ETH Price: $2,830.52 (-10.20%)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

733,160 (0.00%)

Market

Price

$19.69 @ 0.006956 ETH (-14.94%)

Onchain Market Cap

$19,690,000,000.00

Circulating Supply Market Cap

$12,529,626,617.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0xc520810c2cfe181ee294b4fa163ae36ca4dbac07
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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 17800% |ETH 0.0003846 1708.63%

Market

Volume (24H):$1,785,785,167.00
Market Capitalization:$12,529,626,617.00
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$19.62
0.0070107 Eth
$284,597,664.00
13,460,036.550 LINK
23.3666%
2
Coinbase Exchange
LINK-USD$19.71
0.0069568 Eth
$88,965,610.00
4,513,958.620 LINK
7.8362%
3
Bybit
LINK-USDT$19.73
0.0069795 Eth
$73,163,381.00
3,477,749.130 LINK
6.0374%
4
Ourbit
LINK-USDT$19.74
0.0069882 Eth
$48,748,449.00
2,319,174.930 LINK
4.0261%
5
Gate.io
LINK-USDT$19.64
0.0069465 Eth
$44,629,172.00
2,098,482.820 LINK
3.6430%
6
OKX
LINK-USDT$19.64
0.0069496 Eth
$42,404,452.00
1,998,410.625 LINK
3.4692%
7
P2B
LINK-USDT$19.61
0.0069446 Eth
$39,044,777.00
1,990,561.030 LINK
3.4556%
8
DigiFinex
LINK-USDT$19.64
0.0069500 Eth
$34,927,222.00
1,777,988.520 LINK
3.0866%
9
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$19.46
0.0068681 Eth
$33,311,909.00
1,681,788.206 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.9196%
10
XT.COM
LINK-USDT$19.78
0.0069830 Eth
$29,074,952.00
1,380,618.610 LINK
2.3968%
11
MEXC
LINK-USDT$19.78
0.0069842 Eth
$28,289,888.00
1,429,883.770 LINK
2.4823%
12
Azbit
LINK-USDT$19.72
0.0069593 Eth
$23,496,702.00
1,099,147.249 LINK
1.9081%
13
Coinstore
LINK-USDT$19.78
0.0069829 Eth
$22,129,378.00
1,046,658.160 LINK
1.8170%
14
Bitget
LINK-USDT$19.62
0.0069401 Eth
$21,916,140.00
1,054,742.533 LINK
1.8310%
15
Bitunix
LINK-USDT$19.66
0.0069596 Eth
$21,273,172.00
1,081,998.670 LINK
1.8784%
16
HTX
LINK-USDT$19.63
0.0069445 Eth
$19,756,920.00
917,408.609 LINK
1.5926%
17
Kraken
LINK-USD$19.66
0.0069539 Eth
$18,721,214.00
952,487.276 LINK
1.6535%
18
KuCoin
LINK-USDT$19.69
0.0069703 Eth
$18,456,197.00
937,101.673 LINK
1.6268%
19
Binance
LINK-USDC$19.80
0.0069903 Eth
$16,695,101.00
788,761.770 LINK
1.3693%
20
Slex
LINK-USDT$19.86
0.0070112 Eth
$16,087,184.00
734,761.390 LINK
1.2755%
21
BYDFi
LINK-USDT$19.90
0.0070271 Eth
$15,296,448.00
768,858.770 LINK
1.3347%
22
LATOKEN
LINK-USDT$19.76
0.0069744 Eth
$14,443,008.00
730,948.906 LINK
1.2689%
23
Binance
LINK-FDUSD$19.52
0.0069729 Eth
$13,449,631.00
636,339.380 LINK
1.1047%
24
LBank
LINK-USDT$19.79
0.0069877 Eth
$13,323,033.00
673,059.140 LINK
1.1684%
25
Coinbase Exchange
LINK-EUR$19.63
0.0069451 Eth
$13,177,500.00
671,139.690 LINK
1.1651%
26
QMall
LINK-USDT$19.83
0.0069980 Eth
$12,198,705.00
579,129.124 LINK
1.0054%
27
Binance
LINK-BTC$19.70
0.0069701 Eth
$11,814,845.00
571,403.460 LINK
0.9920%
28
BTSE
LINK-USDT$19.57
0.0069387 Eth
$9,198,554.00
469,915.760 LINK
0.8158%
29
Coinbase Exchange
LINK-USDT$19.72
0.0069591 Eth
$7,575,052.00
384,216.092 LINK
0.6670%
30
Dex-Trade
LINK-USDT$19.64
0.0069552 Eth
$6,900,540.00
351,264.380 LINK
0.6098%
31
Bitvavo
LINK-EUR$19.85
0.0070112 Eth
$6,887,316.00
346,970.424 LINK
0.6023%
32
