ETH Price: $3,972.47 (-0.57%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

725,410 ( -0.006%)

Market

Price

$25.03 @ 0.006301 ETH (-2.92%)

Onchain Market Cap

$25,030,000,000.00

Circulating Supply Market Cap

$15,692,592,258.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.114072443255062912 LINK

Value
$2.86 ( ~0.000719955052900057 Eth) [0.0000%]
0x979fdeeeb9e5edae6ddeedc807e49fe6e9bcedec
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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 22654.55% |ETH 0.0003846 1538.33%

Market

Volume (24H):$1,284,050,756.00
Market Capitalization:$15,692,592,258.00
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$25.12
0.0063174 Eth
$120,528,470.00
4,817,663.220 LINK
17.3081%
2
Coinbase Exchange
LINK-USD$25.05
0.0063058 Eth
$53,304,066.00
2,127,736.940 LINK
7.6442%
3
Bitget
LINK-USDT$25.11
0.0063149 Eth
$45,268,564.00
1,814,549.541 LINK
6.5190%
4
Bybit
LINK-USDT$25.12
0.0063189 Eth
$40,982,337.00
1,642,984.569 LINK
5.9026%
5
WhiteBIT
LINK-USDT$24.86
0.0062611 Eth
$27,805,568.00
1,118,675.640 LINK
4.0190%
6
Upbit
LINK-KRW$24.68
0.0062083 Eth
$27,491,917.00
1,113,782.113 LINK
4.0014%
7
P2B
LINK-USDT$25.06
0.0063077 Eth
$24,965,861.00
996,293.560 LINK
3.5793%
8
Slex
LINK-USDT$25.06
0.0063061 Eth
$24,244,388.00
971,297.470 LINK
3.4895%
9
MEXC
LINK-USDT$25.15
0.0063249 Eth
$20,159,757.00
801,673.530 LINK
2.8801%
10
Gate.io
LINK-USDT$25.11
0.0063164 Eth
$19,955,107.00
796,503.700 LINK
2.8615%
11
OKX
LINK-USDT$25.10
0.0063159 Eth
$18,203,507.00
727,840.472 LINK
2.6149%
12
Binance
LINK-FDUSD$25.08
0.0063061 Eth
$17,095,664.00
683,270.420 LINK
2.4547%
13
Ourbit
LINK-USDT$25.01
0.0062926 Eth
$15,593,228.00
623,262.330 LINK
2.2391%
14
DigiFinex
LINK-USDT$25.12
0.0063188 Eth
$15,504,808.00
617,166.380 LINK
2.2172%
15
HTX
LINK-USDT$25.12
0.0063195 Eth
$15,037,876.00
601,971.762 LINK
2.1627%
16
BTSE
LINK-USDT$24.94
0.0062788 Eth
$14,657,602.00
587,830.041 LINK
2.1119%
17
Bitunix
LINK-USDT$25.06
0.0063081 Eth
$14,639,835.00
583,985.230 LINK
2.0980%
18
Azbit
LINK-USDT$25.05
0.0063024 Eth
$11,989,902.00
480,477.030 LINK
1.7262%
19
XT.COM
LINK-USDT$24.97
0.0062742 Eth
$11,811,954.00
471,879.190 LINK
1.6953%
20
Coinstore
LINK-USDT$25.09
0.0063122 Eth
$10,908,240.00
435,533.560 LINK
1.5647%
21
BVOX
LINK-USDT$25.04
0.0062977 Eth
$10,703,132.00
428,095.170 LINK
1.5380%
22
CoinW
LINK-USDT$25.05
0.0063048 Eth
$10,006,402.00
399,499.740 LINK
1.4353%
23
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$25.08
0.0063108 Eth
$8,404,653.00
335,431.517 0X514910771AF9CA656AF840DFF83E8264ECF986CA
1.2051%
24
Biconomy.com
LINK-USDT$25.03
0.0062947 Eth
$7,626,141.00
305,232.110 LINK
1.0966%
25
Kraken
LINK-USD$25.15
0.0063270 Eth
$7,217,442.00
286,958.470 LINK
1.0309%
26
KuCoin
LINK-USDT$25.12
0.0063189 Eth
$7,156,698.00
284,906.791 LINK
1.0236%
27
BYDFi
LINK-USDT$25.03
0.0062967 Eth
$6,630,416.00
264,847.850 LINK
0.9515%
28
Hotcoin
LINK-USDT$25.07
0.0063097 Eth
$5,843,872.00
233,111.750 LINK
0.8375%
29
Bithumb
LINK-KRW$24.69
0.0062110 Eth
$5,452,709.00
220,843.248 LINK
0.7934%
30
LBank
LINK-USDT$25.00
0.0062887 Eth
$4,918,160.00
196,693.160 LINK
0.7066%
31
Bitvavo
LINK-EUR$24.99
0.0062889 Eth
$4,608,499.00
