ETH Price: $2,719.78 (-9.78%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

731,395 ( -0.245%)

Market

Price

$20.57 @ 0.007563 ETH (-4.38%)

Onchain Market Cap

$20,570,000,000.00

Circulating Supply Market Cap

$13,133,678,986.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
336.85677259971985408 LINK

Value
$6,929.14 ( ~2.5477 Eth) [0.0000%]
0x6C3Bd16cC148AaDD81C799d30CC8c3670f841DeC
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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 18600% |ETH 0.0003846 1866.46%

Market

Volume (24H):$3,841,451,419.00
Market Capitalization:$13,133,678,986.00
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$20.58
0.0075889 Eth
$640,513,921.00
33,727,231.070 LINK
24.3561%
2
Coinbase Exchange
LINK-USD$20.57
0.0075473 Eth
$194,016,675.00
9,431,562.620 LINK
6.8110%
3
Bybit
LINK-USDT$20.56
0.0075433 Eth
$164,154,718.00
8,712,564.690 LINK
6.2918%
4
Ourbit
LINK-USDT$20.57
0.0075498 Eth
$104,834,667.00
5,504,690.760 LINK
3.9752%
5
Gate.io
LINK-USDT$20.56
0.0075446 Eth
$92,523,898.00
4,905,232.280 LINK
3.5423%
6
DigiFinex
LINK-USDT$20.55
0.0075432 Eth
$87,845,106.00
4,274,376.840 LINK
3.0867%
7
OKX
LINK-USDT$20.55
0.0075397 Eth
$86,733,090.00
4,635,409.564 LINK
3.3475%
8
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$20.54
0.0075333 Eth
$85,711,656.00
4,449,285.836 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.2130%
9
P2B
LINK-USDT$20.69
0.0076007 Eth
$72,092,597.00
3,484,290.330 LINK
2.5162%
10
MEXC
LINK-USDT$20.59
0.0075891 Eth
$69,158,745.00
3,358,695.270 LINK
2.4255%
11
FameEX
LINK-USDT$20.59
0.0075544 Eth
$64,024,754.00
3,370,571.622 LINK
2.4341%
12
XT.COM
LINK-USDT$20.60
0.0075554 Eth
$63,709,921.00
3,353,806.090 LINK
2.4219%
13
Bitget
LINK-USDT$20.58
0.0075549 Eth
$62,202,540.00
3,350,569.871 LINK
2.4196%
14
Bitunix
LINK-USDT$20.57
0.0075478 Eth
$53,263,898.00
2,589,716.710 LINK
1.8702%
15
Binance
LINK-USDC$20.64
0.0076165 Eth
$44,068,432.00
2,332,804.540 LINK
1.6846%
16
Coinstore
LINK-USDT$20.66
0.0075669 Eth
$43,934,080.00
2,304,877.700 LINK
1.6645%
17
CoinW
LINK-USDT$20.58
0.0075522 Eth
$40,653,863.00
1,974,990.960 LINK
1.4262%
18
BYDFi
LINK-USDT$20.59
0.0076105 Eth
$38,848,872.00
1,886,958.940 LINK
1.3627%
19
KuCoin
LINK-USDT$20.59
0.0075565 Eth
$37,570,689.00
1,824,756.633 LINK
1.3177%
20
LBank
LINK-USDT$20.58
0.0075949 Eth
$33,237,014.00
1,614,809.250 LINK
1.1661%
21
LATOKEN
LINK-USDT$20.60
0.0075570 Eth
$31,672,687.00
1,537,694.584 LINK
1.1104%
22
WEEX
LINK-USDT$20.58
0.0075821 Eth
$30,207,900.00
1,467,908.409 LINK
1.0600%
23
Toobit
LINK-USDT$20.54
0.0075880 Eth
$29,905,200.00
1,577,203.704 LINK
1.1390%
24
HTX
LINK-USDT$20.58
0.0075515 Eth
$29,770,515.00
1,559,112.003 LINK
1.1259%
25
Binance
LINK-BTC$20.62
0.0076045 Eth
$28,047,272.00
1,431,565.080 LINK
1.0338%
26
Azbit
LINK-USDT$20.56
0.0075994 Eth
$26,610,381.00
1,364,410.911 LINK
0.9853%
27
QMall
LINK-USDT$20.65
0.0075647 Eth
$26,415,138.00
1,389,706.468 LINK
1.0036%
28
Kraken
LINK-USD$20.58
0.0075528 Eth
$26,111,033.00
1,268,798.385 LINK
0.9163%
29
Binance
LINK-FDUSD$20.59
0.0075588 Eth
$22,962,720.00
1,195,225.970 LINK
0.8631%
30
Coinbase Exchange
LINK-EUR$20.72
0.0076114 Eth
$21,479,107.00
1,036,654.100 LINK
0.7486%
31
