINK-USDT$16.50
0.0069737 Eth
$31,329,566.00
1,908,144.660 LINK
3.9398%
6
OKX
LINK-USDT$16.51
0.0069775 Eth
$26,190,132.00
1,586,262.787 LINK
3.2752%
7
Ourbit
LINK-USDT$16.51
0.0069784 Eth
$24,629,589.00
1,501,920.180 LINK
3.1011%
8
Bybit
LINK-USDT$16.52
0.0069836 Eth
$24,326,535.00
1,473,343.353 LINK
3.0421%
9
DigiFinex
LINK-USDT$16.52
0.0069850 Eth
$21,626,547.00
1,309,223.640 LINK
2.7032%
10
Bitget
LINK-USDT$16.51
0.0069794 Eth
$17,932,999.00
1,086,081.405 LINK
2.2425%
11
XT.COM
LINK-USDT$16.56
0.0069826 Eth
$16,549,094.00
1,008,918.290 LINK
2.0832%
12
Binance
LINK-USDC$16.50
0.0069786 Eth
$15,977,880.00
974,057.870 LINK
2.0112%
13
P2B
LINK-USDT$16.50
0.0069729 Eth
$15,513,408.00
940,434.680 LINK
1.9418%
14
MEXC
LINK-EUR$16.52
0.0069804 Eth
$15,040,368.00
910,259.430 LINK
1.8795%
15
MEXC
LINK-USDC$16.52
0.0069812 Eth
$14,565,570.00
881,826.200 LINK
1.8207%
16
LBank
LINK-USDT$16.51
0.0069802 Eth
$14,502,567.00
878,217.950 LINK
1.8133%
17
Hotcoin
LINK-USDT$16.48
0.0069604 Eth
$13,626,073.00
826,779.399 LINK
1.7071%
18
Coinstore
LINK-USDT$16.47
0.0069658 Eth
$12,414,983.00
756,476.290 LINK
1.5619%
19
KuCoin
LINK-USDT$16.51
0.0069771 Eth
$12,135,998.00
735,227.784 LINK
1.5181%
20
Binance
LINK-FDUSD$16.45
0.0069548 Eth
$11,072,705.00
673,406.850 LINK
1.3904%
21
CoinW
LINK-USDT$16.50
0.0069799 Eth
$10,875,714.00
658,939.180 LINK
1.3605%
22
Kraken
LINK-USD$16.52
0.0069847 Eth
$10,339,154.00
625,692.028 LINK
1.2919%
23
Azbit
LINK-USDT$16.51
0.0069794 Eth
$9,853,214.00
600,750.124 LINK
1.2404%
24
Slex
LINK-USDT$16.50
0.0069688 Eth
$9,755,439.00
590,781.860 LINK
1.2198%
25
Bitunix
LINK-USDT$16.51
0.0069780 Eth
$9,485,350.00
574,697.710 LINK
1.1866%
26
BYDFi
LINK-USDT$16.56
0.0069872 Eth
$9,253,526.00
558,718.370 LINK
1.1536%
27
QMall
LINK-USDT$16.51
0.0069794 Eth
$6,827,482.00
415,629.556 LINK
0.8582%
28
LATOKEN
LINK-USDT$16.56
0.0069788 Eth
$6,463,736.00
390,384.762 LINK
0.8060%
29
Bitvavo
LINK-EUR$16.56
0.0069816 Eth
$5,891,110.00
355,770.352 LINK
0.7346%
30
Binance
LINK-BTC$16.57
0.0069847 Eth
$5,814,863.00
347,211.630 LINK
0.7169%
31
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$16.50
0.0069739 Eth
$4,763,756.00
294,021.846 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.6071%
32
CoinEx
LINK-USDT$16.54
0.0069783 Eth
$4,172,142.00
251,836.689 LINK
0.5200%
33
BTSE
LINK-USDT$16.54
0.0069755 Eth
$3,755,804.00
227,014.077 LINK
0.4687%
34
Biconomy.com
LINK-USDT$16.52
0.0069861 Eth
$3,431,029.00
212,377.679 LINK
0.4385%
35
Coinbase Exchange
LINK-EUR$16.59
0.0070101 Eth
$3,397,092.00
204,817.400 LINK
0.4229%
36
FMCPAY
LINK-USDT$16.51
0.0069771 Eth
$3,345,755.00
204,532.853 LINK
0.4223%
37
Dex-Trade
LINK-USDT$16.50
0.0069732 Eth
$3,291,550.00
199,471.140 LINK
0.4119%
38
Hibt
LINK-USDT$16.49
0.0069584 Eth
$3,175,378.00
192,399.147 LINK
0.3973%
39
Gemini
LINK-USD$16.55
0.0069988 Eth
$2,859,789.00
172,783.865 LINK
0.3568%
40
