ETH Price: $3,246.34 (-3.88%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

728,023 ( 0.012%)

Market

Price

$24.09 @ 0.007421 ETH (-7.58%)

Onchain Market Cap

$24,090,000,000.00

Circulating Supply Market Cap

$15,206,436,272.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
DSProxy #5,881
Balance
0 LINK

Value
$0.00
0x433386a1f3384a3e7f97b1ee33608d49f10838a1
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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 21800% |ETH 0.0003846 1829.54%

Market

Volume (24H):$2,567,471,652.00
Market Capitalization:$15,206,436,272.00
Circulating Supply:631,099,972.00 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$24.12
0.0074319 Eth
$425,193,621.00
16,709,630.970 LINK
25.5712%
2
Coinbase Exchange
LINK-USD$24.12
0.0074289 Eth
$135,117,339.00
5,602,808.870 LINK
8.5741%
3
Bybit
LINK-USDT$24.09
0.0074208 Eth
$132,232,063.00
5,197,063.094 LINK
7.9532%
4
P2B
LINK-USDT$24.05
0.0074080 Eth
$62,648,178.00
2,604,861.770 LINK
3.9863%
5
OKX
LINK-USDT$24.11
0.0074279 Eth
$60,472,527.00
2,376,883.029 LINK
3.6374%
6
Gate.io
LINK-USDT$24.13
0.0074350 Eth
$55,890,665.00
2,200,851.900 LINK
3.3680%
7
DigiFinex
LINK-USDT$24.14
0.0074382 Eth
$51,570,385.00
2,136,105.940 LINK
3.2689%
8
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$23.93
0.0073720 Eth
$49,972,637.00
2,009,888.894 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.0758%
9
XT.COM
LINK-USDT$24.08
0.0074203 Eth
$42,707,037.00
1,678,017.200 LINK
2.5679%
10
Bitget
LINK-USDT$24.13
0.0074348 Eth
$41,104,218.00
1,614,280.381 LINK
2.4704%
11
Azbit
LINK-USDT$24.06
0.0074116 Eth
$38,708,310.00
1,518,505.421 LINK
2.3238%
12
MEXC
LINK-USDT$24.14
0.0074378 Eth
$35,544,949.00
1,472,380.530 LINK
2.2532%
13
Coinstore
LINK-USDT$24.11
0.0074271 Eth
$31,535,927.00
1,240,441.630 LINK
1.8983%
14
Bitunix
LINK-USDT$24.00
0.0073916 Eth
$31,007,921.00
1,291,977.150 LINK
1.9772%
15
HTX
LINK-USDT$24.11
0.0074269 Eth
$28,948,298.00
1,146,966.913 LINK
1.7552%
16
CoinW
LINK-USDT$24.15
0.0074405 Eth
$25,405,460.00
1,051,993.230 LINK
1.6099%
17
Slex
LINK-USDT$24.07
0.0074230 Eth
$24,474,937.00
969,859.980 LINK
1.4842%
18
BYDFi
LINK-USDT$24.09
0.0074239 Eth
$22,720,129.00
943,058.520 LINK
1.4432%
19
Binance
LINK-FDUSD$24.14
0.0074479 Eth
$22,564,443.00
882,982.030 LINK
1.3513%
20
KuCoin
LINK-USDT$24.14
0.0074365 Eth
$21,208,443.00
878,658.421 LINK
1.3446%
21
LBank
LINK-USDT$24.07
0.0074311 Eth
$19,694,019.00
818,146.020 LINK
1.2520%
22
LATOKEN
LINK-USDT$24.08
0.0074210 Eth
$18,381,269.00
763,260.115 LINK
1.1680%
23
Kraken
LINK-USD$24.12
0.0074325 Eth
$18,318,488.00
759,342.310 LINK
1.1620%
24
Binance
LINK-USDC$24.10
0.0074259 Eth
$17,325,046.00
680,831.550 LINK
1.0419%
25
QMall
LINK-USDT$24.06
0.0074146 Eth
$16,578,828.00
651,541.836 LINK
0.9971%
26
Hotcoin
LINK-USDT$24.10
0.0074228 Eth
$16,518,923.00
685,356.180 LINK
1.0488%
27
BTSE
LINK-USDT$24.07
0.0074183 Eth
$14,352,791.00
596,359.471 LINK
0.9126%
28
Coinbase Exchange
LINK-EUR$24.09
0.0074196 Eth
$12,128,211.00
503,406.920 LINK
0.7704%
29
Bitvavo
LINK-EUR$24.05
0.0074058 Eth
$9,659,566.00
401,684.504 LINK
0.6147%
30
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$24.03
0.0074025 Eth
$8,929,272.00
