ETH Price: $3,662.74 (+2.09%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

723,926 ( -0.008%)

Market

Price

$18.29 @ 0.004994 ETH (+0.95%)

Onchain Market Cap

$18,290,000,000.00

Circulating Supply Market Cap

$11,459,441,596.00

Other Info

Token Contract (WITH 18 Decimals)

Filtered by Token Holder
imrekted.eth
Balance
0.02 LINK

Value
$0.37 ( ~0.000101017137717823 Eth) [0.0000%]
0x2a8cE51e7C0A1eE60E20Bd859ecd07FD2530a3F3
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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 16527.27% |ETH 0.0003846 1198.49%

Market

Volume (24H):$953,486,558.00
Market Capitalization:$11,459,441,596.00
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$18.23
0.0049806 Eth
$83,557,111.00
4,580,832.130 LINK
16.7224%
2
Coinbase Exchange
LINK-USD$18.32
0.0049988 Eth
$41,539,903.00
2,267,090.720 LINK
8.2760%
3
WhiteBIT
LINK-USDT$18.29
0.0049935 Eth
$39,841,437.00
2,178,636.360 LINK
7.9531%
4
Upbit
LINK-KRW$18.23
0.0049735 Eth
$20,390,945.00
1,118,551.684 LINK
4.0833%
5
Bitget
LINK-USDT$18.33
0.0050004 Eth
$18,791,421.00
1,027,294.768 LINK
3.7501%
6
Bybit
LINK-USDT$18.33
0.0050013 Eth
$16,105,677.00
880,287.384 LINK
3.2135%
7
P2B
LINK-USDT$18.32
0.0049973 Eth
$15,805,969.00
862,885.450 LINK
3.1500%
8
Slex
LINK-USDT$18.32
0.0049978 Eth
$15,401,842.00
841,623.630 LINK
3.0724%
9
BTSE
LINK-USDT$18.32
0.0049985 Eth
$15,016,037.00
819,810.127 LINK
2.9927%
10
OKX
LINK-USDT$18.34
0.0050024 Eth
$14,649,431.00
801,541.256 LINK
2.9260%
11
HTX
LINK-USDT$18.33
0.0050005 Eth
$13,932,390.00
763,162.087 LINK
2.7859%
12
MEXC
LINK-USDT$18.33
0.0050003 Eth
$12,940,229.00
706,073.380 LINK
2.5775%
13
Ourbit
LINK-USDT$18.30
0.0049945 Eth
$11,625,132.00
637,337.260 LINK
2.3266%
14
Gate.io
LINK-USDT$18.33
0.0049996 Eth
$11,583,586.00
633,730.770 LINK
2.3134%
15
DigiFinex
LINK-USDT$18.34
0.0050033 Eth
$10,992,305.00
599,415.470 LINK
2.1882%
16
Bitunix
LINK-USDT$18.30
0.0049947 Eth
$10,547,902.00
576,117.170 LINK
2.1031%
17
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$18.25
0.0049785 Eth
$8,768,434.00
474,369.845 0X514910771AF9CA656AF840DFF83E8264ECF986CA
1.7317%
18
XT.COM
LINK-USDT$18.31
0.0049958 Eth
$8,345,729.00
457,615.940 LINK
1.6705%
19
Coinstore
LINK-USDT$18.29
0.0049964 Eth
$7,532,570.00
412,661.040 LINK
1.5064%
20
CoinW
LINK-USDT$18.30
0.0049938 Eth
$7,241,516.00
395,700.660 LINK
1.4445%
21
Azbit
LINK-USDT$18.25
0.0049850 Eth
$7,082,942.00
388,308.200 LINK
1.4175%
22
Hotcoin
LINK-USDT$18.26
0.0049896 Eth
$6,909,429.00
378,426.720 LINK
1.3814%
23
Biconomy.com
LINK-USDT$18.25
0.0049875 Eth
$6,804,415.00
372,623.350 LINK
1.3603%
24
Toobit
LINK-USDT$18.23
0.0049772 Eth
$6,663,126.00
365,355.830 LINK
1.3337%
25
Binance
LINK-FDUSD$18.31
0.0049958 Eth
$4,796,602.00
263,021.470 LINK
0.9602%
26
BYDFi
LINK-USDT$18.30
0.0049980 Eth
$4,526,298.00
247,389.260 LINK
0.9031%
27
Kraken
LINK-USD$18.33
0.0050014 Eth
$4,269,343.00
232,898.577 LINK
0.8502%
28
Bithumb
LINK-KRW$18.24
0.0049775 Eth
$4,040,956.00
221,493.776 LINK
0.8086%
29
LATOKEN
LINK-USDT$18.32
0.0049974 Eth
$3,908,015.00
213,350.738 LINK
0.7788%
30
Binance
LINK-BTC$18.32
0.0049987 Eth
$3,467,686.00
191,444.550 LINK
0.6989%
31
KuCoin
LINK-USDT$18.33
0.0050003 Eth
