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Contract

0xb4dfA3037a3654dbBed820b272173E2E9493968E
 

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0 ETH

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$0.00

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Transfer155832752022-09-21 17:37:23801 days ago1663781843IN
0xb4dfA303...E9493968E
0 ETH0.0010518421.9637989
Transfer134653162021-10-22 4:26:131135 days ago1634876773IN
0xb4dfA303...E9493968E
0 ETH0.0029478261.55413394
Transfer134276402021-10-16 7:17:531141 days ago1634368673IN
0xb4dfA303...E9493968E
0 ETH0.0044777485.06022647
Transfer134196472021-10-15 1:07:111142 days ago1634260031IN
0xb4dfA303...E9493968E
0 ETH0.00685402130.20076054
Transfer134167962021-10-14 14:16:041143 days ago1634220964IN
0xb4dfA303...E9493968E
0 ETH0.00795075151
Transfer134149532021-10-14 7:16:331143 days ago1634195793IN
0xb4dfA303...E9493968E
0 ETH0.0048377691.8783559
Transfer134088632021-10-13 8:02:481144 days ago1634112168IN
0xb4dfA303...E9493968E
0 ETH0.004536186.14924324
Transfer133960742021-10-11 7:52:111146 days ago1633938731IN
0xb4dfA303...E9493968E
0 ETH0.0042826581.33571018
Transfer131137022021-08-28 11:49:241190 days ago1630151364IN
0xb4dfA303...E9493968E
0 ETH0.0014481447.08788939
Transfer131136772021-08-28 11:45:011190 days ago1630151101IN
0xb4dfA303...E9493968E
0 ETH0.0028959755
Transfer118729572021-02-17 7:29:051382 days ago1613546945IN
0xb4dfA303...E9493968E
0 ETH0.00458519109
Transfer118485292021-02-13 13:29:411386 days ago1613222981IN
0xb4dfA303...E9493968E
0 ETH0.0074478177
Transfer118485062021-02-13 13:25:151386 days ago1613222715IN
0xb4dfA303...E9493968E
0 ETH0.00975828171
Transfer118409242021-02-12 9:12:291387 days ago1613121149IN
0xb4dfA303...E9493968E
0 ETH0.0036220786.08
Transfer118408992021-02-12 9:06:591387 days ago1613120819IN
0xb4dfA303...E9493968E
0 ETH0.0037449489
Transfer118404972021-02-12 7:40:341387 days ago1613115634IN
0xb4dfA303...E9493968E
0 ETH0.00441819105
Transfer118403152021-02-12 6:56:571387 days ago1613113017IN
0xb4dfA303...E9493968E
0 ETH0.0037449489
Transfer118402952021-02-12 6:53:011387 days ago1613112781IN
0xb4dfA303...E9493968E
0 ETH0.0037028688
Transfer118402922021-02-12 6:52:431387 days ago1613112763IN
0xb4dfA303...E9493968E
0 ETH0.0037028688
Transfer118402752021-02-12 6:48:271387 days ago1613112507IN
0xb4dfA303...E9493968E
0 ETH0.0037028688
Transfer118402522021-02-12 6:44:051387 days ago1613112245IN
0xb4dfA303...E9493968E
0 ETH0.003723988.5
Transfer118402432021-02-12 6:42:131387 days ago1613112133IN
0xb4dfA303...E9493968E
0 ETH0.0037480889.1
Transfer118402252021-02-12 6:38:511387 days ago1613111931IN
0xb4dfA303...E9493968E
0 ETH0.0040719896.8
Transfer118401962021-02-12 6:32:551387 days ago1613111575IN
0xb4dfA303...E9493968E
0 ETH0.0039962795
Transfer118401792021-02-12 6:29:441387 days ago1613111384IN
0xb4dfA303...E9493968E
0 ETH0.0038711792
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Contract Source Code Verified (Exact Match)

Contract Name:
TokenERC20

Compiler Version
v0.5.7+commit.6da8b019

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, None license
/**
 *Submitted for verification at Etherscan.io on 2019-10-04
*/

/**
 *Submitted for verification at Etherscan.io on 2019-08-14
*/

pragma solidity ^0.5.2;
/* version:0.5.7+commit.6da8b019.Emscripten.clang */

library SafeMath {
    /**
     * @dev Multiplies two unsigned integers, reverts on overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b);

        return c;
    }

    /**
     * 
     * @dev Integer division of two unsigned integers truncating the quotient, reverts on division by zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Subtracts two unsigned integers, reverts on overflow (i.e. if subtrahend is greater than minuend).
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Adds two unsigned integers, reverts on overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a);

        return c;
    }

    /**
     * @dev Divides two unsigned integers and returns the remainder (unsigned integer modulo),
     * reverts when dividing by zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0);
        return a % b;
    }
}



interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes calldata _extraData) external; }

contract TokenERC20 {
    // Public variables of the token
    string public name;
    string public symbol;
    uint8 public decimals=18;
    // 18 decimals is the strongly suggested default, avoid changing it
    uint256 public totalSupply;