184,431.404 LINK
0.6626%
32
Dex-Trade
LINK-USDT$25.02
0.0062938 Eth
$4,036,770.00
161,314.400 LINK
0.5795%
33
Kraken
LINK-EUR$25.09
0.0063123 Eth
$3,977,658.00
158,515.397 LINK
0.5695%
34
FMCPAY
LINK-USDT$25.05
0.0063036 Eth
$3,043,781.00
121,793.403 LINK
0.4376%
35
Binance
LINK-USDC$24.92
0.0062766 Eth
$2,976,037.00
118,537.870 LINK
0.4259%
36
CoinEx
LINK-USDT$25.04
0.0062980 Eth
$2,541,598.00
101,684.456 LINK
0.3653%
37
ProBit Global
LINK-USDT$24.93
0.0062791 Eth
$2,291,021.00
91,903.055 LINK
0.3302%
38
Azbit
LINK-ETH$25.07
0.0063081 Eth
$2,122,229.00
85,493.150 LINK
0.3071%
39
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$25.07
0.0063074 Eth
$2,009,137.00
80,436.333 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2890%
40
Dcoin
LINK-USDT$25.07
0.0063097 Eth
$1,977,240.00
78,872.000 LINK
0.2834%
41
Crypto.com Exchange
LINK-USDT$25.13
0.0063204 Eth
$1,904,820.00
75,801.430 LINK
0.2723%
42
EXMO
LINK-USDT$25.13
0.0063207 Eth
$1,854,119.00
73,791.244 LINK
0.2651%
43
AscendEX (BitMax)
LINK-USDT$25.11
0.0063182 Eth
$1,709,994.00
68,093.600 LINK
0.2446%
44
FMCPAY
LINK-ETH$25.05
0.0063053 Eth
$1,564,588.00
62,992.289 LINK
0.2263%
45
CEX.IO
LINK-USDT$24.87
0.0062573 Eth
$1,539,283.00
61,208.447 LINK
0.2199%
46
WhiteBIT
LINK-BTC$25.05
0.0063025 Eth
$1,332,844.00
53,206.890 LINK
0.1912%
47
PointPay
LINK-USDT$25.10
0.0063139 Eth
$1,323,135.00
52,848.589 LINK
0.1899%
48
WhiteBIT
LINK-TRY$25.18
0.0063378 Eth
$1,316,187.00
52,272.530 LINK
0.1878%
49
Trubit
LINK-USDT$25.06
0.0063072 Eth
$1,300,738.00
52,170.000 LINK
0.1874%
50
Phemex
LINK-USDT$25.09
0.0063137 Eth
$1,280,320.00
51,019.310 LINK
0.1833%
51
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$25.09
0.0063125 Eth
$1,217,241.00
49,552.573 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1780%
52
Kraken
LINK-USDT$25.12
0.0063186 Eth
$1,144,532.00
45,566.177 LINK
0.1637%
53
tanX
LINK-USDC$25.05
0.0063003 Eth
$1,088,962.00
43,692.460 LINK
0.1570%
54
BitStorage
LINK-USDT$25.08
0.0063112 Eth
$967,117.00
38,553.920 LINK
0.1385%
55
Coinbase Exchange
LINK-EUR$25.06
0.0063078 Eth
$943,149.00
37,631.630 LINK
0.1352%
56
Bitstamp
LINK-USD$25.03
0.0062975 Eth
$888,808.00
35,509.708 LINK
0.1276%
57
EarnBIT
LINK-USDT$25.07
0.0063066 Eth
$835,503.00
33,428.994 LINK
0.1201%
58
Bybit
LINK-USDC$25.13
0.0063196 Eth
$834,566.00
33,274.142 LINK
0.1195%
59
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$24.93
0.0062714 Eth
$799,678.00
31,922.410 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1147%
60
ProBit Global
LINK-BTC$24.90
0.0062612 Eth
$799,366.00
32,103.778 LINK
0.1153%
61
Gemini
LINK-USD$25.05
0.0063025 Eth
$797,999.00
31,856.235 LINK
0.1144%
62
Binance
LINK-BRL$25.07
0.0063123 Eth
$768,002.00
30,663.550 LINK
0.1102%
63
Coinbase Exchange
LINK-USDT$25.14
0.0063263 Eth
$712,605.00
28,340.581 LINK
0.1018%
64
Bitbank
LINK-JPY$25.08
0.0063106 Eth
$676,102.00
26,954.850 LINK
0.0968%
65
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$24.89
0.0062631 Eth
$667,204.00
37,020.681 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.1330%
66
Bitstamp
LINK-EUR$25.04
0.0063004 Eth
$619,325.00
24,731.912 LINK
0.0889%
67
itBit
LINK-USD$25.06
0.0063049 Eth
$613,467.00
24,479.946 LINK
0.0879%
68
