ETH Price: $3,411.41 (-6.94%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

727,647 ( 0.004%)

Market

Price

$23.25 @ 0.006815 ETH (-6.17%)

Onchain Market Cap

$23,250,000,000.00

Circulating Supply Market Cap

$14,561,621,430.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
100.53269284 LINK

Value
$2,337.39 ( ~0.685167667126104 Eth) [0.0000%]
0x8bd8217cd15ff361fb65c9ca9875bef01d6dcb56
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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 21036.36% |ETH 0.0003846 1671.97%

Market

Volume (24H):$2,566,304,806.00
Market Capitalization:$14,561,621,430.00
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$23.16
0.0067936 Eth
$298,384,293.00
12,692,637.090 LINK
18.9679%
2
Coinbase Exchange
LINK-USD$23.25
0.0068072 Eth
$128,080,391.00
5,509,544.950 LINK
8.2335%
3
WhiteBIT
LINK-USDT$23.15
0.0067792 Eth
$90,863,632.00
3,925,487.180 LINK
5.8663%
4
Bitget
LINK-USDT$23.22
0.0067901 Eth
$84,090,463.00
3,574,565.127 LINK
5.3418%
5
Azbit
LINK-USDT$23.18
0.0067915 Eth
$72,988,643.00
3,086,644.099 LINK
4.6127%
6
Bybit
LINK-USDT$23.18
0.0067986 Eth
$70,030,599.00
2,975,268.938 LINK
4.4462%
7
MEXC
LINK-USDT$23.25
0.0068076 Eth
$61,331,678.00
2,638,089.320 LINK
3.9424%
8
P2B
LINK-USDT$23.26
0.0068112 Eth
$47,558,294.00
2,044,789.290 LINK
3.0557%
9
Gate.io
LINK-USDT$23.15
0.0067838 Eth
$43,520,613.00
1,851,550.600 LINK
2.7670%
10
OKX
LINK-USDT$23.16
0.0067924 Eth
$40,429,523.00
1,715,506.929 LINK
2.5637%
11
DigiFinex
LINK-USDT$23.14
0.0067886 Eth
$36,980,087.00
1,597,788.950 LINK
2.3877%
12
XT.COM
LINK-USDT$23.33
0.0068104 Eth
$36,171,690.00
1,535,021.700 LINK
2.2939%
13
Deepcoin
LINK-USDT$23.18
0.0067915 Eth
$30,096,963.00
1,331,122.503 LINK
1.9892%
14
WEEX
LINK-USDT$23.25
0.0068089 Eth
$30,030,210.00
1,291,703.571 LINK
1.9303%
15
FameEX
LINK-USDT$23.22
0.0067979 Eth
$29,907,633.00
1,270,987.533 LINK
1.8994%
16
Binance
LINK-FDUSD$23.22
0.0068059 Eth
$25,438,142.00
1,081,827.910 LINK
1.6167%
17
Azbit
LINK-ETH$23.23
0.0068081 Eth
$25,385,537.00
1,099,941.232 LINK
1.6438%
18
Slex
LINK-USDT$23.23
0.0067980 Eth
$23,769,425.00
993,445.190 LINK
1.4846%
19
Coinstore
LINK-USDT$23.22
0.0067954 Eth
$23,520,051.00
996,368.910 LINK
1.4890%
20
HTX
LINK-USDT$23.14
0.0067866 Eth
$23,102,701.00
970,123.379 LINK
1.4498%
21
Bitunix
LINK-USDT$23.15
0.0067842 Eth
$22,569,536.00
975,060.970 LINK
1.4571%
22
CoinW
LINK-USDT$23.15
0.0067832 Eth
$17,508,004.00
756,209.760 LINK
1.1301%
23
Kraken
LINK-USD$23.16
0.0067942 Eth
$17,347,208.00
748,891.739 LINK
1.1191%
24
BTSE
LINK-USDT$23.26
0.0068106 Eth
$17,347,059.00
745,889.737 LINK
1.1147%
25
BYDFi
LINK-USDT$23.22
0.0067783 Eth
$16,429,170.00
707,475.460 LINK
1.0573%
26
KuCoin
LINK-USDT$23.13
0.0067842 Eth
$12,723,864.00
550,114.970 LINK
0.8221%
27
Hotcoin
LINK-USDT$23.23
0.0068030 Eth
$12,399,220.00
533,853.740 LINK
0.7978%
28
QMall
LINK-USDT$23.13
0.0067848 Eth
$12,307,919.00
523,550.003 LINK
0.7824%
29
LATOKEN
LINK-USDT$23.23
0.0068104 Eth
$12,269,320.00
528,197.159 LINK
0.7893%
30
Binance
LINK-BTC$23.17
0.0067910 Eth
$12,152,472.00
527,633.940 LINK
0.7885%
31
Binance
LINK-USDC$23.24
0.0068062 Eth
$11,126,574.00
474,751.920 LINK
0.7095%
32
