ETH Price: $3,912.09 (+2.56%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

724,705 ( 0.025%)

Market

Price

$24.47 @ 0.006255 ETH (+0.46%)

Onchain Market Cap

$24,470,000,000.00

Circulating Supply Market Cap

$15,330,186,231.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.114072443255062912 LINK

Value
$2.79 ( ~0.000713173736857245 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 22145.45% |ETH 0.0003846 1526.37%

Market

Volume (24H):$2,469,027,311.00
Market Capitalization:$15,330,186,231.00
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
Coinbase Exchange
LINK-USD$24.42
0.0062310 Eth
$134,008,220.00
5,487,642.090 LINK
11.9337%
2
Bitget
LINK-USDT$24.37
0.0062288 Eth
$74,626,942.00
3,088,149.953 LINK
6.7157%
3
Bybit
LINK-USDT$24.40
0.0062356 Eth
$63,841,067.00
2,643,880.780 LINK
5.7495%
4
Gate.io
LINK-USDT$24.41
0.0062377 Eth
$58,484,266.00
2,418,230.580 LINK
5.2588%
5
Upbit
LINK-KRW$24.17
0.0061758 Eth
$49,711,467.00
2,057,084.390 LINK
4.4735%
6
MEXC
LINK-USDT$24.46
0.0062386 Eth
$49,354,893.00
2,017,959.410 LINK
4.3884%
7
OKX
LINK-USDT$24.38
0.0062211 Eth
$40,542,195.00
1,680,426.079 LINK
3.6544%
8
Binance
LINK-FDUSD$24.41
0.0062266 Eth
$36,658,392.00
1,517,509.610 LINK
3.3001%
9
BTSE
LINK-USDT$24.42
0.0062246 Eth
$35,518,857.00
1,454,368.553 LINK
3.1628%
10
DigiFinex
LINK-USDT$24.37
0.0062289 Eth
$31,012,662.00
1,272,387.150 LINK
2.7670%
11
P2B
LINK-USDT$24.49
0.0062417 Eth
$30,775,437.00
1,256,460.590 LINK
2.7324%
12
Bitunix
LINK-USDT$24.44
0.0062319 Eth
$30,697,730.00
1,256,002.100 LINK
2.7314%
13
Ourbit
LINK-USDT$24.46
0.0062428 Eth
$30,048,466.00
1,244,154.030 LINK
2.7056%
14
Deepcoin
LINK-USDT$24.43
0.0062314 Eth
$26,099,978.00
1,130,224.347 LINK
2.4579%
15
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$24.12
0.0061568 Eth
$24,463,891.00
1,003,813.918 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.1830%
16
Slex
LINK-USDT$24.41
0.0062376 Eth
$23,450,341.00
970,993.830 LINK
2.1116%
17
XT.COM
LINK-USDT$24.47
0.0062381 Eth
$23,335,784.00
965,427.390 LINK
2.0995%
18
CoinW
LINK-USDT$24.51
0.0062446 Eth
$19,774,567.00
806,954.600 LINK
1.7549%
19
Coinstore
LINK-USDT$24.47
0.0062427 Eth
$19,431,747.00
803,563.120 LINK
1.7475%
20
Toobit
LINK-USDT$24.42
0.0062237 Eth
$18,567,151.00
768,754.790 LINK
1.6718%
21
Kraken
LINK-USD$24.41
0.0062282 Eth
$17,971,098.00
736,279.305 LINK
1.6012%
22
Bithumb
LINK-KRW$24.22
0.0061884 Eth
$17,579,809.00
725,978.048 LINK
1.5788%
23
Binance
LINK-BTC$24.40
0.0062347 Eth
$15,568,232.00
640,726.600 LINK
1.3934%
24
Poloniex
LINK-USDT$24.43
0.0062323 Eth
$15,242,118.00
631,048.173 LINK
1.3723%
25
KuCoin
LINK-USDT$24.35
0.0062232 Eth
$14,620,817.00
600,414.156 LINK
1.3057%
26
BYDFi
LINK-USDT$24.49
0.0062693 Eth
$13,411,471.00
547,665.790 LINK
1.1910%
27
Biconomy.com
LINK-USDT$24.52
0.0062664 Eth
$11,713,802.00
484,653.740 LINK
1.0540%
28
HTX
LINK-USDT$24.44
0.0062300 Eth
$9,370,260.00
388,805.232 LINK
0.8455%
29
Bitvavo
LINK-EUR$24.43
0.0062293 Eth
$8,580,521.00
351,199.395 LINK
0.7637%
30
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$24.51
0.0062552 Eth
$7,216,961.00
294,378.399 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.6402%
31
