ETH Price: $3,710.18 (+3.10%)

Token

ChainLink Token (LINK)
 

Overview

Max Total Supply

1,000,000,000 LINK

Holders

724,205 ( 0.027%)

Market

Price

$19.07 @ 0.005140 ETH (+4.50%)

Onchain Market Cap

$19,070,000,000.00

Circulating Supply Market Cap

$11,936,503,356.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0 LINK

Value
$0.00
0x3c80e55c25b72927e1c77617e4030cb53958b52f
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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 17236.36% |ETH 0.0003846 1236.45%

Market

Volume (24H):$1,092,946,144.00
Market Capitalization:$11,936,503,356.00
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$19.12
0.0051423 Eth
$93,943,668.00
5,039,528.280 LINK
16.3485%
2
Coinbase Exchange
LINK-USD$19.06
0.0051446 Eth
$53,058,257.00
2,783,310.950 LINK
9.0292%
3
WhiteBIT
LINK-USDT$19.05
0.0051397 Eth
$43,428,311.00
2,279,983.090 LINK
7.3964%
4
Bitget
LINK-USDT$19.06
0.0051356 Eth
$28,101,145.00
1,502,829.482 LINK
4.8753%
5
Bybit
LINK-USDT$19.07
0.0051389 Eth
$24,552,247.00
1,312,614.141 LINK
4.2582%
6
P2B
LINK-USDT$19.09
0.0051375 Eth
$19,808,431.00
1,037,510.240 LINK
3.3657%
7
Slex
LINK-USDT$19.04
0.0051384 Eth
$18,650,431.00
1,001,824.830 LINK
3.2500%
8
MEXC
LINK-USDT$19.08
0.0051410 Eth
$18,387,390.00
963,922.210 LINK
3.1270%
9
OKX
LINK-USDT$19.09
0.0051437 Eth
$17,269,313.00
924,884.535 LINK
3.0004%
10
BTSE
LINK-USDT$19.05
0.0051346 Eth
$16,883,136.00
886,047.049 LINK
2.8744%
11
Gate.io
LINK-USDT$19.06
0.0051348 Eth
$16,499,535.00
882,501.800 LINK
2.8629%
12
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$19.13
0.0051562 Eth
$15,195,136.00
803,315.276 0X514910771AF9CA656AF840DFF83E8264ECF986CA
2.6060%
13
HTX
LINK-USDT$19.05
0.0051400 Eth
$14,514,377.00
781,077.181 LINK
2.5339%
14
DigiFinex
LINK-USDT$19.06
0.0051376 Eth
$12,841,444.00
673,639.250 LINK
2.1853%
15
Ourbit
LINK-USDT$19.06
0.0051454 Eth
$12,775,381.00
685,576.110 LINK
2.2241%
16
Bitunix
LINK-USDT$19.01
0.0051355 Eth
$12,440,252.00
654,106.590 LINK
2.1220%
17
XT.COM
LINK-USDT$19.11
0.0051407 Eth
$9,389,220.00
503,733.920 LINK
1.6341%
18
Coinstore
LINK-USDT$19.07
0.0051395 Eth
$8,343,940.00
447,439.970 LINK
1.4515%
19
BVOX
LINK-USDT$19.12
0.0051446 Eth
$8,241,968.00
443,930.970 LINK
1.4401%
20
CoinW
LINK-USDT$19.05
0.0051411 Eth
$8,050,981.00
422,562.710 LINK
1.3708%
21
Hotcoin
LINK-USDT$19.05
0.0051417 Eth
$8,004,062.00
420,115.320 LINK
1.3629%
22
Toobit
LINK-USDT$19.03
0.0051357 Eth
$7,568,138.00
405,785.760 LINK
1.3164%
23
Biconomy.com
LINK-USDT$19.12
0.0051413 Eth
$7,380,502.00
396,224.360 LINK
1.2854%
24
Azbit
LINK-USDT$19.07
0.0051435 Eth
$6,157,341.00
330,221.200 LINK
1.0713%
25
BYDFi
LINK-USDT$19.07
0.0051298 Eth
$5,286,467.00
277,229.040 LINK
0.8993%
26
Binance
LINK-FDUSD$19.10
0.0051385 Eth
$5,130,858.00
276,027.250 LINK
0.8954%
27
Bithumb
LINK-KRW$18.95
0.0051081 Eth
$4,822,112.00
254,417.768 LINK
0.8253%
28
ProBit Global
LINK-USDT$19.09
0.0051462 Eth
$4,670,304.00
244,677.408 LINK
0.7937%
29
Kraken
LINK-USD$19.05
0.0051332 Eth
$4,576,040.00
240,222.668 LINK
0.7793%
30
LATOKEN
LINK-USDT$19.13
0.0051459 Eth
$4,339,942.00
226,854.473 LINK
0.7359%
31
Binance
LINK-USDC$19.12
0.0051428 Eth
$4,219,534.00
224,567.210 LINK
0.7285%
32
KuCoin
LINK-USDT$19.09
0.0051441 Eth
$3,897,791.00
204,212.560 LINK
0.6625%
33
WhiteBIT
LINK-BTC$19.06
