ETH Price: $2,784.87 (-11.65%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

733,165 (0.00%)

Market

Price

$19.24 @ 0.006909 ETH (-17.13%)

Onchain Market Cap

$19,240,000,000.00

Circulating Supply Market Cap

$12,343,474,839.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0xd3b88afcc04934171ee4d1ba2588c0b5a91d9135
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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 17390.91% |ETH 0.0003846 1696.41%

Market

Volume (24H):$1,836,526,306.00
Market Capitalization:$12,343,474,839.00
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
Coinbase Exchange
LINK-USD$19.21
0.0068724 Eth
$88,751,485.00
4,621,029.120 LINK
10.6677%
2
Bybit
LINK-USDT$19.22
0.0068941 Eth
$74,236,602.00
3,537,345.097 LINK
8.1660%
3
Ourbit
LINK-USDT$19.19
0.0068843 Eth
$49,907,802.00
2,376,383.930 LINK
5.4859%
4
Gate.io
LINK-USDT$19.25
0.0069047 Eth
$43,553,010.00
2,060,539.920 LINK
4.7568%
5
OKX
LINK-USDT$19.23
0.0068989 Eth
$42,697,862.00
2,015,484.474 LINK
4.6528%
6
DigiFinex
LINK-USDT$19.20
0.0068853 Eth
$34,809,015.00
1,813,153.570 LINK
4.1857%
7
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$19.29
0.0069121 Eth
$34,285,508.00
1,726,077.690 0X514910771AF9CA656AF840DFF83E8264ECF986CA
3.9847%
8
XT.COM
LINK-USDT$19.29
0.0068953 Eth
$29,637,336.00
1,410,353.120 LINK
3.2558%
9
MEXC
LINK-USDT$19.21
0.0068750 Eth
$27,148,025.00
1,413,324.690 LINK
3.2627%
10
Azbit
LINK-USDT$19.31
0.0069044 Eth
$23,584,480.00
1,103,678.349 LINK
2.5479%
11
Bitget
LINK-USDT$19.24
0.0068990 Eth
$22,622,341.00
1,091,266.831 LINK
2.5192%
12
Coinstore
LINK-USDT$19.40
0.0069158 Eth
$22,325,657.00
1,059,002.630 LINK
2.4447%
13
Bitunix
LINK-USDT$19.28
0.0068995 Eth
$21,178,778.00
1,098,667.180 LINK
2.5363%
14
HTX
LINK-USDT$19.25
0.0069064 Eth
$20,017,351.00
932,201.583 LINK
2.1520%
15
Kraken
LINK-USD$19.23
0.0068977 Eth
$18,410,921.00
957,262.826 LINK
2.2099%
16
KuCoin
LINK-USDT$19.24
0.0069024 Eth
$18,288,136.00
950,524.501 LINK
2.1943%
17
Binance
LINK-USDC$19.20
0.0068861 Eth
$16,808,093.00
796,169.020 LINK
1.8380%
18
Slex
LINK-USDT$19.34
0.0069155 Eth
$16,077,303.00
736,339.170 LINK
1.6999%
19
BYDFi
LINK-USDT$19.21
0.0068836 Eth
$15,266,055.00
794,646.990 LINK
1.8345%
20
LATOKEN
LINK-USDT$19.22
0.0068870 Eth
$14,927,758.00
776,653.373 LINK
1.7929%
21
Binance
LINK-FDUSD$19.15
0.0068484 Eth
$13,883,201.00
658,087.220 LINK
1.5192%
22
Coinbase Exchange
LINK-EUR$19.20
0.0068890 Eth
$13,270,523.00
691,007.090 LINK
1.5952%
23
LBank
LINK-USDT$19.22
0.0068785 Eth
$13,236,723.00
688,744.720 LINK
1.5900%
24
QMall
LINK-USDT$19.25
0.0069025 Eth
$12,419,297.00
591,376.910 LINK
1.3652%
25
Poloniex
LINK-USDT$19.24
0.0068827 Eth
$12,069,122.00
556,891.800 LINK
1.2856%
26
Binance
LINK-BTC$19.58
0.0069356 Eth
$11,821,387.00
572,749.470 LINK
1.3222%
27
BTSE
LINK-USDT$19.22
0.0068948 Eth
$9,284,893.00
483,070.554 LINK
1.1152%
28
Coinbase Exchange
LINK-USDT$19.20
0.0068864 Eth
$7,775,471.00
405,070.111 LINK
0.9351%
29
Dex-Trade
LINK-USDT$19.22
0.0068864 Eth
$6,811,555.00
354,384.600 LINK
0.8181%
30
Hotcoin
LINK-USDT$19.25
0.0068810 Eth
$6,761,881.00
351,356.690 LINK
0.8111%
31
Bitvavo
LINK-EUR$19.26
0.0068997 Eth
$6,704,572.00
348,178.809 LINK
0.8038%
32
CoinEx
LINK-USDT$19.24
0.0069031 Eth
$6,049,720.00
283,311.725 LINK
