Sponsored:   Color - Revolutionizing the Dapp Ecosystem, Bounty & Airdrop, Get 240,000 COL NOW!
 Latest 25 txns from a total Of 22312 transactions
(+1 PendingTxn)

TxHash Age From To Value [TxFee]
0x826d2340ede90cf253e6138f455964edcd3e2bebc5366e14171632768ac5ff82(pending)0xb22814cb18858ab54d443fed39a167f518b281b1  IN  0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether(pending)
0xb50c9ad4590c0128c47a09ac3d9bcd8e7d1fca0c1c257b85df9d3bf86165725b10 hrs 2 mins ago0xf4a5a1deb9c3fa5e74cabe02c02585d2762ecc37  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000697144
0x4a8f69f5bd6648e776878abd92203fcf9b20274821acfba7ba6ccba933caf6b610 hrs 12 mins ago0xa5ae284d298d3857566575fa76e0ca86bce0df6d  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000151712
0x9c76e787b358917c76b98e41d04c062bc4fbc32f44aad75bd2adb1c8ef26907611 hrs 35 mins ago0xafbff09e7d515ffe7a027d44e89349831b00e1bd  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000151968
0x337b3a33b73a372fbdc730ed5489f062e15b2900008aeb1c704bafbc8b1b993f1 day 11 hrs ago0xcb9ab5f7c1648d87bb1cde1d54f49e87f478f71d  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00006127552
0x9370579e1b262977124e6e86921c095acb8481ce5aa46c02099528ccd51ab6b61 day 11 hrs ago0x163d29e4586b6987d9f51c262d5199943effdc5f  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00010147552
0x1947e53f8993ca82e1d57e37c9a58cc6852d796017d0fcc37ba315051a5299422 days 14 hrs ago0xf2c0fcbcb931f23701e35a318d1d6440f63e323e  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00044481
0xd624f285389b26cc6433f872dbdf787d848c187ef217ca72e738721341f98c672 days 14 hrs ago0xf2c0fcbcb931f23701e35a318d1d6440f63e323e  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000074481
0x81aa277741d7aaec21dd860ef7f2543b88c6b5a7916a5d578a0ebd39de842aab3 days 7 hrs ago0x79327789223083cb9903912a9f500d8c58e3f261  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00423424
0x914baf7d02b4d2264f3e8810264391ad0948c258f9671b4134028647c84701033 days 10 hrs ago0xd081e947427933e5e5a846f987f48cac36951886  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.0011432
0x8cb59909aa11e10faf81baa7282c7ab0c5cb7ac87c3f9ffeda621b61fc7df7f63 days 18 hrs ago0x9db92cc829b7d602e2210ddf29ef844ad85f122b  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.0018932
0x0441ed1147f330bffbca04e3ee52fa604a24728d9cb0d6a6309771ca26d9771d3 days 19 hrs ago0x688cb7e759df27aea3779946361860357ded57b8  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000151456
0x613b3b82c99c64ea47621f565c6a86ffdd1a5eb88c6c890b9355fbbcfee1e8305 days 3 hrs ago0xe2438613611d3391d5bc18b76617d33c2b3d9a36  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00018932
0x8133ba69380600c84fc4d6faa3a5e2c8e185368f5954e3af07fcf25b33d950b05 days 9 hrs ago0x47f5193fb96deb66e8333d8ce2b8b4ff708addb8  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00303424
0x120d57a925c1e6a7689521e96a74066a907d5a1210efc8b80eb5afe8d1fd90975 days 9 hrs ago0x47f5193fb96deb66e8333d8ce2b8b4ff708addb8  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.004
0xa95bd24372b395344e4b58b4c271d823f53f6ff6a8222c4a764f7ead1cefac8f5 days 11 hrs ago0xe20627911f7962b1840bd829f6e2551a0681aec9  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.0001512
0x1be68849440b69256eaf04a57e75fc9668ed1de09fed72db68cd07c6ce590f955 days 19 hrs ago0xf211a86ee3161f061fb2af02d542b6cd49b3c11e  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000151712
0x324b1edace6959ffca14731d658657e279545dce6d7b2ea2b42490890ff1e0bf5 days 19 hrs ago0xb189b9f0bfce11cedd5bac2284365ab481067d86  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00045657
0x0ed43d7dbc6688904261dc3ae5e6b80f876eb489996ea9e2a3a3cd0dfe69c81f5 days 19 hrs ago0xb189b9f0bfce11cedd5bac2284365ab481067d86  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00008694
0xa8370962aa06c7b81618b38ebbadd2094f8d576f54e728746841359c7f76760f6 days 9 hrs ago0x719eaf4e665a529215016c16dd0d3e6fa3f7d8e2  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000853974928
0x489cb4ef13e6c1ac44ee2d8c40b87f310ccad9527c6ca60b9cb5e5d4bd6a68e310 days 3 hrs ago0x4f7a1f9f7a48ca417393f3fa5c92b6a21f4d6d62  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.0001666016
0x1bc773637fe675ee4d8f7672338b62259fdb6927ebf8566c9b041081a610cfad10 days 7 hrs ago0xf95919c22d0b0ec669106f65eacc02552f584871  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.0002328832
0x0fa6e6774afc7323a7dd0e80a47351fe445cfa76a1b3bcbdd0d4d10ae881713e10 days 14 hrs ago0x6a158cd194bd40406c3d8e7613baa6107cce65b1  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000303424
0xfe35e6885d9a94c6007fb449de1816ea8f9d070209bc0df5f27856f927a0ac2911 days 1 hr ago0xb5e45136981219c95436b3f872aae285e6f49d76  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.00151712
0xd837c581cba27f07affb3a39c0d2ac8042b71c2980d78f9e61a47819cd58c2df12 days 23 hrs ago0xe68fc89a36ecfc592ee7f4aef299877ffacaeaec  IN   0xa0872ee815b8dd0f6937386fd77134720d9535810 Ether0.000148045
[ Download CSV Export  ] 
 Internal Transactions as a result of Contract Execution
View All
ParentTxHash Block Age From To Value
Warning: The compiled contract might be susceptible to EventStructWrongData (very low-severity), NestedArrayFunctionCallDecoder (medium-severity) Solidity compiler bugs.