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$20.58
0.0075472 Eth
$20,017,339.00
1,037,278.136 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.7491%
32
Crypto.com Exchange
LINK-USD$20.58
0.0075540 Eth
$19,987,587.00
971,166.930 LINK
0.7013%
33
Bitvavo
LINK-EUR$20.71
0.0076206 Eth
$14,343,422.00
692,709.433 LINK
0.5002%
34
Poloniex
LINK-USDT$20.67
0.0075744 Eth
$14,329,636.00
747,983.387 LINK
0.5402%
35
Slex
LINK-USDT$20.46
0.0075768 Eth
$13,690,665.00
707,107.500 LINK
0.5106%
36
Dex-Trade
LINK-USDT$20.55
0.0075434 Eth
$12,900,026.00
627,626.507 LINK
0.4532%
37
Hotcoin
LINK-USDT$20.58
0.0075498 Eth
$12,840,151.00
623,986.590 LINK
0.4506%
38
BTSE
LINK-USDT$20.56
0.0076124 Eth
$11,794,409.00
573,677.194 LINK
0.4143%
39
Coinbase Exchange
LINK-USDT$20.62
0.0075562 Eth
$10,703,300.00
519,141.512 LINK
0.3749%
40
PointPay
LINK-USDT$20.60
0.0075931 Eth
$9,984,019.00
528,021.360 LINK
0.3813%
41
BingX
LINK-USDT$20.58
0.0075500 Eth
$8,263,531.00
435,390.681 LINK
0.3144%
42
Biconomy.com
LINK-USDT$20.58
0.0075473 Eth
$8,022,229.00
426,575.218 LINK
0.3081%
43
CoinEx
LINK-USDT$20.56
0.0075469 Eth
$7,812,621.00
408,842.582 LINK
0.2952%
44
Coinbase Exchange
LINK-GBP$20.60
0.0075591 Eth
$7,316,552.00
355,121.190 LINK
0.2565%
45
Binance
LINK-ETH$20.59
0.0075578 Eth
$6,984,856.00
360,261.940 LINK
0.2602%
46
Kraken
LINK-EUR$20.70
0.0075980 Eth
$6,614,621.00
319,511.463 LINK
0.2307%
47
Bitstamp
LINK-USD$20.59
0.0075573 Eth
$6,035,599.00
293,132.557 LINK
0.2117%
48
BitMart
LINK-USDT$20.59
0.0075533 Eth
$5,344,087.00
259,579.240 LINK
0.1875%
49
Phemex
LINK-USDT$20.60
0.0075618 Eth
$5,273,960.00
255,970.900 LINK
0.1848%
50
Bitbank
LINK-JPY$20.76
0.0076088 Eth
$5,132,934.00
247,241.925 LINK
0.1785%
51
FMCPAY
LINK-USDT$20.69
0.0076144 Eth
$4,551,286.00
233,532.096 LINK
0.1686%
52
Bitstamp
LINK-EUR$20.62
0.0075697 Eth
$4,221,268.00
204,677.769 LINK
0.1478%
53
EarnBIT
LINK-USDT$20.66
0.0075712 Eth
$4,082,902.00
217,535.274 LINK
0.1571%
54
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.52
0.0075287 Eth
$4,058,695.00
211,361.570 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1526%
55
Kraken
LINK-USDT$20.60
0.0075598 Eth
$3,954,108.00
191,961.834 LINK
0.1386%
56
Bybit
LINK-USDC$20.63
0.0075685 Eth
$3,711,799.00
194,496.488 LINK
0.1405%
57
Binance
LINK-TRY$20.67
0.0076223 Eth
$3,667,029.00
186,509.060 LINK
0.1347%
58
Binance
LINK-EUR$20.73
0.0076493 Eth
$3,609,743.00
185,864.470 LINK
0.1342%
59
Coinbase Exchange
LINK-ETH$20.53
0.0075563 Eth
$3,533,794.00
172,113.960 LINK
0.1243%
60
BitStorage
LINK-USDT$20.53
0.0075654 Eth
$3,431,666.00
167,154.380 LINK
0.1207%
61
QMall
LINK-USDC$20.55
0.0075963 Eth
$3,308,405.00
175,304.530 LINK
0.1266%
62
EXMO
LINK-USDT$20.59
0.0075575 Eth
$3,082,708.00
149,703.929 LINK
0.1081%
63
LATOKEN
LINK-BTC$20.57
0.0075990 Eth
$2,779,585.00
135,110.307 LINK
0.0976%
64
Gemini
LINK-USD$20.62
0.0075689 Eth
$2,736,305.00
132,690.523 LINK
0.0958%
65
WhiteBIT
LINK-TRY$20.78
0.0076571 Eth
$2,735,131.00
131,611.910 LINK
0.0950%
66
BigONE
LINK-USDT$20.75
0.0076213 Eth
$2,716,266.00
130,926.030 LINK
0.0945%
67
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$20.59
0.0075410 Eth
$2,522,103.00
130,659.191 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0944%