Biconomy.com
LINK-USDT$23.15
0.0067832 Eth
$9,568,688.00
404,305.550 LINK
0.6042%
33
Dex-Trade
LINK-USDT$23.15
0.0067907 Eth
$8,560,705.00
369,765.282 LINK
0.5526%
34
Bitvavo
LINK-EUR$23.54
0.0069042 Eth
$8,296,854.00
352,475.727 LINK
0.5267%
35
Coinbase Exchange
LINK-EUR$23.25
0.0068074 Eth
$7,508,913.00
322,995.700 LINK
0.4827%
36
Coinbase Exchange
LINK-GBP$23.17
0.0067953 Eth
$7,472,222.00
322,527.570 LINK
0.4820%
37
LBank
LINK-USDT$23.19
0.0068012 Eth
$6,751,591.00
291,172.740 LINK
0.4351%
38
WhiteBIT
LINK-TRY$23.22
0.0068039 Eth
$6,324,670.00
272,391.050 LINK
0.4071%
39
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$23.16
0.0067947 Eth
$5,857,966.00
256,797.990 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3838%
40
FMCPAY
LINK-USDT$23.25
0.0068083 Eth
$4,779,829.00
202,315.541 LINK
0.3023%
41
PointPay
LINK-USDT$23.15
0.0067907 Eth
$4,619,303.00
197,167.331 LINK
0.2946%
42
BingX
LINK-USDT$23.17
0.0067956 Eth
$4,534,834.00
192,661.770 LINK
0.2879%
43
CoinEx
LINK-USDT$23.16
0.0067875 Eth
$3,511,407.00
148,896.027 LINK
0.2225%
44
Dcoin
LINK-USDT$23.14
0.0067768 Eth
$3,335,938.00
144,171.000 LINK
0.2154%
45
Coinbase Exchange
LINK-ETH$23.16
0.0067930 Eth
$3,301,526.00
142,554.950 LINK
0.2130%
46
Tokpie
LINK-USDT$23.50
0.0068714 Eth
$3,242,883.00
138,000.842 LINK
0.2062%
47
WhiteBIT
LINK-BTC$23.22
0.0067913 Eth
$3,118,011.00
134,299.950 LINK
0.2007%
48
Phemex
LINK-USDT$23.17
0.0067966 Eth
$3,012,422.00
130,004.380 LINK
0.1943%
49
EXMO
LINK-USDT$23.15
0.0067826 Eth
$2,540,906.00
109,775.050 LINK
0.1640%
50
Bitstamp
LINK-EUR$23.42
0.0068702 Eth
$2,510,132.00
107,166.316 LINK
0.1601%
51
Bybit
LINK-USDC$23.15
0.0067895 Eth
$2,311,257.00
99,705.109 LINK
0.1490%
52
Bitstamp
LINK-USD$23.15
0.0067902 Eth
$2,287,135.00
98,796.336 LINK
0.1476%
53
Kraken
LINK-EUR$23.19
0.0068017 Eth
$2,247,246.00
96,908.251 LINK
0.1448%
54
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.34
0.0068371 Eth
$2,138,352.00
93,715.240 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1400%
55
Coinbase Exchange
LINK-USDT$23.24
0.0068047 Eth
$2,096,539.00
90,224.871 LINK
0.1348%
56
BitStorage
LINK-USDT$23.18
0.0067909 Eth
$2,085,159.00
89,960.580 LINK
0.1344%
57
Gemini
LINK-USD$23.16
0.0067933 Eth
$2,040,246.00
88,091.183 LINK
0.1316%
58
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$23.31
0.0068374 Eth
$1,973,857.00
145,249.037 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2171%
59
Binance
LINK-EUR$23.33
0.0068274 Eth
$1,924,498.00
82,216.050 LINK
0.1229%
60
EarnBIT
LINK-USDT$23.21
0.0067973 Eth
$1,914,535.00
81,418.134 LINK
0.1217%
61
BigONE
LINK-USDT$23.25
0.0068037 Eth
$1,837,253.00
79,021.220 LINK
0.1181%
62
FMCPAY
LINK-ETH$23.18
0.0067994 Eth
$1,796,271.00
78,512.320 LINK
0.1173%
63
Binance
LINK-ETH$23.18
0.0068004 Eth
$1,748,504.00
76,732.910 LINK
0.1147%
64
AscendEX (BitMax)
LINK-USDT$23.25
0.0068204 Eth
$1,717,858.00
73,883.900 LINK
0.1104%
65
FMCPAY
LINK-BTC$23.25
0.0068077 Eth
$1,662,051.00
71,721.900 LINK
0.1072%
66
BitMart
LINK-USDT$23.25
0.0068121 Eth
$1,657,700.00
71,308.440 LINK
0.1066%
67
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$23.14
0.0067870 Eth
$1,573,710.00
67,593.387 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1010%