Contract Source Code Verified (Exact match)
Contract Name: EduCoin
Compiler Version: v0.4.18+commit.9cf6e910
Optimization Enabled: Yes
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts

pragma solidity ^0.4.18;


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

contract Token {

    /// total amount of tokens
    uint256 public totalSupply;

    /// @param _owner The address from which the balance will be retrieved
    /// @return The balance
    function balanceOf(address _owner) constant public 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) public 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) public returns (bool success);

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

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

/*
You should inherit from StandardToken or, for a token like you would want to
deploy in something like Mist, see HumanStandardToken.sol.
(This implements ONLY the standard functions and NOTHING else.
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) public returns (bool success) {
        // Prevent transfer to 0x0 address.
        require(_to != 0x0);
        // Check if the sender has enough
        require(balances[msg.sender] >= _value);
        // Check for overflows
        require(balances[_to] + _value > balances[_to]);

        uint previousBalances = balances[msg.sender] + balances[_to];
        balances[msg.sender] -= _value;
        balances[_to] += _value;
        Transfer(msg.sender, _to, _value);
        // Asserts are used to use static analysis to find bugs in your code. They should never fail
        assert(balances[msg.sender] + balances[_to] == previousBalances);

        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        /// same as above
        require(_to != 0x0);
        require(balances[_from] >= _value);
        require(balances[_to] + _value > balances[_to]);

        uint previousBalances = balances[_from] + balances[_to];
        balances[_from] -= _value;
        balances[_to] += _value;
        allowed[_from][msg.sender] -= _value;
        Transfer(_from, _to, _value);
        assert(balances[_from] + balances[_to] == previousBalances);

        return true;
    }

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

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

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

    mapping (address => uint256) balances; /// balance amount of tokens for address
    mapping (address => mapping (address => uint256)) allowed;
}

contract EduCoin is StandardToken {

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

    string public constant name = "EduCoinToken";   
    string public constant symbol = "EDU";
    uint256 private constant _INITIAL_SUPPLY = 15*10**27;
    uint8 public decimals = 18;         
    uint256 public totalSupply;            
    //string public version = 'H0.1';

    function EduCoin(
    ) public {
        // init
        balances[msg.sender] = _INITIAL_SUPPLY;
        totalSupply = _INITIAL_SUPPLY;
       
    }

    /* Approves and then calls the receiving contract */
    function approveAndCall(address _spender, uint256 _value, bytes _extraData) public returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, this, _extraData);
            return true;
        }
    }
}

    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":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","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":[{"name":"success","type":"bool"}],"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":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"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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

   Swarm Source:
bzzr://ebb906a6b3ed684a7a4c6cd108f975c133440a17c2a95b05a1e4a6389c8af094

 

View All
Block Age txn Difficulty GasUsed Reward
View All
Block Age UncleNumber Difficulty GasUsed Reward
Make sure to use the "downvote" button for any spammy posts, and the "upvote" for interesting conversations.