0.0051314 Eth
$3,735,450.00
195,950.420 LINK
0.6357%
34
Dex-Trade
LINK-USDT$19.05
0.0051402 Eth
$3,153,049.00
165,528.100 LINK
0.5370%
35
Bitvavo
LINK-EUR$19.03
0.0051281 Eth
$2,869,023.00
150,781.265 LINK
0.4891%
36
CoinEx
LINK-USDT$19.00
0.0051306 Eth
$2,473,256.00
132,314.379 LINK
0.4292%
37
Dcoin
LINK-USDT$19.04
0.0051383 Eth
$2,185,989.00
114,795.000 LINK
0.3724%
38
Camelot V3
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$18.99
0.0051250 Eth
$2,103,442.00
112,120.201 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.3637%
39
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$18.99
0.0051237 Eth
$2,037,256.00
109,000.198 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.3536%
40
EXMO
LINK-USDT$19.04
0.0051370 Eth
$1,987,148.00
104,379.949 LINK
0.3386%
41
AscendEX (BitMax)
LINK-USDT$19.06
0.0051393 Eth
$1,833,666.00
96,193.500 LINK
0.3121%
42
Coinbase Exchange
LINK-EUR$19.03
0.0051352 Eth
$1,646,188.00
86,505.650 LINK
0.2806%
43
Trubit
LINK-USDT$19.10
0.0051397 Eth
$1,334,393.00
71,769.780 LINK
0.2328%
44
Kraken
LINK-USDT$19.07
0.0051385 Eth
$1,162,748.00
60,976.688 LINK
0.1978%
45
Azbit
LINK-ETH$19.14
0.0051485 Eth
$1,151,787.00
61,012.202 LINK
0.1979%
46
tanX
LINK-USDC$19.04
0.0051359 Eth
$1,111,940.00
60,109.730 LINK
0.1950%
47
Phemex
LINK-USDT$19.04
0.0051391 Eth
$1,049,614.00
55,115.020 LINK
0.1788%
48
PointPay
LINK-USDT$19.12
0.0051492 Eth
$1,045,478.00
56,060.347 LINK
0.1819%
49
itBit
LINK-USD$19.02
0.0051353 Eth
$1,022,500.00
53,759.201 LINK
0.1744%
50
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.00
0.0051282 Eth
$1,020,557.00
54,016.601 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1752%
51
Tokpie
LINK-USDT$19.21
0.0051696 Eth
$988,446.00
51,453.993 LINK
0.1669%
52
WhiteBIT
LINK-TRY$19.08
0.0051441 Eth
$954,258.00
50,014.270 LINK
0.1622%
53
Quickswap (v3)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X7CEB23FD6BC0ADD59E62AC25578270CFF1B9F619$19.07
0.0051464 Eth
$941,086.00
50,164.690 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.1627%
54
Bitstamp
LINK-EUR$19.04
0.0051308 Eth
$929,699.00
48,827.712 LINK
0.1584%
55
ProBit Global
LINK-BTC$19.06
0.0051395 Eth
$919,560.00
48,238.095 LINK
0.1565%
56
Bitstamp
LINK-USD$19.00
0.0051200 Eth
$902,447.00
47,497.209 LINK
0.1541%
57
Bitbank
LINK-JPY$19.10
0.0051483 Eth
$864,841.00
45,290.775 LINK
0.1469%
58
AscendEX (BitMax)
LINK-BTC$19.12
0.0051557 Eth
$844,816.00
44,178.600 LINK
0.1433%
59
EarnBIT
LINK-USDT$19.02
0.0051321 Eth
$839,635.00
45,017.277 LINK
0.1460%
60
LATOKEN
LINK-BTC$19.02
0.0051317 Eth
$809,766.00
42,581.758 LINK
0.1381%
61
PancakeSwap V3 (BSC)
0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD-0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C$19.12
0.0051534 Eth
$809,281.00
43,502.787 0XF8A0BF9CF54BB92F17374D9E9A321E6A111A51BD
0.1411%
62
BitStorage
LINK-USDT$19.07
0.0051456 Eth
$770,189.00
40,390.810 LINK
0.1310%
63
Binance
LINK-EUR$19.01
0.0051323 Eth
$748,712.00
39,825.110 LINK
0.1292%
64
Gemini
LINK-USD$19.06
0.0051371 Eth
$703,401.00
36,897.888 LINK
0.1197%
65
KickEX
LINK-USDT$19.03
0.0051375 Eth
$583,831.00
30,674.501 LINK
0.0995%
66
Binance
LINK-TRY$19.06
0.0051339 Eth
$567,395.00
30,271.390 LINK
0.0982%
67
Nonkyc.io
LINK-USDT$19.05
0.0051427 Eth
$530,627.00
28,536.912 LINK
0.0926%
68
WEEX
LINK-USDC$19.02
0.0051365 Eth
