ETH Price: $2,473.68 (+1.00%)
 

Overview

Max Total Supply

10,000,000,000 CITY

Holders

11,244

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

Balance
1 CITY

Value
$0.00
0x29b5544f821867ab1d9cd91f7a57c53ed85d8d7f
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OVERVIEW

The concept of CITY chain is to 'redefine urban life by applying blockchain technology + gamification rules'.

ICO Information

ICO Start Date : Apr 15, 2018  
ICO End Date : Apr 15, 2021
ICO Price  : $0.33
Country : China

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
City

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-07-06
*/

pragma solidity ^0.4.21;


contract City {
    address public owner;
    string public name;
    string public symbol;
    uint8 public decimals = 18;
    uint256 public totalSupply;
    mapping (address => uint256) public balanceOf;
    mapping (address => bool) public frozenAccount;

    event Transfer(address indexed from, address indexed to, uint256 value);

    event FrozenFunds(address target, bool frozen);

    function City(uint256 initialSupply, string tokenName, string tokenSymbol) public{
        owner = msg.sender;
        totalSupply = initialSupply * 10 ** uint256(decimals);
        balanceOf[msg.sender] = totalSupply;
        name = tokenName;
        symbol = tokenSymbol;
    }

    function transfer(address _to, uint _value) public{
        address _from = msg.sender;
        require(!frozenAccount[_from]);
        require(_to != 0x0);
        require(balanceOf[_from] >= _value);
        require(balanceOf[_to] + _value > balanceOf[_to]);
        uint previousBalances = balanceOf[_from] + balanceOf[_to];
        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;
        Transfer(_from, _to, _value);
        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }

    function freezeAccount(address target, bool freeze) public{
        require(msg.sender == owner);
        frozenAccount[target] = freeze;
        FrozenFunds(target, freeze);
    }
}

Contract Security Audit

Contract ABI

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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)

00000000000000000000000000000000000000000000000000000002540be400000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000004434954590000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044349545900000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : initialSupply (uint256): 10000000000
Arg [1] : tokenName (string): CITY
Arg [2] : tokenSymbol (string): CITY

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000002540be400
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [4] : 4349545900000000000000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [6] : 4349545900000000000000000000000000000000000000000000000000000000


Swarm Source

bzzr://e5412a76b9d53451dc062cef3dbf1c975664be283627618768de6d805ab43aed
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