Contract Overview
Balance: 0 Ether
Ether Value: $0
Transactions: 1120 txns
Token Tracker: World Token (WORLDB)
Misc:
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Contract Creator: 0x64c1c581d971b7ad3e7e6c624db80d11f23c6d69at txn 0x2a2bdcfff0e854e3dbd6d8a3f8597510f03cd716a53187bf9b3ad5791178aeb0
 Latest 25 transactions from a total of 1120 transactions

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0x18241c4a4c8c59956ee6bbf16a4129ab47027f80f02c7d9c6ac9fbabae454cb710 hrs 17 mins ago0x88b53fdbb0da95843bddcaddc720e5c94dac85cf  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.000162682351
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0x2c9d993e71363f0a8f195d45bd85de3e89cca75b4dd9f8f964058b1ffb2bae392 days 7 hrs ago0x2be8f85f7fcaa3baecf2614be3c8b770aeb4f5bd  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.00061854
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0xcf9097f9880b380305d54c9926c77291792d7bdc8515f0fe0e8f0369b718d3726 days 13 hrs ago0xa1b7b07573c4cef2453e6bdf8b08a6f6656c76ef  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.00051163
0x5dfec7d04514210e0636849846978f503655c2d646c5103ef94e336b64b5f17f6 days 13 hrs ago0xa1b7b07573c4cef2453e6bdf8b08a6f6656c76ef  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.00051163
0xbb4ae99eb480b218d3653a284317828e2fe8d42fd7369b4801392022c5d804946 days 22 hrs ago0x69571ae9f74ab3f693cb8e92844a82c5e3c64888  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.00051545
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0x53084b10ed64be20c66ed20a4df8093af70ed71c075be22ed53a75c2aa7caacb7 days 4 hrs ago0x0bb3e31ecd94221ba94c3a8c4d7bfe862c96dfc3  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.00041236
0x8f7ba28d2a710620d590fcd105e55ed36f7dbd70607390490e5613fbbd21678f7 days 4 hrs ago0x0bb3e31ecd94221ba94c3a8c4d7bfe862c96dfc3  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.00041236
0xdc8ea191e61e9a28011a3986b8b6efbc4492ac31d1518379fb19e2acac437c747 days 4 hrs ago0x0bb3e31ecd94221ba94c3a8c4d7bfe862c96dfc3  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.00041236
0xc6c7d628c4685e193ccb9cd82e1a4dedbaeef7f8f5c9645cb28907331bfb85837 days 4 hrs ago0x0bb3e31ecd94221ba94c3a8c4d7bfe862c96dfc3  IN   0xc3f218f5edbcf45a05ddfecc35936a38f845cd030 Ether0.0003500708
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  Contract Source Code   Find Similiar Contracts

contract Token {

    /// @return total amount of tokens
    function totalSupply() constant returns (uint256 supply) {}

    /// @param _owner The address from which the balance will be retrieved
    /// @return The balance
    function balanceOf(address _owner) constant returns (uint256 balance) {}

    /// @notice send `_value` token to `_to` from `msg.sender`
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transfer(address _to, uint256 _value) returns (bool success) {}

    /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from`
    /// @param _from The address of the sender
    /// @param _to The address of the recipient
    /// @param _value The amount of token to be transferred
    /// @return Whether the transfer was successful or not
    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {}

    /// @notice `msg.sender` approves `_addr` to spend `_value` tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _value The amount of wei to be approved for transfer
    /// @return Whether the approval was successful or not
    function approve(address _spender, uint256 _value) returns (bool success) {}

    /// @param _owner The address of the account owning tokens
    /// @param _spender The address of the account able to transfer the tokens
    /// @return Amount of remaining tokens allowed to spent
    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {}

    event Transfer(address indexed _from, address indexed _to, uint256 _value);
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
}


/*
This implements ONLY the standard functions and NOTHING else.
For a token like you would want to deploy in something like Mist, see HumanStandardToken.sol.

If you deploy this, you won't have anything useful.