0.6540%
33
WhiteBIT
LINK-USDT$19.42
0.0069464 Eth
$5,263,161.00
270,994.530 LINK
0.6256%
34
PointPay
LINK-USDT$19.44
0.0069318 Eth
$4,854,554.00
231,369.287 LINK
0.5341%
35
Biconomy.com
LINK-USDT$19.18
0.0068728 Eth
$4,539,774.00
213,263.550 LINK
0.4923%
36
FMCPAY
LINK-USDT$19.21
0.0068886 Eth
$4,470,622.00
207,426.916 LINK
0.4788%
37
Binance
LINK-ETH$19.22
0.0068875 Eth
$4,314,346.00
219,330.430 LINK
0.5063%
38
BingX
LINK-USDT$19.22
0.0068936 Eth
$3,938,190.00
187,442.945 LINK
0.4327%
39
Coinbase Exchange
LINK-GBP$19.21
0.0068825 Eth
$3,721,483.00
193,725.670 LINK
0.4472%
40
Kraken
LINK-EUR$19.21
0.0068894 Eth
$2,979,808.00
155,120.305 LINK
0.3581%
41
Phemex
LINK-USDT$19.22
0.0068936 Eth
$2,712,243.00
141,149.690 LINK
0.3258%
42
Binance
LINK-TRY$19.54
0.0070013 Eth
$2,561,875.00
121,275.490 LINK
0.2800%
43
Bitbank
LINK-JPY$19.35
0.0069402 Eth
$2,467,535.00
127,539.706 LINK
0.2944%
44
Bitstamp
LINK-EUR$19.23
0.0068950 Eth
$2,397,748.00
124,719.673 LINK
0.2879%
45
EXMO
LINK-USDT$19.23
0.0068994 Eth
$2,122,191.00
110,358.618 LINK
0.2548%
46
Bybit
LINK-USDC$19.22
0.0068935 Eth
$2,011,658.00
95,432.510 LINK
0.2203%
47
EarnBIT
LINK-USDT$19.24
0.0068849 Eth
$1,979,417.00
93,534.871 LINK
0.2159%
48
Binance
LINK-EUR$19.27
0.0068916 Eth
$1,922,567.00
91,057.790 LINK
0.2102%
49
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.28
0.0069152 Eth
$1,904,791.00
96,462.641 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2227%
50
BitStorage
LINK-USDT$19.25
0.0069036 Eth
$1,898,575.00
98,652.100 LINK
0.2277%
51
Kraken
LINK-USDT$19.19
0.0068836 Eth
$1,768,680.00
92,149.949 LINK
0.2127%
52
FMCPAY
LINK-BTC$19.22
0.0068929 Eth
$1,587,046.00
76,077.400 LINK
0.1756%
53
Bitstamp
LINK-USD$19.23
0.0068967 Eth
$1,568,486.00
81,564.514 LINK
0.1883%
54
FMCPAY
LINK-ETH$19.18
0.0068807 Eth
$1,537,927.00
77,076.160 LINK
0.1779%
55
WhiteBIT
LINK-TRY$19.54
0.0069888 Eth
$1,503,792.00
76,959.590 LINK
0.1777%
56
BigONE
LINK-USDT$19.17
0.0068549 Eth
$1,374,341.00
71,707.920 LINK
0.1655%
57
QMall
LINK-USDC$19.24
0.0069002 Eth
$1,314,392.00
62,186.960 LINK
0.1436%
58
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$19.03
0.0068273 Eth
$1,308,526.00
62,558.827 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1444%
59
XT.COM
LINK-ETH$19.31
0.0068971 Eth
$1,204,273.00
60,897.520 LINK
0.1406%
60
LATOKEN
LINK-BTC$19.73
0.0069640 Eth
$1,192,061.00
60,419.159 LINK
0.1395%
61
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.28
0.0069183 Eth
$1,181,845.00
1,269,256.785 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.9301%
62
ProBit Global
LINK-USDT$19.32
0.0069091 Eth
$1,162,591.00
60,184.036 LINK
0.1389%
63
HashKey Exchange
LINK-USD$19.33
0.0069326 Eth
$1,160,318.00
54,557.484 LINK
0.1259%
64
tanX
LINK-USDC$19.20
0.0068888 Eth
$1,045,407.00
48,123.420 LINK
0.1111%
65
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.32
0.0069206 Eth
$1,042,558.00
52,198.013 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1205%
66
GMO Japan
LINK-JPY$19.26
0.0068997 Eth
$1,019,879.00
52,958.600 LINK
0.1223%
67
Gemini
LINK-USD$19.34
0.0069375 Eth
$1,017,942.00
52,623.730 LINK
0.1215%
68
Coinbase Exchange
LINK-ETH$19.19
0.0068828 Eth
$1,004,765.00
52,366.500 LINK
0.1209%
69
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.09