68
ProBit Global
LINK-USDT$20.68
0.0076110 Eth
$2,381,212.00
115,143.574 LINK
0.0832%
69
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$20.82
0.0076412 Eth
$2,344,990.00
121,271.189 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0876%
70
itBit
LINK-USD$20.62
0.0075653 Eth
$2,271,639.00
110,166.803 LINK
0.0796%
71
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$20.66
0.0075781 Eth
$2,268,714.00
2,089,474.575 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.5089%
72
GMO Japan
LINK-JPY$20.70
0.0075962 Eth
$2,200,909.00
106,302.900 LINK
0.0768%
73
Kraken
LINK-XBT$20.59
0.0075579 Eth
$2,164,583.00
105,111.750 LINK
0.0759%
74
Coinbase Exchange
LINK-BTC$20.65
0.0075596 Eth
$2,126,044.00
102,960.880 LINK
0.0744%
75
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$20.60
0.0075566 Eth
$2,041,614.00
107,827.264 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0779%
76
XT.COM
LINK-ETH$20.65
0.0075672 Eth
$1,955,014.00
100,547.630 LINK
0.0726%
77
FMCPAY
LINK-ETH$20.66
0.0075705 Eth
$1,865,801.00
95,272.480 LINK
0.0688%
78
FMCPAY
LINK-BTC$20.66
0.0075687 Eth
$1,711,027.00
85,671.300 LINK
0.0619%
79
OKX
LINK-USDC$20.56
0.0075424 Eth
$1,710,243.00
91,006.108 LINK
0.0657%
80
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$20.59
0.0075512 Eth
$1,691,890.00
83,949.486 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0606%
81
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$20.54
0.0075243 Eth
$1,590,034.00
82,477.930 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0596%
82
XT.COM
LINK-XT$20.62
0.0075697 Eth
$1,577,292.00
79,876.132 LINK
0.0577%
83
HashKey Exchange
LINK-USD$20.67
0.0076331 Eth
$1,326,639.00
68,165.097 LINK
0.0492%
84
bitcastle
LINK-USDT$20.53
0.0075843 Eth
$1,144,894.00
60,352.120 LINK
0.0436%
85
Trubit
LINK-USDT$20.55
0.0075440 Eth
$1,067,429.00
56,052.390 LINK
0.0405%
86
PointPay
LINK-BTC$20.62
0.0076006 Eth
$1,058,157.00
53,989.473 LINK
0.0390%
87
Slex
LINK-BTC$20.59
0.0075587 Eth
$1,009,717.00
51,128.400 LINK
0.0369%
88
WhiteBIT
LINK-BTC$20.65
0.0075998 Eth
$975,307.00
47,230.340 LINK
0.0341%
89
BitDelta
LINK-USDT$20.63
0.0075933 Eth
$937,157.00
48,328.000 LINK
0.0349%
90
Bittime
LINK-IDR$20.69
0.0076338 Eth
$887,959.00
46,054.850 LINK
0.0333%
91
BitStorage
LINK-ETH$20.58
0.0075756 Eth
$826,859.00
40,169.970 LINK
0.0290%
92
Bitkub
LINK-THB$20.80
0.0076587 Eth
$787,537.00
37,855.647 LINK
0.0273%
93
Kraken
LINK-GBP$20.69
0.0075952 Eth
$777,123.00
37,551.583 LINK
0.0271%
94
Bitso
LINK-USD$20.52
0.0075139 Eth
$729,342.00
35,535.378 LINK
0.0257%
95
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$20.53
0.0076003 Eth
$698,370.00
36,468.639 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0263%
96
BYDFi
LINK-USDC$20.59
0.0076231 Eth
$605,292.00
29,401.690 LINK
0.0212%
97
Foxbit
LINK-BRL$20.75
0.0076108 Eth
$501,326.00
25,354.717 LINK
0.0183%
98
BitMart
LINK-BTC$20.61
0.0075612 Eth
$497,330.00
24,131.740 LINK
0.0174%
99
Mercado Bitcoin
LINK-BRL$20.67
0.0075863 Eth
$484,601.00
23,445.635 LINK
0.0169%
100
Binance US
LINK-USDT$20.70
0.0075856 Eth
$417,844.00
20,188.171 LINK
0.0146%

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
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