$3,463,292.00
188,970.113 LINK
0.6898%
32
ProBit Global
LINK-USDT$18.31
0.0049965 Eth
$3,410,419.00
186,267.488 LINK
0.6800%
33
Dex-Trade
LINK-USDT$18.32
0.0049977 Eth
$2,745,070.00
149,862.940 LINK
0.5471%
34
WhiteBIT
LINK-BTC$18.33
0.0050000 Eth
$2,580,148.00
140,782.900 LINK
0.5139%
35
Binance
LINK-USDC$18.33
0.0050012 Eth
$2,579,478.00
141,300.700 LINK
0.5158%
36
Bitvavo
LINK-EUR$18.31
0.0049970 Eth
$2,403,663.00
131,241.874 LINK
0.4791%
37
Trubit
LINK-USDT$18.29
0.0049909 Eth
$2,085,765.00
114,682.370 LINK
0.4186%
38
CoinEx
LINK-USDT$18.33
0.0049998 Eth
$2,069,513.00
113,209.461 LINK
0.4133%
39
Dcoin
LINK-USDT$18.32
0.0050018 Eth
$2,032,800.00
110,979.000 LINK
0.4051%
40
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.26
0.0049823 Eth
$1,821,122.00
98,857.839 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3609%
41
AscendEX (BitMax)
LINK-USDT$18.35
0.0050049 Eth
$1,765,179.00
96,220.900 LINK
0.3513%
42
Tokpie
LINK-USDT$18.32
0.0049979 Eth
$1,547,599.00
84,478.451 LINK
0.3084%
43
EXMO
LINK-USDT$18.35
0.0050049 Eth
$1,534,418.00
83,642.167 LINK
0.3053%
44
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.35
0.0050071 Eth
$1,514,837.00
82,104.216 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2997%
45
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.23
0.0049730 Eth
$1,494,543.00
80,768.485 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2948%
46
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.29
0.0049917 Eth
$1,467,939.00
79,746.174 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2911%
47
Azbit
LINK-ETH$18.32
0.0049970 Eth
$1,270,875.00
68,955.429 LINK
0.2517%
48
Coinbase Exchange
LINK-EUR$18.29
0.0049908 Eth
$1,221,014.00
66,760.840 LINK
0.2437%
49
tanX
LINK-USDC$18.32
0.0049971 Eth
$1,141,154.00
62,473.690 LINK
0.2281%
50
Bitbank
LINK-JPY$18.35
0.0050053 Eth
$949,714.00
51,769.080 LINK
0.1890%
51
PointPay
LINK-USDT$18.34
0.0050032 Eth
$896,528.00
49,128.433 LINK
0.1793%
52
Phemex
LINK-USDT$18.27
0.0049875 Eth
$863,581.00
47,261.600 LINK
0.1725%
53
ProBit Global
LINK-BTC$18.32
0.0049990 Eth
$862,991.00
47,098.485 LINK
0.1719%
54
WhiteBIT
LINK-TRY$18.36
0.0050086 Eth
$829,407.00
45,185.150 LINK
0.1649%
55
itBit
LINK-USD$18.26
0.0049888 Eth
$810,170.00
44,368.540 LINK
0.1620%
56
Tapbit
LINK-USDT$18.26
0.0049853 Eth
$789,835.00
43,319.300 LINK
0.1581%
57
BigONE
LINK-USDT$18.19
0.0049736 Eth
$788,932.00
43,382.880 LINK
0.1584%
58
EarnBIT
LINK-USDT$18.37
0.0050113 Eth
$693,317.00
37,849.698 LINK
0.1382%
59
BitStorage
LINK-USDT$18.32
0.0049977 Eth
$684,678.00
37,378.990 LINK
0.1365%
60
LATOKEN
LINK-BTC$18.31
0.0049960 Eth
$683,462.00
37,324.151 LINK
0.1363%
61
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$18.30
0.0049925 Eth
$680,271.00
37,074.136 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1353%
62
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.30
0.0049936 Eth
$582,491.00
31,415.816 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1147%
63
Binance
LINK-ETH$18.32
0.0049990 Eth
$560,511.00
30,371.740 LINK
0.1109%
64
KickEX
LINK-USDT$18.21
0.0049759 Eth
$550,551.00
30,231.805 LINK
0.1104%
65
WEEX
LINK-USDC$18.29
0.0049918 Eth
$500,231.00
27,353.846 LINK
0.0999%
66
Gemini