Coinbase Exchange
LINK-GBP$16.52
0.0069830 Eth
$2,816,048.00
170,444.620 LINK
0.3519%
41
Tokpie
LINK-USDT$16.49
0.0069756 Eth
$2,626,490.00
159,231.504 LINK
0.3288%
42
Binance
LINK-ETH$16.54
0.0069730 Eth
$2,502,889.00
153,882.590 LINK
0.3177%
43
Kraken
LINK-EUR$16.56
0.0069987 Eth
$2,202,726.00
133,035.684 LINK
0.2747%
44
PointPay
LINK-USDT$16.58
0.0069869 Eth
$2,198,607.00
134,556.493 LINK
0.2778%
45
BigONE
LINK-USDT$16.57
0.0070032 Eth
$2,038,991.00
123,056.010 LINK
0.2541%
46
LATOKEN
LINK-BTC$16.51
0.0069769 Eth
$1,774,687.00
107,508.481 LINK
0.2220%
47
Kraken
LINK-USDT$16.61
0.0070203 Eth
$1,715,918.00
103,315.713 LINK
0.2133%
48
Bitbank
LINK-JPY$16.67
0.0070292 Eth
$1,604,382.00
96,218.538 LINK
0.1987%
49
Phemex
LINK-USDT$16.51
0.0069752 Eth
$1,585,632.00
96,063.720 LINK
0.1983%
50
FMCPAY
LINK-ETH$16.58
0.0069874 Eth
$1,508,381.00
92,754.720 LINK
0.1915%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$16.60
0.0070150 Eth
$1,464,422.00
89,858.829 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1855%
52
FMCPAY
LINK-BTC$16.52
0.0069874 Eth
$1,384,390.00
83,412.700 LINK
0.1722%
53
Binance
LINK-EUR$16.54
0.0069960 Eth
$1,305,232.00
78,438.240 LINK
0.1620%
54
EarnBIT
LINK-USDT$16.49
0.0069636 Eth
$1,247,719.00
75,634.181 LINK
0.1562%
55
QMall
LINK-USDC$16.58
0.0069867 Eth
$1,246,749.00
75,889.142 LINK
0.1567%
56
EXMO
LINK-USDT$16.52
0.0069848 Eth
$1,158,561.00
70,145.740 LINK
0.1448%
57
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$16.50
0.0069726 Eth
$1,099,726.00
68,276.649 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1410%
58
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$16.57
0.0070041 Eth
$1,070,006.00
67,931.338 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1403%
59
WhiteBIT
LINK-BTC$16.50
0.0069698 Eth
$1,043,850.00
63,273.140 LINK
0.1306%
60
BitStorage
LINK-USDT$16.50
0.0069729 Eth
$876,237.00
53,118.140 LINK
0.1097%
61
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$16.50
0.0069742 Eth
$864,319.00
52,226.234 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1078%
62
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$16.57
0.0070028 Eth
$832,990.00
103,077.078 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2128%
63
Trubit
LINK-USDT$16.50
0.0069693 Eth
$778,565.00
47,528.430 LINK
0.0981%
64
Bybit
LINK-USDC$16.51
0.0069828 Eth
$762,399.00
46,385.626 LINK
0.0958%
65
Binance
LINK-TRY$16.53
0.0069850 Eth
$741,677.00
45,255.870 LINK
0.0934%
66
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$16.46
0.0069565 Eth
$706,584.00
43,319.942 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0894%
67
XT.COM
LINK-ETH$16.53
0.0069822 Eth
$697,128.00
42,875.260 LINK
0.0885%
68
OKX
LINK-USDC$16.53
0.0069867 Eth
$692,767.00
41,853.959 LINK
0.0864%
69
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$16.57
0.0070033 Eth
$616,399.00