Coinbase Exchange
LINK-EUR$24.38
0.0062183 Eth
$6,833,172.00
280,300.100 LINK
0.6096%
32
Azbit
LINK-USDT$24.46
0.0062708 Eth
$6,712,883.00
277,874.920 LINK
0.6043%
33
Binance
LINK-USDC$24.45
0.0062384 Eth
$5,842,227.00
241,059.570 LINK
0.5242%
34
Dex-Trade
LINK-USDT$24.47
0.0062438 Eth
$5,804,690.00
237,214.238 LINK
0.5159%
35
Bitstamp
LINK-USD$24.44
0.0062363 Eth
$5,321,717.00
217,746.187 LINK
0.4735%
36
Kraken
LINK-EUR$24.42
0.0062309 Eth
$4,989,896.00
204,347.757 LINK
0.4444%
37
LATOKEN
LINK-USDT$24.46
0.0062577 Eth
$4,779,144.00
195,372.900 LINK
0.4249%
38
WhiteBIT
LINK-TRY$24.50
0.0062510 Eth
$4,613,138.00
188,309.530 LINK
0.4095%
39
Bitstamp
LINK-EUR$24.44
0.0062367 Eth
$4,471,156.00
182,933.450 LINK
0.3978%
40
CoinEx
LINK-USDT$24.49
0.0062444 Eth
$4,266,590.00
175,658.358 LINK
0.3820%
41
EXMO
LINK-USDT$24.38
0.0062205 Eth
$4,227,655.00
173,420.330 LINK
0.3771%
42
BingX
LINK-USDT$24.43
0.0062435 Eth
$4,223,699.00
174,624.498 LINK
0.3797%
43
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$24.55
0.0062665 Eth
$4,079,851.00
168,163.791 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3657%
44
BigONE
LINK-USDT$24.47
0.0062438 Eth
$4,030,042.00
164,694.630 LINK
0.3582%
45
itBit
LINK-USD$24.42
0.0062290 Eth
$3,906,459.00
159,969.648 LINK
0.3479%
46
FMCPAY
LINK-USDT$24.43
0.0062361 Eth
$3,693,896.00
153,396.625 LINK
0.3336%
47
Dcoin
LINK-USDT$24.49
0.0062417 Eth
$3,431,281.00
140,088.000 LINK
0.3046%
48
WhiteBIT
LINK-BTC$24.50
0.0062499 Eth
$3,420,683.00
139,614.700 LINK
0.3036%
49
Trubit
LINK-USDT$24.41
0.0062257 Eth
$3,280,692.00
135,910.970 LINK
0.2956%
50
Phemex
LINK-USDT$24.46
0.0062536 Eth
$2,620,836.00
107,156.530 LINK
0.2330%
51
PointPay
LINK-USDT$24.47
0.0062381 Eth
$2,558,170.00
105,865.995 LINK
0.2302%
52
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$24.37
0.0062198 Eth
$2,382,286.00
96,723.819 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.2103%
53
Kraken
LINK-USDT$24.46
0.0062426 Eth
$2,081,553.00
85,084.979 LINK
0.1850%
54
Gemini
LINK-USD$24.38
0.0062213 Eth
$2,065,141.00
84,702.570 LINK
0.1842%
55
FMCPAY
LINK-ETH$24.50
0.0062589 Eth
$1,986,941.00
81,154.720 LINK
0.1765%
56
FMCPAY
LINK-BTC$24.44
0.0062297 Eth
$1,922,008.00
79,185.900 LINK
0.1722%
57
EarnBIT
LINK-USDT$24.51
0.0062545 Eth
$1,918,933.00
79,600.502 LINK
0.1731%
58
ProBit Global
LINK-USDT$24.43
0.0062266 Eth
$1,903,913.00
77,932.814 LINK
0.1695%
59
Coinbase Exchange
LINK-USDT$24.48
0.0062464 Eth
$1,895,606.00
77,433.704 LINK
0.1684%
60
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$24.53
0.0062600 Eth
$1,793,422.00
72,902.188 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1585%
61
Kraken
LINK-XBT$24.46
0.0062416 Eth
$1,781,816.00
72,844.358 LINK
0.1584%
62
Binance
LINK-EUR$24.45
0.0062384 Eth
$1,776,831.00
73,497.580 LINK
0.1598%
63
BitStorage
LINK-USDT$24.51
0.0062521 Eth
$1,759,266.00
71,782.680 LINK
0.1561%
64
Hotcoin
LINK-ETH$24.54
0.0062539 Eth
$1,742,537.00
71,015.540 LINK
0.1544%
65
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$24.55
0.0062642 Eth
$1,705,873.00
69,338.394 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1508%
66
Coinbase Exchange
LINK-BTC$24.44
0.0062329 Eth
$1,546,946.00