$500,025.00
26,292.282 LINK
0.0853%
69
WhiteBIT
LINK-EUR$19.00
0.0051269 Eth
$499,325.00
26,281.440 LINK
0.0853%
70
HashKey Exchange
LINK-USD$19.05
0.0051408 Eth
$486,472.00
26,230.376 LINK
0.0851%
71
BigONE
LINK-USDT$19.02
0.0051326 Eth
$465,942.00
24,497.190 LINK
0.0795%
72
Coinbase Exchange
LINK-GBP$18.95
0.0051082 Eth
$463,575.00
24,467.300 LINK
0.0794%
73
Uniswap V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.03
0.0051285 Eth
$449,335.00
24,164.557 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0784%
74
Hotcoin
LINK-BTC$19.11
0.0051415 Eth
$444,315.00
23,244.650 LINK
0.0754%
75
OKX
LINK-USDC$19.09
0.0051453 Eth
$442,048.00
23,917.956 LINK
0.0776%
76
Bybit
LINK-USDC$19.06
0.0051378 Eth
$429,719.00
23,049.450 LINK
0.0748%
77
Coinbase Exchange
LINK-BTC$18.99
0.0051254 Eth
$415,343.00
21,867.820 LINK
0.0709%
78
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39$19.12
0.0051587 Eth
$353,400.00
344,311.774 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
1.1170%
79
Slex
LINK-ETH$19.03
0.0051360 Eth
$339,529.00
18,071.960 LINK
0.0586%
80
Coinbase Exchange
LINK-USDT$19.02
0.0051330 Eth
$325,258.00
17,098.876 LINK
0.0555%
81
BitMart
LINK-BTC$19.06
0.0051336 Eth
$311,885.00
16,367.300 LINK
0.0531%
82
Uniswap V3 (Arbitrum One)
0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4-0XFD086BC7CD5C481DCC9C85EBE478A1C0B69FCBB9$19.10
0.0051547 Eth
$298,503.00
16,001.408 0XF97F4DF75117A78C1A5A0DBB814AF92458539FB4
0.0519%
83
DeGate
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$19.13
0.0051450 Eth
$276,572.00
14,870.706 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0482%
84
Hotcoin
LINK-ETH$19.04
0.0051324 Eth
$240,691.00
12,638.990 LINK
0.0410%
85
GMO Japan
LINK-JPY$19.09
0.0051405 Eth
$239,963.00
12,569.300 LINK
0.0408%
86
BitDelta
LINK-USDT$19.00
0.0051314 Eth
$238,123.00
12,811.000 LINK
0.0416%
87
Slex
LINK-BTC$19.13
0.0051446 Eth
$238,052.00
12,763.400 LINK
0.0414%
88
Bitcointry
LINK-USDT$19.11
0.0051420 Eth
$221,940.00
11,949.512 LINK
0.0388%
89
Bitkub
LINK-THB$19.00
0.0051139 Eth
$208,877.00
10,994.521 LINK
0.0357%
90
Uniswap V3 (Polygon)
0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39-0X0D500B1D8E8EF31E21C99D1DB9A6444D3ADF1270$19.12
0.0051587 Eth
$204,694.00
10,885.653 0X53E0BCA35EC356BD5DDDFEBBD1FC0FD03FABAD39
0.0353%
91
Bitso
LINK-USD$19.00
0.0051200 Eth
$191,719.00
10,090.477 LINK
0.0327%
92
Binance US
LINK-USDT$19.02
0.0051329 Eth
$188,914.00
9,931.058 LINK
0.0322%
93
BitStorage
LINK-ETH$19.13
0.0051443 Eth
$183,232.00
9,579.710 LINK
0.0311%
94
PointPay
LINK-BTC$19.04
0.0051385 Eth
$161,211.00
8,657.759 LINK
0.0281%
95
Coinone
LINK-KRW$18.95
0.0051055 Eth
$160,665.00
8,479.984 LINK
0.0275%
96
Coinbase Exchange
LINK-ETH$19.10
0.0051550 Eth
$148,365.00
7,765.960 LINK
0.0252%
97
BitMart
LINK-ETH$19.04
0.0051310 Eth
$130,721.00
6,866.120 LINK
0.0223%
98
BYDFi
LINK-USDC$19.03
0.0051326 Eth
$119,586.00
6,285.630 LINK
0.0204%
99
Kraken
LINK-GBP$19.05
0.0051344 Eth
$84,030.00
4,410.156 LINK
0.0143%
100
Solidly V3 (Ethereum)
0X514910771AF9CA656AF840DFF83E8264ECF986CA-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$19.12
0.0051592 Eth
$65,650.00
3,481.072 0X514910771AF9CA656AF840DFF83E8264ECF986CA
0.0113%

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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