Implements ERC 20 Token standard: https://github.com/ethereum/EIPs/issues/20
.*/

contract StandardToken is Token {

    function transfer(address _to, uint256 _value) returns (bool success) {
        //Default assumes totalSupply can't be over max (2^256 - 1).
        //If your token leaves out totalSupply and can issue more tokens as time goes on, you need to check if it doesn't wrap.
        //Replace the if with this one instead.
        //if (balances[msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
        if (balances[msg.sender] >= _value && _value > 0) {
            balances[msg.sender] -= _value;
            balances[_to] += _value;
            Transfer(msg.sender, _to, _value);
            return true;
        } else { return false; }
    }

    function transferFrom(address _from, address _to, uint256 _value) returns (bool success) {
        //same as above. Replace this line with the following if you want to protect against wrapping uints.
        //if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && balances[_to] + _value > balances[_to]) {
        if (balances[_from] >= _value && allowed[_from][msg.sender] >= _value && _value > 0) {
            balances[_to] += _value;
            balances[_from] -= _value;
            allowed[_from][msg.sender] -= _value;
            Transfer(_from, _to, _value);
            return true;
        } else { return false; }
    }

    function balanceOf(address _owner) constant returns (uint256 balance) {
        return balances[_owner];
    }

    function approve(address _spender, uint256 _value) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    function allowance(address _owner, address _spender) constant returns (uint256 remaining) {
      return allowed[_owner][_spender];
    }

    mapping (address => uint256) balances;
    mapping (address => mapping (address => uint256)) allowed;
    uint256 public totalSupply;
}

/*
This Token Contract implements the standard token functionality (https://github.com/ethereum/EIPs/issues/20) as well as the following OPTIONAL extras intended for use by humans.

In other words. This is intended for deployment in something like a Token Factory or Mist wallet, and then used by humans.
Imagine coins, currencies, shares, voting weight, etc.
Machine-based, rapid creation of many tokens would not necessarily need these extra features or will be minted in other manners.

1) Initial Finite Supply (upon creation one specifies how much is minted).
2) In the absence of a token registry: Optional Decimal, Symbol & Name.
3) Optional approveAndCall() functionality to notify a contract if an approval() has occurred.

.*/

contract HumanStandardToken is StandardToken {

    function () {
        //if ether is sent to this address, send it back.
        throw;
    }

    /* Public variables of the token */

    /*
    NOTE:
    The following variables are OPTIONAL vanities. One does not have to include them.
    They allow one to customise the token contract & in no way influences the core functionality.
    Some wallets/interfaces might not even bother to look at this information.
    */
    string public name;                   //fancy name: eg Simon Bucks
    uint8 public decimals;                //How many decimals to show. ie. There could 1000 base units with 3 decimals. Meaning 0.980 SBX = 980 base units. It's like comparing 1 wei to 1 ether.
    string public symbol;                 //An identifier: eg SBX
    string public version = 'H0.1';       //human 0.1 standard. Just an arbitrary versioning scheme.

    function HumanStandardToken(
        uint256 _initialAmount,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol
        ) {
        balances[msg.sender] = _initialAmount;               // Give the creator all initial tokens
        totalSupply = _initialAmount;                        // Update total supply
        name = _tokenName;                                   // Set the name for display purposes
        decimals = _decimalUnits;                            // Amount of decimals for display purposes
        symbol = _tokenSymbol;                               // Set the symbol for display purposes
    }

    /* Approves and then calls the receiving contract */
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) returns (bool success) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);

        //call the receiveApproval function on the contract you want to be notified. This crafts the function signature manually so one doesn't have to include a contract in here just for this.
        //receiveApproval(address _from, uint256 _value, address _tokenContract, bytes _extraData)
        //it is assumed that when does this that the call *should* succeed, otherwise one would use vanilla approve instead.
        if(!_spender.call(bytes4(bytes32(sha3("receiveApproval(address,uint256,address,bytes)"))), msg.sender, _value, this, _extraData)) { throw; }
        return true;
    }
}

    Contract ABI  
[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":true,"inputs":[],"name":"version","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"type":"function"},{"inputs":[{"name":"_initialAmount","type":"uint256"},{"name":"_tokenName","type":"string"},{"name":"_decimalUnits","type":"uint8"},{"name":"_tokenSymbol","type":"string"}],"type":"constructor"},{"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"},{"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"}]

  Contract Creation Code Switch To Opcodes View
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