ETH Price: $2,344.22 (-1.75%)

Token

CommerceBlock (CBT)
 

Overview

Max Total Supply

1,000,000,000 CBT

Holders

2,487 ( 0.362%)

Total Transfers

-

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

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OVERVIEW

Infrastructure company that provides a suite of tools for traditional asset markets to leverage the highly flexible and powerful qualities of blockchain based digital asset protocols

ICO Information

ICO Start Date : Nov 28, 2017 
ICO End Date : Dec 19, 2017
Hard Cap : $25,000,000
Soft Cap : $2,000,000
ICO Price  : $0.06
Country : UK

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
CommerceBlockToken

Compiler Version
v0.4.15+commit.bbb8e64f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-03-05
*/

pragma solidity ^0.4.11;

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);
}

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) {
    require(_to != address(0));

    // In case of insufficient funds, SafeMath#sub throws exception.
    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];
  }

}

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);
}

library SafeMath {

  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;
  }

}

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) {
    require(_to != address(0));

    var _allowance = allowed[_from][msg.sender];

    // In case of insufficient funds, SafeMath#sub throws exception.

    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) {

    // To change the approve amount you first have to reduce the addresses`
    //  allowance to zero by calling `approve(_spender, 0)` if it is not
    //  already 0 to mitigate the race condition described here:
    //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    require((_value == 0) || (allowed[msg.sender][_spender] == 0));

    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 CommerceBlockToken is StandardToken {

    string public name = "CommerceBlock Token";
    string public symbol = "CBT";
    uint256 public decimals = 18;

    uint256 public supplyExponent = 9;
    uint256 public totalSupply = (10 ** supplyExponent) * (10 ** decimals);

    function CommerceBlockToken(address company) {
      balances[company] = totalSupply;
    }

}

Contract Security Audit

Contract ABI

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"supplyExponent","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"company","type":"address"}],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]

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Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000008027af3c8ab3a7b603873cf17f521d049d615862

-----Decoded View---------------
Arg [0] : company (address): 0x8027Af3c8ab3a7B603873CF17f521D049d615862

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000008027af3c8ab3a7b603873cf17f521d049d615862


Swarm Source

bzzr://96be620a835446ca6468ef456051de710464b21fc48cd1a4dbb69b231c9a6035
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