ETH Price: $3,708.36 (+4.59%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

723,889 ( -0.009%)

Market

Price

$18.61 @ 0.005018 ETH (+5.85%)

Onchain Market Cap

$18,610,000,000.00

Circulating Supply Market Cap

$11,667,904,142.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x70bf6634ee8cb27d04478f184b9b8bb13e5f4710
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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 16818.18% |ETH 0.0003846 1204.73%

Market

Volume (24H):$928,623,431.00
Market Capitalization:$11,667,904,142.00
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$18.62
0.0050195 Eth
$79,890,430.00
4,395,766.210 LINK
18.4555%
2
Coinbase Exchange
LINK-USD$18.62
0.0050178 Eth
$40,524,125.00
2,176,142.480 LINK
9.1365%
3
Upbit
LINK-KRW$18.52
0.0049910 Eth
$19,725,014.00
1,064,860.160 LINK
4.4708%
4
Bitget
LINK-USDT$18.62
0.0050168 Eth
$18,240,736.00
1,001,530.174 LINK
4.2049%
5
Bybit
LINK-USDT$18.63
0.0050191 Eth
$15,783,982.00
866,698.532 LINK
3.6388%
6
P2B
LINK-USDT$18.66
0.0050292 Eth
$15,589,384.00
835,255.020 LINK
3.5068%
7
BTSE
LINK-USDT$18.65
0.0050256 Eth
$14,474,119.00
775,929.911 LINK
3.2577%
8
HTX
LINK-USDT$18.61
0.0050151 Eth
$13,815,996.00
760,827.523 LINK
3.1943%
9
OKX
LINK-USDT$18.62
0.0050182 Eth
$13,668,483.00
750,747.599 LINK
3.1520%
10
Slex
LINK-USDT$18.68
0.0050358 Eth
$13,510,132.00
742,343.590 LINK
3.1167%
11
MEXC
LINK-USDT$18.61
0.0050269 Eth
$12,434,349.00
668,013.960 LINK
2.8046%
12
Ourbit
LINK-USDT$18.66
0.0050270 Eth
$11,199,802.00
616,533.940 LINK
2.5885%
13
Gate.io
LINK-USDT$18.64
0.0050229 Eth
$10,843,969.00
595,286.380 LINK
2.4993%
14
DigiFinex
LINK-USDT$18.62
0.0050169 Eth
$10,711,521.00
575,277.900 LINK
2.4153%
15
Bitunix
LINK-USDT$18.70
0.0050425 Eth
$10,285,365.00
550,118.450 LINK
2.3097%
16
XT.COM
LINK-USDT$18.70
0.0050412 Eth
$7,980,666.00
439,221.210 LINK
1.8441%
17
Coinstore
LINK-USDT$18.69
0.0050371 Eth
$7,203,056.00
396,099.730 LINK
1.6630%
18
CoinW
LINK-USDT$18.68
0.0050338 Eth
$7,120,465.00
381,150.820 LINK
1.6002%
19
Azbit
LINK-USDT$18.68
0.0050357 Eth
$6,910,224.00
381,626.880 LINK
1.6022%
20
Hotcoin
LINK-USDT$18.70
0.0050400 Eth
$6,802,797.00
363,854.720 LINK
1.5276%
21
Biconomy.com
LINK-USDT$18.64
0.0050260 Eth
$6,666,511.00
367,135.100 LINK
1.5414%
22
Toobit
LINK-USDT$18.67
0.0050319 Eth
$6,393,440.00
351,925.670 LINK
1.4775%
23
Binance
LINK-FDUSD$18.61
0.0050279 Eth
$5,058,485.00
278,571.680 LINK
1.1696%
24
Kraken
LINK-USD$18.67
0.0050312 Eth
$4,502,065.00
241,117.150 LINK
1.0123%
25
BYDFi
LINK-USDT$18.63
0.0050328 Eth
$4,422,009.00
237,320.850 LINK
0.9964%
26
Bithumb
LINK-KRW$18.49
0.0049828 Eth
$4,182,292.00
226,132.060 LINK
0.9494%
27
C-Patex
LINK-USDT$18.68
0.0050322 Eth
$3,778,377.00
202,309.521 LINK
0.8494%
28
KuCoin
LINK-USDT$18.62
0.0050182 Eth
$3,672,661.00
197,217.480 LINK
0.8280%
29
Binance
LINK-BTC$18.61
0.0050309 Eth
$3,389,841.00
187,543.850 LINK
0.7874%
30
ProBit Global
LINK-USDT$18.63
0.0050306 Eth
$3,179,266.00
170,613.420 LINK
0.7163%
31
Dex-Trade
LINK-USDT$18.63
0.0050334 Eth
$2,700,307.00
144,945.910 LINK
0.6085%
32
WhiteBIT
LINK-BTC$18.69
0.0050390 Eth
$2,467,718.00
132,027.120 LINK
0.5543%
33
Binance
LINK-USDC$18.66
