ETH Price: $2,633.23 (+0.16%)
Gas: 2 Gwei

Contract

0x2DBd330bC9B7f3A822a9173aB52172BdDDcAcE2A
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

More Info

Private Name Tags

TokenTracker

YFED.FINANCE (YFED) (@$0.0632)

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Approve179524642023-08-20 0:43:59356 days ago1692492239IN
Yfed.Finance: YFED Token
0 ETH0.0003115412.91930782
Approve172200672023-05-09 2:56:35459 days ago1683600995IN
Yfed.Finance: YFED Token
0 ETH0.0019740181.85849298
Approve169692612023-04-03 15:03:59494 days ago1680534239IN
Yfed.Finance: YFED Token
0 ETH0.0010195142.27717165
Approve156768212022-10-04 19:21:23675 days ago1664911283IN
Yfed.Finance: YFED Token
0 ETH0.0004107617.03372143
Approve154791912022-09-05 17:44:07704 days ago1662399847IN
Yfed.Finance: YFED Token
0 ETH0.0002464410.21975206
Approve153321482022-08-13 7:38:57728 days ago1660376337IN
Yfed.Finance: YFED Token
0 ETH0.000401918.66209035
Approve152929332022-08-07 4:16:24734 days ago1659845784IN
Yfed.Finance: YFED Token
0 ETH0.000122985.09989908
Approve136546242021-11-20 22:54:04993 days ago1637448844IN
Yfed.Finance: YFED Token
0 ETH0.00477607102.93495587
Transfer136542552021-11-20 21:33:50993 days ago1637444030IN
Yfed.Finance: YFED Token
0 ETH0.0051073109
Transfer135831512021-11-09 16:17:061004 days ago1636474626IN
Yfed.Finance: YFED Token
0 ETH0.01043377222.6773891
Approve133492792021-10-03 23:49:201041 days ago1633304960IN
Yfed.Finance: YFED Token
0 ETH0.0032758370.60132035
Approve131198382021-08-29 10:29:501077 days ago1630232990IN
Yfed.Finance: YFED Token
0 ETH0.0028767362
Approve129735542021-08-06 20:31:311099 days ago1628281891IN
Yfed.Finance: YFED Token
0 ETH0.0024498652.8
Approve129254892021-07-30 6:53:071107 days ago1627627987IN
Yfed.Finance: YFED Token
0 ETH0.0013455729
Transfer129224772021-07-29 19:12:131107 days ago1627585933IN
Yfed.Finance: YFED Token
0 ETH0.0010996830
Transfer128872932021-07-24 5:59:341113 days ago1627106374IN
Yfed.Finance: YFED Token
0 ETH0.0002540713
Transfer128872862021-07-24 5:58:571113 days ago1627106337IN
Yfed.Finance: YFED Token
0 ETH0.0007230114
Transfer128872532021-07-24 5:50:541113 days ago1627105854IN
Yfed.Finance: YFED Token
0 ETH0.0005256712
Transfer128872472021-07-24 5:48:351113 days ago1627105715IN
Yfed.Finance: YFED Token
0 ETH0.0006132814
Approve128393652021-07-16 17:54:071120 days ago1626458047IN
Yfed.Finance: YFED Token
0 ETH0.0013919730
Approve127356712021-06-30 13:39:061136 days ago1625060346IN
Yfed.Finance: YFED Token
0 ETH0.0005103811
Approve126787252021-06-21 16:32:221145 days ago1624293142IN
Yfed.Finance: YFED Token
0 ETH0.0016870636.36000147
Approve126650452021-06-19 13:21:131147 days ago1624108873IN
Yfed.Finance: YFED Token
0 ETH0.0004639910
Approve126420162021-06-15 23:19:331151 days ago1623799173IN
Yfed.Finance: YFED Token
0 ETH0.0005103811
Approve126285102021-06-13 21:17:141153 days ago1623619034IN
Yfed.Finance: YFED Token
0 ETH0.0005246819.8
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Latest 25 internal transactions (View All)