37,928.327 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0783%
70
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$16.60
0.0070150 Eth
$605,946.00
601,569.815 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.2421%
71
tanX
LINK-USDC$16.59
0.0069936 Eth
$563,897.00
34,552.870 LINK
0.0713%
72
WhiteBIT
LINK-TRY$16.51
0.0069824 Eth
$517,492.00
31,339.790 LINK
0.0647%
73
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$16.56
0.0069962 Eth
$509,414.00
31,300.261 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0646%
74
Hotcoin
LINK-BTC$16.56
0.0069831 Eth
$507,201.00
30,618.930 LINK
0.0632%
75
GMO Japan
LINK-JPY$16.50
0.0069724 Eth
$497,150.00
30,123.600 LINK
0.0622%
76
Coinbase Exchange
LINK-USDT$16.52
0.0069700 Eth
$494,765.00
29,955.311 LINK
0.0618%
77
BYDFi
LINK-USDC$16.47
0.0069645 Eth
$473,590.00
28,753.310 LINK
0.0594%
78
Coinbase Exchange
LINK-BTC$16.57
0.0069981 Eth
$467,719.00
28,235.200 LINK
0.0583%
79
HashKey Exchange
LINK-USD$16.58
0.0069971 Eth
$464,972.00
28,189.450 LINK
0.0582%
80
Bitkub
LINK-THB$16.48
0.0069680 Eth
$435,766.00
26,435.120 LINK
0.0546%
81
BitStorage
LINK-ETH$16.55
0.0069838 Eth
$367,104.00
22,177.290 LINK
0.0458%
82
BitMart
LINK-BTC$16.50
0.0069784 Eth
$340,337.00
20,622.880 LINK
0.0426%
83
BitDelta
LINK-USDT$16.48
0.0069713 Eth
$335,307.00
20,440.000 LINK
0.0422%
84
KuCoin
LINK-USDC$16.49
0.0069683 Eth
$327,336.00
19,855.882 LINK
0.0410%
85
Kraken
LINK-USDC$16.55
0.0069943 Eth
$281,143.00
16,990.607 LINK
0.0351%
86
BTCMarkets
LINK-AUD$16.40
0.0069207 Eth
$275,598.00
16,801.250 LINK
0.0347%
87
Slex
LINK-ETH$16.55
0.0069974 Eth
$266,914.00
16,458.800 LINK
0.0340%
88
Binance
LINK-BNB$16.59
0.0070012 Eth
$261,947.00
16,842.914 LINK
0.0348%
89
Kraken
LINK-GBP$16.53
0.0069886 Eth
$257,753.00
15,589.589 LINK
0.0322%
90
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$16.48
0.0069633 Eth
$245,743.00
14,989.915 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0310%
91
PointPay
LINK-BTC$16.53
0.0069747 Eth
$231,954.00
13,865.139 LINK
0.0286%
92
Coinbase Exchange
LINK-ETH$16.29
0.0068739 Eth
$218,035.00
13,382.470 LINK
0.0276%
93
Bitcointry
LINK-USDT$16.53
0.0069768 Eth
$162,433.00
9,727.657 LINK
0.0201%
94
WhiteBIT
LINK-EUR$16.58
0.0070120 Eth
$162,303.00
9,787.690 LINK
0.0202%
95
Bitso
LINK-USD$16.46
0.0069532 Eth
$152,367.00
9,259.027 LINK
0.0191%
96
BitMart
LINK-ETH$16.54
0.0069939 Eth
$148,116.00
8,955.220 LINK
0.0185%
97
XT.COM
LINK-BTC$16.52
0.0069785 Eth
$145,938.00
8,769.330 LINK
0.0181%
98
Binance US
LINK-USDT$16.50
0.0069616 Eth
$117,504.00
7,122.872 LINK
0.0147%
99
Mercado Bitcoin
LINK-BRL$16.47
0.0069595 Eth
$82,136.00
4,988.170 LINK
0.0103%
100
Independent Reserve
LINK-AUD$16.50
0.0069580 Eth
$54,133.00
3,280.242 LINK
0.0068%

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

API
[{"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
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