ETH Price: $3,292.73 (-1.71%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

728,088 ( 0.019%)

Market

Price

$25.52 @ 0.007750 ETH (-0.71%)

Onchain Market Cap

$25,520,000,000.00

Circulating Supply Market Cap

$16,250,300,872.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
44.555 LINK

Value
$1,137.04 ( ~0.345318589515253 Eth) [0.0000%]
0x9f17ddbae87471cd443758897c9e997cba083a82
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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 23100% |ETH 0.0003846 1915.08%

Market

Volume (24H):$2,869,506,382.00
Market Capitalization:$16,250,300,872.00
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$25.76
0.0078283 Eth
$140,130,135.00
5,440,679.240 LINK
12.0554%
2
Bybit
LINK-USDT$25.68
0.0078036 Eth
$120,037,426.00
4,746,525.762 LINK
10.5173%
3
P2B
LINK-USDT$25.67
0.0078031 Eth
$61,711,626.00
2,404,046.500 LINK
5.3269%
4
Ourbit
LINK-USDT$25.69
0.0078069 Eth
$60,465,909.00
2,398,134.750 LINK
5.3138%
5
OKX
LINK-USDT$25.68
0.0078064 Eth
$56,506,266.00
2,234,360.827 LINK
4.9509%
6
Gate.io
LINK-USDT$25.65
0.0077966 Eth
$53,119,984.00
2,105,674.820 LINK
4.6657%
7
DigiFinex
LINK-USDT$25.69
0.0078062 Eth
$50,968,380.00
1,984,143.170 LINK
4.3965%
8
XT.COM
LINK-USDT$25.64
0.0077943 Eth
$38,886,802.00
1,538,312.070 LINK
3.4086%
9
MEXC
LINK-USDT$25.67
0.0078031 Eth
$36,245,077.00
1,411,966.630 LINK
3.1286%
10
Bitget
LINK-USDT$25.67
0.0078005 Eth
$35,792,427.00
1,413,079.494 LINK
3.1311%
11
Bitunix
LINK-USDT$25.57
0.0077741 Eth
$30,318,113.00
1,185,904.460 LINK
2.6277%
12
Coinstore
LINK-USDT$25.70
0.0078114 Eth
$28,912,059.00
1,145,927.180 LINK
2.5391%
13
HTX
LINK-USDT$25.69
0.0078068 Eth
$28,417,332.00
1,134,494.185 LINK
2.5138%
14
Slex
LINK-USDT$25.65
0.0077940 Eth
$23,977,746.00
959,098.160 LINK
2.1252%
15
BYDFi
LINK-USDT$25.67
0.0078031 Eth
$22,142,413.00
862,581.910 LINK
1.9113%
16
KuCoin
LINK-USDT$25.67
0.0077982 Eth
$21,126,424.00
823,084.747 LINK
1.8238%
17
Binance
LINK-FDUSD$25.75
0.0078240 Eth
$19,989,355.00
789,402.360 LINK
1.7492%
18
LBank
LINK-USDT$25.65
0.0077911 Eth
$18,836,795.00
734,519.830 LINK
1.6275%
19
Kraken
LINK-USD$25.76
0.0078306 Eth
$17,464,769.00
677,969.886 LINK
1.5022%
20
LATOKEN
LINK-USDT$25.64
0.0077944 Eth
$16,174,351.00
630,790.135 LINK
1.3977%
21
Binance
LINK-USDC$25.74
0.0078242 Eth
$16,117,381.00
637,873.650 LINK
1.4134%
22
Hotcoin
LINK-USDT$25.37
0.0077143 Eth
$15,981,842.00
630,072.780 LINK
1.3961%
23
QMall
LINK-USDT$25.69
0.0078087 Eth
$15,890,083.00
628,477.323 LINK
1.3926%
24
WhiteBIT
LINK-BTC$25.72
0.0078175 Eth
$14,354,471.00
558,164.410 LINK
1.2368%
25
BTSE
LINK-USDT$25.65
0.0077966 Eth
$14,120,884.00
550,469.730 LINK
1.2197%
26
Coinbase Exchange
LINK-EUR$25.67
0.0078008 Eth
$13,354,154.00
520,302.750 LINK
1.1529%
27
Binance
LINK-BTC$25.72
0.0078150 Eth
$12,594,438.00
505,400.290 LINK
1.1199%
28
Bitvavo
LINK-EUR$25.58
0.0077742 Eth
$9,920,605.00
387,852.684 LINK
0.8594%
29
Coinbase Exchange
LINK-GBP$25.67
0.0078005 Eth
$9,851,298.00
383,838.360 LINK
0.8505%
30
Dex-Trade
LINK-USDT$25.74
0.0078244 Eth
$9,104,572.00
353,715.876 LINK
0.7838%
31
WhiteBIT
LINK-TRY$25.81
0.0078472 Eth
$8,828,994.00
342,011.410 LINK
0.7578%
32
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$24.77