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Parent Transaction Hash Block From To
175807062023-06-28 22:10:23408 days ago1687990223
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175807062023-06-28 22:10:23408 days ago1687990223
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0 ETH
153321542022-08-13 7:39:37728 days ago1660376377
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0 ETH
153321542022-08-13 7:39:37728 days ago1660376377
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0 ETH
153321542022-08-13 7:39:37728 days ago1660376377
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136546242021-11-20 22:54:04993 days ago1637448844
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0 ETH
136546242021-11-20 22:54:04993 days ago1637448844
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0 ETH
136546242021-11-20 22:54:04993 days ago1637448844
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0 ETH
136546242021-11-20 22:54:04993 days ago1637448844
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0 ETH
136546242021-11-20 22:54:04993 days ago1637448844
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0 ETH
136546242021-11-20 22:54:04993 days ago1637448844
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0 ETH
133532902021-10-04 15:04:161040 days ago1633359856
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133532902021-10-04 15:04:161040 days ago1633359856
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133532902021-10-04 15:04:161040 days ago1633359856
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133532902021-10-04 15:04:161040 days ago1633359856
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133515442021-10-04 8:33:201041 days ago1633336400
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133515442021-10-04 8:33:201041 days ago1633336400
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131679132021-09-05 20:37:281069 days ago1630874248
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131679132021-09-05 20:37:281069 days ago1630874248
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131198412021-08-29 10:30:181077 days ago1630233018
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131198412021-08-29 10:30:181077 days ago1630233018
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130549032021-08-19 9:30:361087 days ago1629365436
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130549032021-08-19 9:30:361087 days ago1629365436
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129743052021-08-06 23:14:071099 days ago1628291647
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129743052021-08-06 23:14:071099 days ago1628291647
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Contract Source Code Verified (Exact Match)

Contract Name:
YFED

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
/**
 *Submitted for verification at Etherscan.io on 2020-10-04
*/

pragma solidity ^0.4.24;

// ----------------------------------------------------------------------------
// 'YFED' token contract
//
// Deployed to : 0x376A93b6fE73E1a3CD53e07E283Bc83230fcB58e
// Symbol      : YFED
// Name        : YFED.FINANCE
// Total supply: 3500000000000
// Decimals    : 8
//
// Enjoy.
//
// ----------------------------------------------------------------------------


// ----------------------------------------------------------------------------
// Safe maths
// ----------------------------------------------------------------------------
contract SafeMath {
    function safeAdd(uint a, uint b) public pure returns (uint c) {
        c = a + b;
        require(c >= a);
    }
    function safeSub(uint a, uint b) public pure returns (uint c) {
        require(b <= a);
        c = a - b;
    }
    function safeMul(uint a, uint b) public pure returns (uint c) {
        c = a * b;
        require(a == 0 || c / a == b);
    }
    function safeDiv(uint a, uint b) public pure returns (uint c) {
        require(b > 0);
        c = a / b;
    }
}


// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
    function totalSupply() public constant returns (uint);
    function balanceOf(address tokenOwner) public constant returns (uint balance);
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
    function transfer(address to, uint tokens) public returns (bool success);
    function approve(address spender, uint tokens) public returns (bool success);
    function transferFrom(address from, address to, uint tokens) public returns (bool success);

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


// ----------------------------------------------------------------------------
// Contract function to receive approval and execute function in one call
//
// Borrowed from MiniMeToken
// ----------------------------------------------------------------------------
contract ApproveAndCallFallBack {
    function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}


// ----------------------------------------------------------------------------
// Owned contract
// ----------------------------------------------------------------------------
contract Owned {
    address public owner;
    address public newOwner;

    event OwnershipTransferred(address indexed _from, address indexed _to);

    constructor() public {
        owner = msg.sender;
    }

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }

    function transferOwnership(address _newOwner) public onlyOwner {
        newOwner = _newOwner;
    }
    function acceptOwnership() public {
        require(msg.sender == newOwner);
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
        newOwner = address(0);
    }
}