Hotcoin
LINK-USDT$19.79
0.0069854 Eth
$6,720,975.00
339,590.730 LINK
0.5895%
33
CoinEx
LINK-USDT$19.60
0.0069640 Eth
$6,066,543.00
282,779.354 LINK
0.4909%
34
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.83
0.0069984 Eth
$5,725,435.00
285,881.018 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.4963%
35
WhiteBIT
LINK-USDT$19.81
0.0069919 Eth
$5,370,157.00
271,102.550 LINK
0.4706%
36
PointPay
LINK-USDT$19.72
0.0069603 Eth
$4,763,534.00
226,676.394 LINK
0.3935%
37
Biconomy.com
LINK-USDT$19.75
0.0069713 Eth
$4,513,652.00
211,389.760 LINK
0.3670%
38
FMCPAY
LINK-USDT$19.82
0.0069928 Eth
$4,404,889.00
203,835.428 LINK
0.3539%
39
Binance
LINK-ETH$19.76
0.0069964 Eth
$4,308,443.00
216,107.200 LINK
0.3752%
40
BingX
LINK-USDT$19.63
0.0069434 Eth
$3,874,046.00
183,999.078 LINK
0.3194%
41
Coinbase Exchange
LINK-GBP$19.79
0.0069842 Eth
$3,639,445.00
183,899.690 LINK
0.3193%
42
Kraken
LINK-EUR$19.64
0.0069486 Eth
$3,054,180.00
155,505.472 LINK
0.2700%
43
Phemex
LINK-USDT$19.75
0.0069909 Eth
$2,698,668.00
136,672.090 LINK
0.2373%
44
Binance
LINK-TRY$20.10
0.0070944 Eth
$2,489,372.00
117,592.470 LINK
0.2041%
45
Bitbank
LINK-JPY$19.85
0.0070085 Eth
$2,446,524.00
123,240.103 LINK
0.2139%
46
Bitstamp
LINK-EUR$19.81
0.0070081 Eth
$2,401,250.00
121,224.082 LINK
0.2104%
47
EXMO
LINK-USDT$19.68
0.0069634 Eth
$2,109,575.00
107,218.441 LINK
0.1861%
48
EarnBIT
LINK-USDT$19.82
0.0070186 Eth
$1,985,021.00
93,176.010 LINK
0.1618%
49
Bybit
LINK-USDC$19.71
0.0069735 Eth
$1,962,847.00
93,043.687 LINK
0.1615%
50
BitStorage
LINK-USDT$19.77
0.0069803 Eth
$1,924,734.00
97,347.260 LINK
0.1690%
51
Binance
LINK-EUR$19.60
0.0070017 Eth
$1,862,953.00
87,944.580 LINK
0.1527%
52
Kraken
LINK-USDT$19.63
0.0069463 Eth
$1,800,084.00
91,683.062 LINK
0.1592%
53
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.73
0.0069646 Eth
$1,713,525.00
85,405.046 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1483%
54
FMCPAY
LINK-BTC$19.88
0.0070131 Eth
$1,617,132.00
76,151.500 LINK
0.1322%
55
Bitstamp
LINK-USD$19.71
0.0069733 Eth
$1,592,351.00
80,788.998 LINK
0.1402%
56
FMCPAY
LINK-ETH$19.69
0.0069710 Eth
$1,553,192.00
76,638.720 LINK
0.1330%
57
WhiteBIT
LINK-TRY$20.15
0.0071120 Eth
$1,493,941.00
74,145.680 LINK
0.1287%
58
QMall
LINK-USDC$19.83
0.0069980 Eth
$1,320,516.00
62,273.373 LINK
0.1081%
59
BigONE
LINK-USDT$19.66
0.0070275 Eth
$1,313,859.00
66,845.100 LINK
0.1160%
60
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$19.82
0.0069951 Eth
$1,283,781.00
60,747.825 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1055%
61
ProBit Global
LINK-USDT$19.79
0.0069866 Eth
$1,205,372.00
60,897.087 LINK
0.1057%
62
LATOKEN
LINK-BTC$19.73
0.0069640 Eth
$1,192,061.00
60,419.159 LINK
0.1049%
63
XT.COM
LINK-ETH$19.77
0.0069668 Eth
$1,172,229.00
58,562.260 LINK
0.1017%
64
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.83
0.0069999 Eth
$1,167,210.00
1,222,506.004 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
2.1223%
65
HashKey Exchange
LINK-USD$19.88
0.0070269 Eth
$1,148,210.00
53,914.493 LINK
0.0936%
66
tanX
LINK-USDC$19.82
0.0069952 Eth
$1,053,051.00
48,377.570 LINK
0.0840%
67
Coinbase Exchange
LINK-ETH$19.71
0.0069722 Eth
$1,029,229.00
52,226.880 LINK
0.0907%
68
Gemini