0.0075286 Eth
$8,350,742.00
331,936.634 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.7355%
33
PointPay
LINK-USDT$25.59
0.0077775 Eth
$6,056,999.00
239,539.718 LINK
0.5308%
34
CoinEx
LINK-USDT$25.78
0.0078348 Eth
$5,348,597.00
213,738.926 LINK
0.4736%
35
BingX
LINK-USDT$25.67
0.0078005 Eth
$5,286,784.00
209,022.970 LINK
0.4632%
36
FMCPAY
LINK-USDT$25.53
0.0077606 Eth
$4,289,296.00
171,987.417 LINK
0.3811%
37
WhiteBIT
LINK-EUR$25.74
0.0078253 Eth
$4,081,756.00
158,559.340 LINK
0.3513%
38
Kraken
LINK-EUR$25.75
0.0078262 Eth
$3,732,094.00
144,958.594 LINK
0.3212%
39
Phemex
LINK-USDT$25.75
0.0078274 Eth
$3,657,034.00
142,021.990 LINK
0.3147%
40
Tokpie
LINK-USDT$25.03
0.0076202 Eth
$3,602,365.00
143,909.013 LINK
0.3189%
41
Coinbase Exchange
LINK-USDT$25.63
0.0077874 Eth
$3,557,973.00
138,805.241 LINK
0.3076%
42
Binance
LINK-TRY$25.80
0.0078405 Eth
$3,007,109.00
117,205.180 LINK
0.2597%
43
Bitbank
LINK-JPY$25.77
0.0078302 Eth
$2,984,383.00
115,827.321 LINK
0.2566%
44
BigONE
LINK-USDT$25.68
0.0078014 Eth
$2,804,126.00
109,201.420 LINK
0.2420%
45
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$25.69
0.0078086 Eth
$2,753,071.00
109,053.772 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.2416%
46
BitStorage
LINK-USDT$25.58
0.0077703 Eth
$2,727,396.00
106,637.730 LINK
0.2363%
47
EarnBIT
LINK-USDT$25.66
0.0078004 Eth
$2,699,941.00
106,817.712 LINK
0.2367%
48
EXMO
LINK-USDT$25.80
0.0078388 Eth
$2,670,503.00
103,524.890 LINK
0.2294%
49
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$24.74
0.0075196 Eth
$2,608,682.00
103,094.804 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.2284%
50
Kraken
LINK-USDT$25.78
0.0078358 Eth
$2,496,081.00
96,831.813 LINK
0.2146%
51
BitMart
LINK-USDT$25.71
0.0078139 Eth
$2,494,091.00
97,011.000 LINK
0.2150%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$25.21
0.0076636 Eth
$2,344,323.00
94,154.490 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2086%
53
Bitstamp
LINK-EUR$25.73
0.0078184 Eth
$2,336,523.00
90,815.394 LINK
0.2012%
54
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X514910771AF9CA656AF840DFF83E8264ECF986CA$25.42
0.0077273 Eth
$2,171,647.00
158,420.193 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.3510%
55
FMCPAY
LINK-ETH$25.57
0.0077707 Eth
$2,170,327.00
86,856.800 LINK
0.1925%
56
ProBit Global
LINK-USDT$25.65
0.0077914 Eth
$2,031,006.00
79,195.078 LINK
0.1755%
57
Binance
LINK-ETH$25.44
0.0077346 Eth
$1,953,983.00
77,248.680 LINK
0.1712%
58
FMCPAY
LINK-BTC$25.57
0.0077709 Eth
$1,803,878.00
72,635.800 LINK
0.1609%
59
Bybit
LINK-USDC$25.66
0.0077974 Eth
$1,782,077.00
70,730.176 LINK
0.1567%
60
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$24.63
0.0074874 Eth
$1,680,731.00
67,453.098 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1495%
61
Binance
LINK-EUR$25.54
0.0077770 Eth
$1,677,686.00
66,413.500 LINK
0.1472%
62
itBit
LINK-USD$25.71
0.0078143 Eth
$1,500,850.00
58,376.134 LINK
0.1293%
63
Gemini
LINK-USD$25.66
0.0077980 Eth
$1,486,969.00
57,946.845 LINK
0.1284%
64
Nonkyc.io
LINK-USDT$25.78
0.0078352 Eth
$1,327,310.00
53,435.890 LINK
0.1184%
65
QMall
LINK-USDC$25.77
0.0078298 Eth
$1,275,551.00
50,541.812 LINK
0.1120%
66
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$25.74