0.0068463 Eth
$986,954.00
49,972.985 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1154%
70
Coinbase Exchange
LINK-BTC$19.23
0.0068986 Eth
$973,989.00
50,646.140 LINK
0.1169%
71
Trubit
LINK-USDT$19.20
0.0068898 Eth
$963,798.00
44,542.530 LINK
0.1028%
72
OKX
LINK-USDC$19.18
0.0068816 Eth
$915,179.00
43,674.483 LINK
0.1008%
73
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$19.30
0.0069242 Eth
$872,795.00
45,349.573 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1047%
74
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.18
0.0068773 Eth
$819,392.00
41,421.988 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0956%
75
itBit
LINK-USD$19.27
0.0068900 Eth
$795,279.00
41,270.298 LINK
0.0953%
76
ProBit Global
LINK-BTC$19.64
0.0069474 Eth
$735,839.00
37,464.541 LINK
0.0865%
77
BitDelta
LINK-USDT$19.22
0.0068918 Eth
$722,460.00
34,203.000 LINK
0.0790%
78
XT.COM
LINK-XT$19.50
0.0069160 Eth
$711,866.00
34,862.781 LINK
0.0805%
79
Azbit
LINK-ETH$19.33
0.0069110 Eth
$692,359.00
34,661.709 LINK
0.0800%
80
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.27
0.0069124 Eth
$681,320.00
34,390.599 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0794%
81
Kraken
LINK-XBT$19.19
0.0068834 Eth
$607,578.00
31,656.519 LINK
0.0731%
82
WhiteBIT
LINK-BTC$19.23
0.0068999 Eth
$589,874.00
30,672.570 LINK
0.0708%
83
Bitso
LINK-USD$19.22
0.0068954 Eth
$585,469.00
30,463.502 LINK
0.0703%
84
bitcastle
LINK-USDT$19.38
0.0069199 Eth
$542,208.00
25,807.980 LINK
0.0596%
85
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$19.28
0.0069183 Eth
$539,372.00
25,957.641 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0599%
86
Slex
LINK-BTC$19.28
0.0069079 Eth
$537,301.00
26,113.600 LINK
0.0603%
87
KuCoin
LINK-USDC$19.18
0.0068817 Eth
$512,852.00
26,735.764 LINK
0.0617%
88
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$19.23
0.0069004 Eth
$487,899.00
24,749.622 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0571%
89
PointPay
LINK-BTC$19.24
0.0068861 Eth
$467,805.00
22,892.667 LINK
0.0528%
90
WhiteBIT
LINK-EUR$19.67
0.0069578 Eth
$462,519.00
23,518.460 LINK
0.0543%
91
BitStorage
LINK-ETH$19.21
0.0068816 Eth
$427,635.00
22,263.860 LINK
0.0514%
92
Bittime
LINK-IDR$19.37
0.0069317 Eth
$425,315.00
20,880.400 LINK
0.0482%
93
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.16
0.0068646 Eth
$386,904.00
18,435.004 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0426%
94
Kraken
LINK-GBP$19.33
0.0069310 Eth
$350,189.00
18,120.415 LINK
0.0418%
95
Dex-Trade
LINK-BTC$19.19
0.0068853 Eth
$299,999.00
15,629.700 LINK
0.0361%
96
XT.COM
LINK-BTC$19.29
0.0069016 Eth
$297,760.00
14,589.280 LINK
0.0337%
97
BYDFi
LINK-USDC$19.49
0.0069204 Eth
$277,505.00
14,239.270 LINK
0.0329%
98
Slex
LINK-ETH$19.21
0.0068845 Eth
$250,065.00
12,493.570 LINK
0.0288%
99
Binance
LINK-BNB$19.28
0.0068789 Eth
$233,840.00
11,613.415 LINK
0.0268%
100
Mercado Bitcoin
LINK-BRL$19.41
0.0069628 Eth
$222,154.00
11,446.279 LINK
0.0264%

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

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Deployed Bytecode

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Swarm Source

bzzr://c5f438ff94e5ddaf2058efa0019e246c636c37a622e04bb67827c7374acad8d6
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