false
true
0

Contract Address Details

0x912656188616e0184E3181f019022990A63280b1

Token
POCC (POCC)
Creator
0x120649–e07605 at 0x1ffec2–703513
Balance
0 PLS ( )
Tokens
Fetching tokens...
Transactions
1,156,722 Transactions
Transfers
0 Transfers
Gas Used
0
Last Balance Update
26426370
Warning! Contract bytecode has been changed and doesn't match the verified one. Therefore, interaction with this smart contract may be risky.
This contract has been partially verified via Sourcify. View contract in Sourcify repository
Contract name:
ProofOfContributionChainToken




Optimization enabled
false
Compiler version
v0.5.8+commit.23d335f2




EVM Version
petersburg




Verified at
2026-04-02T12:59:22.281097Z

ProofOfContributionChainToken.sol

pragma solidity 0.5.8;

contract ProofOfContributionChainToken {
    string public constant  name= "POCC";
    string public constant  symbol = "POCC";
    uint8 public constant decimals = 8;

    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
    event Transfer(address indexed from, address indexed to, uint tokens);

    mapping (address => uint256) internal balances;
    mapping (address => mapping (address => uint256)) internal allowed;

    uint256 public totalSupply;
    address public owner;

    using SafeMath for uint256;

    constructor() public {
        totalSupply = 1000000000e8;
        owner = msg.sender;
        balances[owner] = totalSupply;
    }

    function balanceOf(address tokenOwner) public view returns (uint) {
        return balances[tokenOwner];
    }

    function transfer(address receiver, uint numTokens) public returns (bool) {
        require(numTokens <= balances[msg.sender]);
        balances[msg.sender] = balances[msg.sender].sub(numTokens);
        balances[receiver] = balances[receiver].add(numTokens);
        emit Transfer(msg.sender, receiver, numTokens);
        return true;
    }

    function approve(address delegate, uint numTokens) public returns (bool) {
        allowed[msg.sender][delegate] = numTokens;
        emit Approval(msg.sender, delegate, numTokens);
        return true;
    }

    function allowance(address from, address delegate) public view returns (uint) {
        return allowed[from][delegate];
    }

    function transferFrom(address from, address buyer, uint numTokens) public returns (bool) {
        require(numTokens <= balances[from]);
        require(numTokens <= allowed[from][msg.sender]);

        balances[from] = balances[from].sub(numTokens);
        allowed[from][msg.sender] = allowed[from][msg.sender].sub(numTokens);
        balances[buyer] = balances[buyer].add(numTokens);
        emit Transfer(from, buyer, numTokens);
        return true;
    }

    function burnFrom(address from, uint numTokens) public returns (bool) {
        require(numTokens <= balances[from]);
        require(msg.sender == owner);
        balances[from] = balances[from].sub(numTokens);
        balances[owner] = balances[owner].add(numTokens);
        return true;
    }
}

library SafeMath {
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        assert(b <= a);
        return a - b;
    }
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        assert(c >= a);
        return c;
    }
}

Compiler Settings

{"remappings":[],"optimizer":{"runs":200,"enabled":false},"libraries":{},"evmVersion":"petersburg","compilationTarget":{"ProofOfContributionChainToken.sol":"ProofOfContributionChainToken"}}

Contract ABI

[{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":""}],"name":"name","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"approve","inputs":[{"type":"address","name":"delegate"},{"type":"uint256","name":"numTokens"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"totalSupply","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"transferFrom","inputs":[{"type":"address","name":"from"},{"type":"address","name":"buyer"},{"type":"uint256","name":"numTokens"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint8","name":""}],"name":"decimals","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"balanceOf","inputs":[{"type":"address","name":"tokenOwner"}],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"burnFrom","inputs":[{"type":"address","name":"from"},{"type":"uint256","name":"numTokens"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"address","name":""}],"name":"owner","inputs":[],"constant":true},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"string","name":""}],"name":"symbol","inputs":[],"constant":true},{"type":"function","stateMutability":"nonpayable","payable":false,"outputs":[{"type":"bool","name":""}],"name":"transfer","inputs":[{"type":"address","name":"receiver"},{"type":"uint256","name":"numTokens"}],"constant":false},{"type":"function","stateMutability":"view","payable":false,"outputs":[{"type":"uint256","name":""}],"name":"allowance","inputs":[{"type":"address","name":"from"},{"type":"address","name":"delegate"}],"constant":true},{"type":"constructor","stateMutability":"nonpayable","payable":false,"inputs":[]},{"type":"event","name":"Approval","inputs":[{"type":"address","name":"tokenOwner","indexed":true},{"type":"address","name":"spender","indexed":true},{"type":"uint256","name":"tokens","indexed":false}],"anonymous":false},{"type":"event","name":"Transfer","inputs":[{"type":"address","name":"from","indexed":true},{"type":"address","name":"to","indexed":true},{"type":"uint256","name":"tokens","indexed":false}],"anonymous":false}]

Contract Creation Code

Verify & Publish 
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Deployed ByteCode

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