0.0050278 Eth
$2,438,442.00
134,290.100 LINK
0.5638%
34
Bitvavo
LINK-EUR$18.69
0.0050386 Eth
$2,397,491.00
128,295.854 LINK
0.5386%
35
Trubit
LINK-USDT$18.61
0.0050272 Eth
$2,215,641.00
122,405.820 LINK
0.5139%
36
Dcoin
LINK-USDT$18.66
0.0050420 Eth
$2,026,918.00
108,628.000 LINK
0.4561%
37
CoinEx
LINK-USDT$18.68
0.0050341 Eth
$1,872,825.00
103,022.186 LINK
0.4325%
38
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.70
0.0050392 Eth
$1,671,519.00
89,509.462 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3758%
39
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.67
0.0050297 Eth
$1,577,284.00
84,410.699 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3544%
40
Tokpie
LINK-USDT$18.61
0.0050169 Eth
$1,519,715.00
81,665.561 LINK
0.3429%
41
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.65
0.0050263 Eth
$1,505,964.00
79,898.259 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3354%
42
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.69
0.0050345 Eth
$1,476,143.00
79,168.463 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3324%
43
Azbit
LINK-ETH$18.66
0.0050303 Eth
$1,298,189.00
69,613.333 LINK
0.2923%
44
EXMO
LINK-USDT$18.67
0.0050302 Eth
$1,232,889.00
66,042.638 LINK
0.2773%
45
Coinbase Exchange
LINK-EUR$18.68
0.0050360 Eth
$1,157,466.00
61,949.490 LINK
0.2601%
46
tanX
LINK-USDC$18.69
0.0050420 Eth
$1,153,020.00
63,501.380 LINK
0.2666%
47
Bitbank
LINK-JPY$18.70
0.0050395 Eth
$987,091.00
52,793.481 LINK
0.2217%
48
PointPay
LINK-USDT$18.69
0.0050342 Eth
$881,545.00
48,503.103 LINK
0.2036%
49
BigONE
LINK-USDT$18.63
0.0050190 Eth
$863,631.00
46,364.640 LINK
0.1947%
50
itBit
LINK-USD$18.68
0.0050364 Eth
$839,378.00
44,934.582 LINK
0.1887%
51
Phemex
LINK-USDT$18.63
0.0050189 Eth
$832,965.00
44,717.560 LINK
0.1877%
52
WhiteBIT
LINK-TRY$18.67
0.0050338 Eth
$792,919.00
42,461.680 LINK
0.1783%
53
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$18.54
0.0049970 Eth
$707,081.00
37,822.879 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1588%
54
ProBit Global
LINK-BTC$18.65
0.0050264 Eth
$703,345.00
37,720.255 LINK
0.1584%
55
BitStorage
LINK-USDT$18.68
0.0050325 Eth
$674,533.00
36,115.010 LINK
0.1516%
56
LATOKEN
LINK-BTC$18.72
0.0050471 Eth
$672,265.00
35,909.648 LINK
0.1508%
57
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$18.70
0.0050378 Eth
$652,892.00
34,897.347 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1465%
58
EarnBIT
LINK-USDT$18.73
0.0050503 Eth
$648,913.00
35,592.857 LINK
0.1494%
59
Binance
LINK-ETH$18.64
0.0050316 Eth
$598,413.00
32,056.960 LINK
0.1346%
60
KickEX
LINK-USDT$18.67
0.0050317 Eth
$558,201.00
29,891.290 LINK
0.1255%
61
Nonkyc.io
LINK-USDT$18.65
0.0050273 Eth
$534,318.00
29,483.113 LINK
0.1238%
62
Gemini
LINK-USD$18.70
0.0050413 Eth
$508,289.00
27,178.908 LINK
0.1141%
63
WEEX
LINK-USDC$18.70
0.0050414 Eth
$501,435.00
26,816.330 LINK
0.1126%
64
WhiteBIT
LINK-EUR$18.68
0.0050359 Eth
$434,971.00
23,280.340 LINK
0.0977%
65
Binance
LINK-TRY$18.62
0.0050305 Eth
$429,846.00
23,710.780 LINK
0.0995%
66
Binance
LINK-EUR$18.66
0.0050302 Eth
$422,946.00
23,256.500 LINK
0.0976%
67
Bybit
LINK-USDC$18.69
0.0050353 Eth
$418,103.00
22,962.557 LINK