359,006.289 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.5494%
31
Coinbase Exchange
LINK-GBP$24.08
0.0074165 Eth
$8,588,109.00
356,618.380 LINK
0.5457%
32
Dex-Trade
LINK-USDT$24.03
0.0074018 Eth
$7,991,939.00
332,574.728 LINK
0.5089%
33
PointPay
LINK-USDT$24.08
0.0074166 Eth
$6,365,485.00
250,285.380 LINK
0.3830%
34
BingX
LINK-USDT$24.10
0.0074264 Eth
$5,751,569.00
225,964.540 LINK
0.3458%
35
CoinEx
LINK-USDT$24.11
0.0074268 Eth
$5,247,840.00
207,562.260 LINK
0.3176%
36
FMCPAY
LINK-USDT$24.11
0.0074301 Eth
$4,516,818.00
179,145.952 LINK
0.2742%
37
Kraken
LINK-EUR$24.04
0.0074050 Eth
$3,794,121.00
157,857.840 LINK
0.2416%
38
Phemex
LINK-USDT$24.01
0.0073962 Eth
$3,751,388.00
156,240.450 LINK
0.2391%
39
Binance
LINK-TRY$24.13
0.0074489 Eth
$3,587,131.00
138,857.710 LINK
0.2125%
40
Bitbank
LINK-JPY$24.18
0.0074542 Eth
$3,343,342.00
138,246.531 LINK
0.2116%
41
Coinbase Exchange
LINK-USDT$24.09
0.0074219 Eth
$3,333,230.00
138,358.123 LINK
0.2117%
42
Tokpie
LINK-USDT$24.05
0.0074065 Eth
$3,245,070.00
134,930.117 LINK
0.2065%
43
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$23.98
0.0073872 Eth
$3,009,632.00
119,383.495 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1827%
44
EXMO
LINK-USDT$24.12
0.0074323 Eth
$2,959,695.00
122,703.833 LINK
0.1878%
45
BitStorage
LINK-USDT$24.04
0.0074192 Eth
$2,895,594.00
120,429.250 LINK
0.1843%
46
BigONE
LINK-USDT$24.19
0.0074542 Eth
$2,870,926.00
118,673.760 LINK
0.1816%
47
EarnBIT
LINK-USDT$24.10
0.0074292 Eth
$2,785,202.00
109,259.997 LINK
0.1672%
48
Bitstamp
LINK-USD$24.12
0.0074301 Eth
$2,617,875.00
108,535.448 LINK
0.1661%
49
Kraken
LINK-USDT$24.12
0.0074306 Eth
$2,530,319.00
104,914.649 LINK
0.1606%
50
BitMart
LINK-USDT$24.00
0.0073942 Eth
$2,478,328.00
103,256.660 LINK
0.1580%
51
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$24.04
0.0074061 Eth
$2,313,896.00
177,634.765 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.2718%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.99
0.0073921 Eth
$2,312,241.00
93,244.097 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1427%
53
Bitstamp
LINK-EUR$24.11
0.0074279 Eth
$2,281,739.00
94,626.879 LINK
0.1448%
54
Bybit
LINK-USDC$24.09
0.0074205 Eth
$2,218,279.00
87,321.918 LINK
0.1336%
55
FMCPAY
LINK-ETH$24.05
0.0074122 Eth
$2,143,672.00
86,556.640 LINK
0.1325%
56
Binance
LINK-ETH$24.10
0.0074366 Eth
$2,133,285.00
85,309.960 LINK
0.1306%
57
ProBit Global
LINK-USDT$24.02
0.0073981 Eth
$2,058,117.00
85,674.661 LINK
0.1311%
58
Binance
LINK-EUR$24.17
0.0074627 Eth
$1,967,848.00
77,115.610 LINK
0.1180%
59
FMCPAY
LINK-BTC$24.04
0.0074083 Eth
$1,802,942.00
73,061.300 LINK
0.1118%
60
AscendEX (BitMax)
LINK-USDT$24.14
0.0074386 Eth
$1,735,650.00
71,896.600 LINK
0.1100%
61
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$23.95
0.0073787 Eth
$1,690,465.00
68,312.111 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1045%
62
itBit
LINK-USD$24.03
0.0074067 Eth
$1,549,713.00
64,490.767 LINK
0.0987%
63
OKX
LINK-USDC$24.13
0.0074333 Eth
$1,549,119.00
60,739.390 LINK
0.0930%
64
Gemini
LINK-USD$24.05
0.0074078 Eth
$1,540,670.00
64,067.409 LINK
0.0980%
65
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$24.05
0.0074114 Eth
$1,326,944.00