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.06
0.0063045 Eth
$612,858.00
24,379.059 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0876%
69
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.09
0.0063119 Eth
$582,943.00
23,276.303 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0836%
70
BigONE
LINK-USDT$24.98
0.0062843 Eth
$516,391.00
20,673.700 LINK
0.0743%
71
WEEX
LINK-USDC$25.05
0.0063019 Eth
$500,687.00
19,985.278 LINK
0.0718%
72
BitMart
LINK-BTC$25.03
0.0063011 Eth
$472,111.00
18,858.340 LINK
0.0678%
73
Coinbase Exchange
LINK-BTC$25.04
0.0063030 Eth
$443,148.00
17,695.220 LINK
0.0636%
74
Slex
LINK-ETH$25.04
0.0063016 Eth
$441,471.00
17,788.750 LINK
0.0639%
75
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$25.07
0.0063073 Eth
$384,146.00
15,376.517 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0552%
76
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$25.07
0.0063067 Eth
$375,731.00
15,046.773 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0541%
77
OKX
LINK-USDC$25.05
0.0063035 Eth
$364,858.00
14,583.148 LINK
0.0524%
78
WhiteBIT
LINK-EUR$24.90
0.0062606 Eth
$322,552.00
12,952.850 LINK
0.0465%
79
BitStorage
LINK-ETH$25.05
0.0063011 Eth
$317,236.00
12,662.400 LINK
0.0455%
80
BitMart
LINK-ETH$25.05
0.0063053 Eth
$268,104.00
10,702.120 LINK
0.0384%
81
Coinbase Exchange
LINK-GBP$25.02
0.0062982 Eth
$263,267.00
10,520.440 LINK
0.0378%
82
Binance US
LINK-USDT$25.01
0.0062951 Eth
$238,677.00
9,543.723 LINK
0.0343%
83
Bitcointry
LINK-USDT$25.02
0.0062919 Eth
$229,001.00
9,164.716 LINK
0.0329%
84
GMO Japan
LINK-JPY$25.16
0.0063269 Eth
$227,160.00
9,030.100 LINK
0.0324%
85
Kraken
LINK-GBP$25.06
0.0063036 Eth
$226,012.00
9,019.287 LINK
0.0324%
86
BitDelta
LINK-USDT$25.09
0.0063095 Eth
$221,035.00
8,829.000 LINK
0.0317%
87
PointPay
LINK-BTC$25.07
0.0063095 Eth
$215,501.00
8,601.170 LINK
0.0309%
88
Kraken
LINK-ETH$25.13
0.0063210 Eth
$179,725.00
7,152.463 LINK
0.0257%
89
Coinone
LINK-KRW$24.65
0.0062015 Eth
$175,727.00
7,129.365 LINK
0.0256%
90
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$25.13
0.0063225 Eth
$172,343.00
6,871.120 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0247%
91
Bitkub
LINK-THB$24.96
0.0062712 Eth
$162,840.00
6,524.702 LINK
0.0234%
92
KuCoin
LINK-BTC$25.12
0.0063188 Eth
$150,655.00
5,997.615 LINK
0.0215%
93
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$25.06
0.0063049 Eth
$147,230.00
147,338.927 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.5293%
94
Bitso
LINK-USD$25.04
0.0062989 Eth
$144,337.00
5,765.129 LINK
0.0207%
95
EXMO
LINK-BTC$25.32
0.0063689 Eth
$115,029.00
4,543.309 LINK
0.0163%
96
BYDFi
LINK-USDC$25.07
0.0063107 Eth
$106,674.00
4,254.380 LINK
0.0153%
97
Coinbase Exchange
LINK-ETH$25.13
0.0063203 Eth
$91,351.00
3,635.830 LINK
0.0131%
98
Mercado Bitcoin
LINK-BRL$24.96
0.0062826 Eth
$76,150.00
3,050.907 LINK
0.0110%
99
Tokpie
LINK-USDT$24.79
0.0062429 Eth
$35,511.00
1,432.700 LINK
0.0051%
100
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$24.97
0.0062827 Eth
$19,016.04
759.384 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0027%

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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