LINK-USD$18.30
0.0049916 Eth
$495,753.00
27,096.544 LINK
0.0989%
67
HashKey Exchange
LINK-USD$18.36
0.0050098 Eth
$455,173.00
24,678.580 LINK
0.0901%
68
WhiteBIT
LINK-EUR$18.31
0.0049960 Eth
$446,090.00
24,366.690 LINK
0.0890%
69
Bybit
LINK-USDC$18.23
0.0049745 Eth
$442,493.00
24,242.124 LINK
0.0885%
70
Binance
LINK-EUR$18.30
0.0049926 Eth
$438,255.00
23,982.130 LINK
0.0875%
71
Nonkyc.io
LINK-USDT$18.35
0.0050085 Eth
$435,891.00
23,923.461 LINK
0.0873%
72
Binance
LINK-TRY$18.33
0.0050005 Eth
$429,072.00
23,526.740 LINK
0.0859%
73
OKX
LINK-USDC$18.33
0.0049999 Eth
$415,432.00
22,699.555 LINK
0.0829%
74
Hotcoin
LINK-BTC$18.31
0.0049958 Eth
$379,355.00
20,719.800 LINK
0.0756%
75
Coinbase Exchange
LINK-GBP$18.22
0.0049721 Eth
$360,708.00
19,796.360 LINK
0.0723%
76
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.30
0.0049929 Eth
$358,703.00
19,653.984 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0717%
77
Slex
LINK-ETH$18.32
0.0049970 Eth
$331,281.00
17,963.300 LINK
0.0656%
78
BitMart
LINK-BTC$18.33
0.0049999 Eth
$301,364.00
16,444.780 LINK
0.0600%
79
Coinbase Exchange
LINK-USDT$18.30
0.0049920 Eth
$285,425.00
15,598.975 LINK
0.0569%
80
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.31
0.0049964 Eth
$278,813.00
277,732.906 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.0139%
81
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.30
0.0049950 Eth
$249,845.00
13,685.912 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0500%
82
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.34
0.0050051 Eth
$241,179.00
13,221.599 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0483%
83
BitDelta
LINK-USDT$18.30
0.0049929 Eth
$222,871.00
12,218.000 LINK
0.0446%
84
Hotcoin
LINK-ETH$18.30
0.0049951 Eth
$221,377.00
12,094.570 LINK
0.0442%
85
Coinbase Exchange
LINK-BTC$18.29
0.0049899 Eth
$219,395.00
11,997.160 LINK
0.0438%
86
Coinone
LINK-KRW$18.14
0.0049482 Eth
$212,660.00
11,725.463 LINK
0.0428%
87
BYDFi
LINK-USDC$18.25
0.0049885 Eth
$205,774.00
11,272.510 LINK
0.0412%
88
Slex
LINK-BTC$18.31
0.0049963 Eth
$196,707.00
10,851.900 LINK
0.0396%
89
Binance US
LINK-USDT$18.31
0.0049949 Eth
$190,636.00
10,412.634 LINK
0.0380%
90
KuCoin
LINK-USDC$18.32
0.0049989 Eth
$180,995.00
9,878.573 LINK
0.0361%
91
GMO Japan
LINK-JPY$18.36
0.0050084 Eth
$176,183.00
9,597.800 LINK
0.0350%
92
Binance
LINK-BNB$18.26
0.0049817 Eth
$152,114.00
8,279.252 LINK
0.0302%
93
Bitkub
LINK-THB$18.23
0.0049744 Eth
$148,365.00
8,138.297 LINK
0.0297%
94
BitStorage
LINK-ETH$18.26
0.0049847 Eth
$139,838.00
7,657.130 LINK
0.0280%
95
BitMart
LINK-ETH$18.31
0.0049963 Eth
$122,521.00
6,690.620 LINK
0.0244%
96
Binance
LINK-BRL$18.40
0.0050216 Eth
$107,829.00
5,921.170 LINK
0.0216%
97
Bitso
LINK-USD$18.32
0.0049989 Eth
$89,074.00
4,862.374 LINK
0.0178%
98
Kraken
LINK-GBP$18.17
0.0049581 Eth
$83,005.00
4,567.584 LINK
0.0167%
99
Coinbase Exchange
LINK-ETH$18.27
0.0049857 Eth
$74,095.00
4,054.650 LINK
0.0148%
100
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$18.20
0.0049652 Eth
$55,663.00
3,023.494 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0110%

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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