LINK-USD$19.68
0.0069630 Eth
$1,019,364.00
51,794.340 LINK
0.0899%
69
Coinbase Exchange
LINK-BTC$19.76
0.0069758 Eth
$987,853.00
49,994.960 LINK
0.0868%
70
Trubit
LINK-USDT$19.83
0.0069902 Eth
$956,424.00
44,004.090 LINK
0.0764%
71
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.79
0.0069849 Eth
$949,189.00
47,125.428 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0818%
72
OKX
LINK-USDC$19.70
0.0069684 Eth
$904,117.00
43,138.104 LINK
0.0749%
73
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$19.76
0.0069743 Eth
$844,629.00
43,200.749 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0750%
74
itBit
LINK-USD$19.77
0.0069770 Eth
$824,843.00
41,721.932 LINK
0.0724%
75
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$19.83
0.0069983 Eth
$813,591.00
40,440.760 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0702%
76
ProBit Global
LINK-BTC$19.83
0.0069976 Eth
$745,804.00
37,617.506 LINK
0.0653%
77
BitDelta
LINK-USDT$19.83
0.0069963 Eth
$708,479.00
33,385.000 LINK
0.0580%
78
XT.COM
LINK-XT$19.83
0.0070004 Eth
$707,382.00
34,322.217 LINK
0.0596%
79
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.76
0.0069735 Eth
$660,727.00
32,894.975 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0571%
80
Bitso
LINK-USD$19.80
0.0069989 Eth
$601,102.00
30,357.632 LINK
0.0527%
81
WhiteBIT
LINK-BTC$19.61
0.0069387 Eth
$594,701.00
30,323.130 LINK
0.0526%
82
Slex
LINK-BTC$19.72
0.0069606 Eth
$541,869.00
25,921.200 LINK
0.0450%
83
bitcastle
LINK-USDT$19.78
0.0069787 Eth
$535,880.00
25,411.640 LINK
0.0441%
84
KuCoin
LINK-USDC$19.61
0.0069393 Eth
$524,262.00
26,738.028 LINK
0.0464%
85
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$19.72
0.0069598 Eth
$521,273.00
25,015.874 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0434%
86
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$19.63
0.0069492 Eth
$464,176.00
23,294.770 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0404%
87
WhiteBIT
LINK-EUR$19.67
0.0069578 Eth
$462,519.00
23,518.460 LINK
0.0408%
88
PointPay
LINK-BTC$19.50
0.0069292 Eth
$444,358.00
21,405.288 LINK
0.0372%
89
BitStorage
LINK-ETH$19.71
0.0069780 Eth
$433,414.00
21,990.530 LINK
0.0382%
90
Bittime
LINK-IDR$19.96
0.0070462 Eth
$388,415.00
19,017.560 LINK
0.0330%
91
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.86
0.0070090 Eth
$375,225.00
17,680.533 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0307%
92
Kraken
LINK-GBP$19.73
0.0069796 Eth
$356,594.00
18,075.613 LINK
0.0314%
93
Dex-Trade
LINK-BTC$19.77
0.0069809 Eth
$307,439.00
15,548.000 LINK
0.0270%
94
XT.COM
LINK-BTC$19.78
0.0069844 Eth
$296,700.00
14,347.070 LINK
0.0249%
95
BYDFi
LINK-USDC$19.46
0.0069567 Eth
$260,466.00
13,386.550 LINK
0.0232%
96
Slex
LINK-ETH$19.75
0.0069720 Eth
$251,293.00
12,358.660 LINK
0.0215%
97
Binance US
LINK-USDT$19.82
0.0070187 Eth
$239,612.00
12,086.791 LINK
0.0210%
98
Binance
LINK-BNB$19.53
0.0069772 Eth
$232,911.00
11,459.804 LINK
0.0199%
99
Foxbit
LINK-BRL$20.01
0.0070623 Eth
$219,093.00
10,411.627 LINK
0.0181%
100
Mercado Bitcoin
LINK-BRL$20.04
0.0070737 Eth
$218,325.00
10,894.583 LINK
0.0189%

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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