54,600.875 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0836%
66
QMall
LINK-USDC$24.07
0.0074181 Eth
$1,317,113.00
51,869.402 LINK
0.0794%
67
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$24.11
0.0074259 Eth
$1,304,476.00
51,367.043 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0786%
68
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$24.26
0.0074748 Eth
$1,283,211.00
51,755.297 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0792%
69
XT.COM
LINK-XT$24.10
0.0074326 Eth
$1,209,571.00
49,290.956 LINK
0.0754%
70
LATOKEN
LINK-BTC$24.06
0.0074107 Eth
$1,174,200.00
48,803.096 LINK
0.0747%
71
Nonkyc.io
LINK-USDT$24.09
0.0074369 Eth
$1,119,734.00
44,844.463 LINK
0.0686%
72
Kraken
LINK-XBT$24.11
0.0074289 Eth
$1,103,133.00
45,749.594 LINK
0.0700%
73
GMO Japan
LINK-JPY$24.13
0.0074317 Eth
$1,069,767.00
44,338.000 LINK
0.0679%
74
ProBit Global
LINK-BTC$24.03
0.0073997 Eth
$934,078.00
38,875.476 LINK
0.0595%
75
HashKey Exchange
LINK-USD$24.03
0.0073999 Eth
$927,314.00
36,338.570 LINK
0.0556%
76
Trubit
LINK-USDT$24.03
0.0073993 Eth
$872,413.00
34,526.160 LINK
0.0528%
77
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$24.01
0.0073993 Eth
$818,986.00
32,951.988 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0504%
78
Coinbase Exchange
LINK-BTC$24.09
0.0074217 Eth
$792,538.00
32,904.280 LINK
0.0504%
79
Bitkub
LINK-THB$24.22
0.0074644 Eth
$744,109.00
30,716.718 LINK
0.0470%
80
bitcastle
LINK-USDT$24.00
0.0073931 Eth
$722,495.00
28,438.740 LINK
0.0435%
81
tanX
LINK-USDC$24.13
0.0074334 Eth
$716,719.00
28,635.900 LINK
0.0438%
82
Slex
LINK-BTC$24.15
0.0074390 Eth
$705,779.00
28,508.700 LINK
0.0436%
83
Bittime
LINK-IDR$24.06
0.0074756 Eth
$675,339.00
26,448.840 LINK
0.0405%
84
BitDelta
LINK-USDT$24.01
0.0073962 Eth
$668,793.00
26,442.000 LINK
0.0405%
85
BitMart
LINK-BTC$24.02
0.0073997 Eth
$646,464.00
26,914.400 LINK
0.0412%
86
XT.COM
LINK-ETH$24.01
0.0073967 Eth
$592,622.00
23,680.460 LINK
0.0362%
87
Binance
LINK-BNB$24.24
0.0074684 Eth
$583,798.00
23,081.638 LINK
0.0353%
88
BitMart
LINK-ETH$23.99
0.0073919 Eth
$568,773.00
23,704.620 LINK
0.0363%
89
BYDFi
LINK-USDC$24.07
0.0074136 Eth
$559,931.00
23,259.800 LINK
0.0356%
90
Foxbit
LINK-BRL$24.18
0.0074709 Eth
$551,435.00
21,557.848 LINK
0.0330%
91
Coinbase Exchange
LINK-ETH$24.03
0.0074032 Eth
$514,736.00
21,418.090 LINK
0.0328%
92
PointPay
LINK-BTC$24.03
0.0074011 Eth
$512,551.00
20,709.495 LINK
0.0317%
93
Kraken
LINK-ETH$24.15
0.0074393 Eth
$511,310.00
21,175.461 LINK
0.0324%
94
Bitso
LINK-USD$24.00
0.0073907 Eth
$477,372.00
19,891.820 LINK
0.0304%
95
Slex
LINK-ETH$24.08
0.0074397 Eth
$438,936.00
17,764.980 LINK
0.0272%
96
KuCoin
LINK-USDC$24.04
0.0074064 Eth
$377,591.00
15,707.170 LINK
0.0240%
97
Mercado Bitcoin
LINK-BRL$24.28
0.0074804 Eth
$354,637.00
14,608.137 LINK
0.0224%
98
Binance US
LINK-USDT$24.07
0.0074141 Eth
$304,932.00
12,668.304 LINK
0.0194%
99
Kraken
LINK-GBP$24.04
0.0074067 Eth
$205,788.00
8,560.129 LINK
0.0131%
100
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$24.15
0.0074399 Eth
$80,866.00
3,297.355 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0050%

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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