63,290.740 LINK
0.1376%
67
Binance
LINK-ETH$24.45
0.0062364 Eth
$1,502,673.00
61,439.970 LINK
0.1336%
68
Binance
LINK-TRY$24.49
0.0062402 Eth
$1,413,342.00
58,086.930 LINK
0.1263%
69
Coinbase Exchange
LINK-GBP$24.34
0.0062080 Eth
$1,346,201.00
55,313.010 LINK
0.1203%
70
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$24.44
0.0062363 Eth
$1,307,424.00
54,075.194 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.1176%
71
Bybit
LINK-USDC$24.48
0.0062552 Eth
$1,285,960.00
53,246.830 LINK
0.1158%
72
LATOKEN
LINK-BTC$24.39
0.0062405 Eth
$1,183,150.00
48,500.782 LINK
0.1055%
73
Bitbank
LINK-JPY$24.44
0.0062367 Eth
$1,178,181.00
48,202.138 LINK
0.1048%
74
Azbit
LINK-ETH$24.47
0.0062427 Eth
$1,159,639.00
47,572.464 LINK
0.1035%
75
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$24.53
0.0062604 Eth
$1,090,313.00
44,619.144 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0970%
76
tanX
LINK-USDC$24.42
0.0062309 Eth
$1,038,423.00
43,135.230 LINK
0.0938%
77
ProBit Global
LINK-BTC$24.49
0.0062486 Eth
$1,013,740.00
41,387.172 LINK
0.0900%
78
WhiteBIT
LINK-EUR$24.41
0.0062214 Eth
$1,002,242.00
41,051.770 LINK
0.0893%
79
Slex
LINK-BTC$24.44
0.0062332 Eth
$818,480.00
33,647.000 LINK
0.0732%
80
HashKey Exchange
LINK-USD$24.37
0.0062185 Eth
$801,524.00
33,375.494 LINK
0.0726%
81
Binance
LINK-BRL$24.52
0.0062658 Eth
$778,705.00
32,002.260 LINK
0.0696%
82
BYDFi
LINK-USDC$24.46
0.0062639 Eth
$772,004.00
31,566.370 LINK
0.0686%
83
Binance
LINK-BNB$24.24
0.0061874 Eth
$750,215.00
30,957.282 LINK
0.0673%
84
BitMart
LINK-ETH$24.36
0.0062263 Eth
$743,645.00
30,522.760 LINK
0.0664%
85
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$24.40
0.0062276 Eth
$723,147.00
716,873.803 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.5590%
86
OKX
LINK-USDC$24.38
0.0062210 Eth
$711,842.00
29,344.518 LINK
0.0638%
87
PointPay
LINK-BTC$24.44
0.0062332 Eth
$593,212.00
24,440.075 LINK
0.0531%
88
WEEX
LINK-USDC$24.46
0.0062579 Eth
$500,060.00
20,441.836 LINK
0.0445%
89
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$24.66
0.0062936 Eth
$492,873.00
20,199.668 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0439%
90
Icrypex
LINK-USDT$24.54
0.0062610 Eth
$461,430.00
18,799.830 LINK
0.0409%
91
KuCoin
LINK-BTC$24.40
0.0062347 Eth
$434,633.00
17,815.555 LINK
0.0387%
92
BitDelta
LINK-USDT$24.42
0.0062321 Eth
$431,115.00
17,854.000 LINK
0.0388%
93
XT.COM
LINK-ETH$24.38
0.0062189 Eth
$418,796.00
17,143.730 LINK
0.0373%
94
Coinbase Exchange
LINK-ETH$24.53
0.0062531 Eth
$404,076.00
16,470.100 LINK
0.0358%
95
XT.COM
LINK-BTC$24.57
0.0062869 Eth
$393,118.00
16,195.700 LINK
0.0352%
96
Kraken
LINK-GBP$24.44
0.0062353 Eth
$378,484.00
15,488.777 LINK
0.0337%
97
Binance US
LINK-USDT$24.40
0.0062237 Eth
$299,644.00
12,279.719 LINK
0.0267%
98
Bitcointry
LINK-USDT$24.43
0.0062293 Eth
$295,498.00
12,233.180 LINK
0.0266%
99
Foxbit
LINK-BRL$24.54
0.0062613 Eth
$294,337.00
12,060.522 LINK
0.0262%
100
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$24.35
0.0062155 Eth
$61,748.00
2,534.406 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0055%

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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