ETH Price: $3,779.49 (+3.30%)
Gas: 6 Gwei

Token

DUO Network Token (DUO)
 

Overview

Max Total Supply

100,000,000 DUO

Holders

428 (0.00%)

Total Transfers

-

Market

Price

$0.00 @ 0.000000 ETH

Onchain Market Cap

$20,125.00

Circulating Supply Market Cap

$7,354.66

Other Info

Token Contract (WITH 18 Decimals)

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OVERVIEW

A decentralized platform enabling issuance, trading, and settlement of tokenized digital derivatives.

Profitability / Loss

Since Initial Offer Price
:$0.15 99.87%

Market

Volume (24H):$0.10
Market Capitalization:$7,354.66
Circulating Supply:36,544,238.00 DUO
Market Data Source: Coinmarketcap

ICO Information

Project Sector : Finance
ICO Start Date : Apr 27, 2019
ICO End Date : Apr 27, 2019
Total Cap : 15,000,000 DUO
Token Distribution Date : Apr 28, 2019
ICO Price  : $0.15
Country : Singapore

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
DUO

Compiler Version
v0.5.1+commit.c8a2cb62

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2019-03-21
*/

pragma solidity ^0.5.0;

contract DUO {
	// 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
	uint public totalSupply;

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

	// This generates a public event on the blockchain that will notify clients
	event Transfer(address indexed from, address indexed to, uint tokens);
	event Approval(address indexed tokenOwner, address indexed spender, uint tokens);

	/**
	 * Constrctor function
	 *
	 * Initializes contract with initial supply tokens to the creator of the contract
	 */
	constructor(
		uint initialSupply,
		string memory tokenName,
		string memory tokenSymbol
	) public 
	{
		totalSupply = initialSupply;  // 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, uint value) public returns (bool success) {
		transfer(msg.sender, to, value);
		return true;
	}

	/**
	 * Transfer tokens from other address
	 *
	 * Send `value` tokens to `to` in 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, uint 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 in your behalf
	 *
	 * @param spender The address authorized to spend
	 * @param value the max amount they can spend
	 */
	function approve(address spender, uint value) public returns (bool success) {
		allowance[msg.sender][spender] = value;
		emit Approval(msg.sender, spender, 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":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","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":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"},{"name":"tokenName","type":"string"},{"name":"tokenSymbol","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"tokenOwner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Approval","type":"event"}]

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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)

00000000000000000000000000000000000000000052b7d2dcc80cd2e4000000000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000001144554f204e6574776f726b20546f6b656e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000344554f0000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : initialSupply (uint256): 100000000000000000000000000
Arg [1] : tokenName (string): DUO Network Token
Arg [2] : tokenSymbol (string): DUO

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000052b7d2dcc80cd2e4000000
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000011
Arg [4] : 44554f204e6574776f726b20546f6b656e000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [6] : 44554f0000000000000000000000000000000000000000000000000000000000


Swarm Source

bzzr://e703b288ad235171c9015d34b3490b27dfc0e6156e26d89e6c84fc76e4b3a152
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