0.0078234 Eth
$1,244,258.00
49,275.959 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.1092%
67
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$24.65
0.0074907 Eth
$1,237,109.00
49,535.156 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1098%
68
OKX
LINK-USDC$25.70
0.0078124 Eth
$1,209,862.00
47,995.515 LINK
0.1063%
69
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$25.06
0.0076147 Eth
$1,197,889.00
47,732.218 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1058%
70
LATOKEN
LINK-BTC$25.68
0.0078031 Eth
$1,078,385.00
41,985.303 LINK
0.0930%
71
Kraken
LINK-XBT$25.75
0.0078274 Eth
$1,076,939.00
41,822.799 LINK
0.0927%
72
XT.COM
LINK-XT$25.70
0.0078125 Eth
$1,051,281.00
42,296.953 LINK
0.0937%
73
GMO Japan
LINK-JPY$25.78
0.0078360 Eth
$931,697.00
36,137.200 LINK
0.0801%
74
tanX
LINK-USDC$25.53
0.0077668 Eth
$846,180.00
34,079.850 LINK
0.0755%
75
Coinbase Exchange
LINK-BTC$25.65
0.0077940 Eth
$824,323.00
32,132.260 LINK
0.0712%
76
Trubit
LINK-USDT$25.58
0.0077760 Eth
$823,665.00
32,890.550 LINK
0.0729%
77
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$24.58
0.0074695 Eth
$730,010.00
29,227.118 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0648%
78
BitMart
LINK-BTC$25.71
0.0078127 Eth
$722,372.00
28,101.940 LINK
0.0623%
79
Uniswap V3 (Optimism)
0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6-0X4200000000000000000000000000000000000006$25.28
0.0076852 Eth
$713,209.00
28,572.984 0X350A791BFC2C21F9ED5D10980DAD2E2638FFA7F6
0.0633%
80
bitcastle
LINK-USDT$25.60
0.0077783 Eth
$695,318.00
27,520.920 LINK
0.0610%
81
Bitkub
LINK-THB$25.49
0.0077593 Eth
$685,550.00
26,899.179 LINK
0.0596%
82
BitDelta
LINK-USDT$25.53
0.0077609 Eth
$663,160.00
26,417.000 LINK
0.0585%
83
Slex
LINK-BTC$25.52
0.0077543 Eth
$657,041.00
26,325.900 LINK
0.0583%
84
HashKey Exchange
LINK-USD$25.66
0.0077986 Eth
$649,718.00
25,738.502 LINK
0.0570%
85
BitMart
LINK-ETH$25.66
0.0077997 Eth
$643,315.00
25,071.900 LINK
0.0556%
86
Binance
LINK-BNB$25.55
0.0077662 Eth
$549,619.00
21,682.478 LINK
0.0480%
87
BYDFi
LINK-USDC$25.50
0.0077629 Eth
$545,754.00
21,404.000 LINK
0.0474%
88
XT.COM
LINK-ETH$25.59
0.0077777 Eth
$545,273.00
21,570.690 LINK
0.0478%
89
Bittime
LINK-IDR$24.98
0.0076170 Eth
$541,688.00
21,350.110 LINK
0.0473%
90
Kraken
LINK-ETH$25.72
0.0078180 Eth
$504,145.00
19,602.156 LINK
0.0434%
91
Coinbase Exchange
LINK-ETH$25.69
0.0078055 Eth
$496,131.00
19,315.010 LINK
0.0428%
92
PointPay
LINK-BTC$25.29
0.0077030 Eth
$479,568.00
19,298.569 LINK
0.0428%
93
Bitso
LINK-USD$25.73
0.0078188 Eth
$479,403.00
18,632.136 LINK
0.0413%
94
Azbit
LINK-ETH$25.61
0.0077839 Eth
$471,961.00
18,893.894 LINK
0.0419%
95
Slex
LINK-ETH$25.63
0.0077906 Eth
$439,292.00
17,578.760 LINK
0.0390%
96
KuCoin
LINK-USDC$25.66
0.0077973 Eth
$425,079.00
16,562.942 LINK
0.0367%
97
Mercado Bitcoin
LINK-BRL$26.01
0.0079066 Eth
$367,436.00
14,126.612 LINK
0.0313%
98
Dex-Trade
LINK-BTC$25.73
0.0078200 Eth
$344,385.00
13,386.900 LINK
0.0297%
99
KuCoin
LINK-BTC$25.71
0.0078114 Eth
$316,192.00
12,297.988 LINK
0.0272%
100
CEX.IO
LINK-USD$25.71
0.0078138 Eth
$306,061.00
12,299.000 LINK
0.0273%

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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