    // This creates an array with all balances
    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;

    // This generates a public event on the blockchain that will notify clients
    event Transfer(address indexed from, address indexed to, uint256 value);

    // This notifies clients about the amount burnt
    event Burn(address indexed from, uint256 value);

    /**
     * Constructor function
     *
     * Initializes contract with initial supply tokens to the creator of the contract
     */
    constructor() public
    {
        uint256 initialSupply =2000000000;  // (09.10.04)
        string memory tokenName ="PRINCIPAL PROTECTED COIN";     //  
        string memory tokenSymbol="PPC";    //  
   
        totalSupply = initialSupply * 10 ** uint256(decimals);  // Update total supply with the decimal amount
        balanceOf[msg.sender] = totalSupply;                // Give the creator all initial tokens
        name = tokenName;                                   // Set the name for display purposes
        symbol = tokenSymbol;                               // Set the symbol for display purposes
    }

    /**
     * Internal transfer, only can be called by this contract
     */
    function _transfer(address _from, address _to, uint _value) internal {
        // Prevent transfer to 0x0 address. Use burn() instead
        require(_to != address(0));
        // Check if the sender has enough
        require(balanceOf[_from] >= _value);
        // Check for overflows
        require(balanceOf[_to] + _value >= balanceOf[_to]);
        // Save this for an assertion in the future
        uint previousBalances = balanceOf[_from] + balanceOf[_to];
        // Subtract from the sender
        balanceOf[_from] -= _value;
        // Add the same to the recipient
        balanceOf[_to] += _value;
        emit Transfer(_from, _to, _value);
        // Asserts are used to use static analysis to find bugs in your code. They should never fail
        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }

    /**
     * Transfer tokens
     *
     * Send `_value` tokens to `_to` from your account
     *
     * @param _to The address of the recipient
     * @param _value the amount to send
     */
    function transfer(address _to, uint256 _value) public {
        _transfer(msg.sender, _to, _value);
    }

    /**
     * Transfer tokens from other address
     *
     * Send `_value` tokens to `_to` on behalf of `_from`
     *
     * @param _from The address of the sender
     * @param _to The address of the recipient
     * @param _value the amount to send
     */
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(_value <= allowance[_from][msg.sender]);     // Check allowance
        allowance[_from][msg.sender] -= _value;
        _transfer(_from, _to, _value);
        return true;
    }

    /**
     * Set allowance for other address
     *
     * Allows `_spender` to spend no more than `_value` tokens on your behalf
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     */
    function approve(address _spender, uint256 _value) public
        returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        return true;
    }

    /**
     * Set allowance for other address and notify
     *
     * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     * @param _extraData some extra information to send to the approved contract
     */
    function approveAndCall(address _spender, uint256 _value, bytes memory _extraData)
        public
        returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, address(this), _extraData);
            return true;
        }
    }

    /**
     * Destroy tokens
     *
     * Remove `_value` tokens from the system irreversibly
     *
     * @param _value the amount of money to burn
     */
    function burn(uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value);   // Check if the sender has enough
        balanceOf[msg.sender] -= _value;            // Subtract from the sender
        totalSupply -= _value;                      // Updates totalSupply
        emit Burn(msg.sender, _value);
        return true;
    }

    /**
     * Destroy tokens from other account
     *
     * Remove `_value` tokens from the system irreversibly on behalf of `_from`.
     *
     * @param _from the address of the sender
     * @param _value the amount of money to burn
     */
    function burnFrom(address _from, uint256 _value) public returns (bool success) {
        require(balanceOf[_from] >= _value);                // Check if the targeted balance is enough
        require(_value <= allowance[_from][msg.sender]);    // Check allowance
        balanceOf[_from] -= _value;                         // Subtract from the targeted balance
        allowance[_from][msg.sender] -= _value;             // Subtract from the sender's allowance
        totalSupply -= _value;                              // Update totalSupply
        emit Burn(_from, _value);
        return true;
    }
}

Contract Security Audit

Contract ABI

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","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":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"}]

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Swarm Source

bzzr://21aaf9354842adcd857c5656b0ea97ef13aaf3acba0a090cdc41f22e692b7835

Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.