0.0964%
68
Hotcoin
LINK-BTC$18.63
0.0050209 Eth
$380,849.00
20,440.060 LINK
0.0858%
69
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.67
0.0050386 Eth
$340,929.00
18,712.865 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0786%
70
Slex
LINK-ETH$18.63
0.0050342 Eth
$333,017.00
17,884.110 LINK
0.0751%
71
BitMart
LINK-BTC$18.69
0.0050361 Eth
$305,749.00
16,358.180 LINK
0.0687%
72
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.70
0.0050378 Eth
$299,559.00
291,189.561 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.2225%
73
OKX
LINK-USDC$18.68
0.0050318 Eth
$283,502.00
15,499.114 LINK
0.0651%
74
Coinbase Exchange
LINK-USDT$18.66
0.0050272 Eth
$271,655.00
14,560.210 LINK
0.0611%
75
Coinbase Exchange
LINK-GBP$18.62
0.0050175 Eth
$244,843.00
13,152.520 LINK
0.0552%
76
Bitcointry
LINK-USDT$18.64
0.0050241 Eth
$237,203.00
13,082.168 LINK
0.0549%
77
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$18.62
0.0050294 Eth
$233,280.00
12,858.596 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0540%
78
BYDFi
LINK-USDC$18.64
0.0050376 Eth
$228,190.00
12,240.430 LINK
0.0514%
79
Hotcoin
LINK-ETH$18.66
0.0050283 Eth
$226,682.00
12,147.310 LINK
0.0510%
80
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$18.73
0.0050451 Eth
$222,755.00
12,258.126 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0515%
81
BitDelta
LINK-USDT$18.69
0.0050346 Eth
$219,540.00
12,105.000 LINK
0.0508%
82
Coinbase Exchange
LINK-BTC$18.70
0.0050381 Eth
$218,535.00
11,688.540 LINK
0.0491%
83
KuCoin
LINK-USDC$18.68
0.0050344 Eth
$208,838.00
11,178.158 LINK
0.0469%
84
Coinone
LINK-KRW$18.49
0.0049832 Eth
$205,911.00
11,133.381 LINK
0.0467%
85
Slex
LINK-BTC$18.67
0.0050340 Eth
$193,800.00
10,698.800 LINK
0.0449%
86
Binance US
LINK-USDT$18.63
0.0050339 Eth
$184,037.00
9,878.915 LINK
0.0415%
87
Bitci TR
LINK-TRY$18.72
0.0050437 Eth
$183,818.00
10,136.550 LINK
0.0426%
88
GMO Japan
LINK-JPY$18.67
0.0050323 Eth
$182,250.00
9,761.400 LINK
0.0410%
89
BitStorage
LINK-ETH$18.68
0.0050338 Eth
$144,008.00
7,708.230 LINK
0.0324%
90
Bitkub
LINK-THB$18.61
0.0050159 Eth
$139,575.00
7,500.200 LINK
0.0315%
91
Binance
LINK-BNB$18.69
0.0050400 Eth
$132,996.00
7,056.826 LINK
0.0296%
92
PointPay
LINK-BTC$18.70
0.0050419 Eth
$129,771.00
7,165.890 LINK
0.0301%
93
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.64
0.0050229 Eth
$129,323.00
6,865.506 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0288%
94
Binance
LINK-BRL$18.63
0.0050203 Eth
$127,437.00
7,029.890 LINK
0.0295%
95
BitMart
LINK-ETH$18.67
0.0050318 Eth
$123,700.00
6,623.860 LINK
0.0278%
96
Quickswap (v3)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$18.69
0.0050345 Eth
$111,475.00
108,360.038 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.4549%
97
Kraken
LINK-GBP$18.62
0.0050168 Eth
$109,387.00
5,875.270 LINK
0.0247%
98
Mercado Bitcoin
LINK-BRL$18.60
0.0050112 Eth
$94,867.00
5,100.751 LINK
0.0214%
99
Bitso
LINK-USD$18.61
0.0050137 Eth
$87,965.00
4,727.815 LINK
0.0198%
100
Coinbase Exchange
LINK-ETH$18.67
0.0050322 Eth
$79,456.00
4,254.860 LINK
0.0179%

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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