// ----------------------------------------------------------------------------
// ERC20 Token, with the addition of symbol, name and decimals and assisted
// token transfers
// ----------------------------------------------------------------------------
contract YFED is ERC20Interface, Owned, SafeMath {
    string public symbol;
    string public  name;
    uint8 public decimals;
    uint public _totalSupply;

    mapping(address => uint) balances;
    mapping(address => mapping(address => uint)) allowed;


    // ------------------------------------------------------------------------
    // Constructor
    // ------------------------------------------------------------------------
    constructor() public {
        symbol = "YFED";
        name = "YFED.FINANCE";
        decimals = 8;
        _totalSupply = 3500000000000;
        balances[0x376A93b6fE73E1a3CD53e07E283Bc83230fcB58e] = _totalSupply;
        emit Transfer(address(0), 0x376A93b6fE73E1a3CD53e07E283Bc83230fcB58e, _totalSupply);
    }


    // ------------------------------------------------------------------------
    // Total supply
    // ------------------------------------------------------------------------
    function totalSupply() public constant returns (uint) {
        return _totalSupply  - balances[address(0)];
    }


    // ------------------------------------------------------------------------
    // Get the token balance for account tokenOwner
    // ------------------------------------------------------------------------
    function balanceOf(address tokenOwner) public constant returns (uint balance) {
        return balances[tokenOwner];
    }


    // ------------------------------------------------------------------------
    // Transfer the balance from token owner's account to to account
    // - Owner's account must have sufficient balance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transfer(address to, uint tokens) public returns (bool success) {
        balances[msg.sender] = safeSub(balances[msg.sender], tokens);
        balances[to] = safeAdd(balances[to], tokens);
        emit Transfer(msg.sender, to, tokens);
        return true;
    }


    // ------------------------------------------------------------------------
    // Token owner can approve for spender to transferFrom(...) tokens
    // from the token owner's account
    //
    // https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
    // recommends that there are no checks for the approval double-spend attack
    // as this should be implemented in user interfaces 
    // ------------------------------------------------------------------------
    function approve(address spender, uint tokens) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        return true;
    }


    // ------------------------------------------------------------------------
    // Transfer tokens from the from account to the to account
    // 
    // The calling account must already have sufficient tokens approve(...)-d
    // for spending from the from account and
    // - From account must have sufficient balance to transfer
    // - Spender must have sufficient allowance to transfer
    // - 0 value transfers are allowed
    // ------------------------------------------------------------------------
    function transferFrom(address from, address to, uint tokens) public returns (bool success) {
        balances[from] = safeSub(balances[from], tokens);
        allowed[from][msg.sender] = safeSub(allowed[from][msg.sender], tokens);
        balances[to] = safeAdd(balances[to], tokens);
        emit Transfer(from, to, tokens);
        return true;
    }


    // ------------------------------------------------------------------------
    // Returns the amount of tokens approved by the owner that can be
    // transferred to the spender's account
    // ------------------------------------------------------------------------
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
        return allowed[tokenOwner][spender];
    }


    // ------------------------------------------------------------------------
    // Token owner can approve for spender to transferFrom(...) tokens
    // from the token owner's account. The spender contract function
    // receiveApproval(...) is then executed
    // ------------------------------------------------------------------------
    function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
        return true;
    }


    // ------------------------------------------------------------------------
    // Don't accept ETH
    // ------------------------------------------------------------------------
    function () public payable {
        revert();
    }


    // ------------------------------------------------------------------------
    // Owner can transfer out any accidentally sent ERC20 tokens
    // ------------------------------------------------------------------------
    function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
        return ERC20Interface(tokenAddress).transfer(owner, tokens);
    }
}

Contract Security Audit

Contract ABI

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Swarm Source

bzzr://9bf585525ca46a9e2316c8ab676f11f25dc6250463f6e5e6b788171ca8d72444

Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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OVERVIEW

Yfed platform aims to feature two types of staking - regular staking and fixed deposit staking. YFED will serve as governance token.

Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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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.