68
Kraken
LINK-USDT$23.16
0.0067931 Eth
$1,545,545.00
66,733.659 LINK
0.0997%
69
Bitbank
LINK-JPY$23.38
0.0068451 Eth
$1,540,854.00
65,917.772 LINK
0.0985%
70
Koinpark
LINK-USDT$23.31
0.0068046 Eth
$1,536,642.00
65,915.829 LINK
0.0985%
71
Binance
LINK-TRY$23.32
0.0068339 Eth
$1,496,791.00
63,589.290 LINK
0.0950%
72
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$23.28
0.0068280 Eth
$1,420,347.00
60,920.771 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.0910%
73
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$23.27
0.0068191 Eth
$1,373,110.00
58,923.228 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0881%
74
OKX
LINK-USDC$23.18
0.0067981 Eth
$1,355,261.00
57,067.694 LINK
0.0853%
75
WhiteBIT
LINK-EUR$23.26
0.0068130 Eth
$1,253,768.00
53,892.370 LINK
0.0805%
76
Coinbase Exchange
LINK-BTC$23.19
0.0067932 Eth
$1,107,450.00
47,762.640 LINK
0.0714%
77
itBit
LINK-USD$23.29
0.0068198 Eth
$1,032,873.00
44,348.328 LINK
0.0663%
78
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.31
0.0068374 Eth
$1,009,050.00
43,287.937 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0647%
79
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.26
0.0068161 Eth
$957,475.00
41,909.387 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0626%
80
tanX
LINK-USDC$23.27
0.0068146 Eth
$946,440.00
39,241.890 LINK
0.0586%
81
GMO Japan
LINK-JPY$23.27
0.0068091 Eth
$922,470.00
39,647.000 LINK
0.0592%
82
Trubit
LINK-USDT$23.24
0.0068053 Eth
$912,753.00
38,559.490 LINK
0.0576%
83
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$23.18
0.0067922 Eth
$765,083.00
769,306.242 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.1497%
84
Kraken
LINK-XBT$23.21
0.0068088 Eth
$756,123.00
32,572.498 LINK
0.0487%
85
HashKey Exchange
LINK-USD$23.34
0.0068002 Eth
$737,488.00
30,806.591 LINK
0.0460%
86
ProBit Global
LINK-BTC$23.20
0.0067936 Eth
$690,772.00
29,779.323 LINK
0.0445%
87
Bitkub
LINK-THB$23.28
0.0067957 Eth
$629,043.00
27,018.675 LINK
0.0404%
88
BitMart
LINK-BTC$23.23
0.0068067 Eth
$610,950.00
26,301.740 LINK
0.0393%
89
Slex
LINK-BTC$23.26
0.0068166 Eth
$570,251.00
24,658.200 LINK
0.0368%
90
LATOKEN
LINK-BTC$23.30
0.0068225 Eth
$542,529.00
23,287.690 LINK
0.0348%
91
BitDelta
LINK-USDT$23.24
0.0068055 Eth
$537,367.00
22,753.000 LINK
0.0340%
92
KuCoin
LINK-USDC$23.13
0.0067854 Eth
$532,205.00
23,005.698 LINK
0.0344%
93
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$23.31
0.0068262 Eth
$508,572.00
21,341.444 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0319%
94
WEEX
LINK-USDC$23.25
0.0068089 Eth
$500,845.00
21,543.036 LINK
0.0322%
95
Bitso
LINK-USD$23.17
0.0067959 Eth
$457,070.00
19,729.256 LINK
0.0295%
96
Slex
LINK-ETH$23.19
0.0067941 Eth
$397,907.00
17,353.750 LINK
0.0259%
97
Bittime
LINK-IDR$23.29
0.0068325 Eth
$392,005.00
17,130.680 LINK
0.0256%
98
BitMart
LINK-ETH$23.25
0.0068143 Eth
$384,856.00
16,549.720 LINK
0.0247%
99
Kraken
LINK-GBP$23.17
0.0067953 Eth
$348,953.00
15,062.042 LINK
0.0225%
100
Binance US
LINK-USDT$23.27
0.0068060 Eth
$277,209.00
11,911.302 LINK
0.0178%

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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