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oinfinance (OIN) ($0.0012)

Multichain Info

Transaction Hash
Method
Block
From
To
Transfer244529852026-02-14 5:38:113 hrs ago1771047491IN
Oin.Finance: OIN Token
0 ETH0.000001790.05054626
Approve244004652026-02-06 21:27:477 days ago1770413267IN
Oin.Finance: OIN Token
0 ETH0.000006880.28497398
Approve243923962026-02-05 18:23:478 days ago1770315827IN
Oin.Finance: OIN Token
0 ETH0.000205434.45402585
Approve243404532026-01-29 12:17:1115 days ago1769689031IN
Oin.Finance: OIN Token
0 ETH0.00001070.2324307
Approve243111982026-01-25 10:22:2319 days ago1769336543IN
Oin.Finance: OIN Token
0 ETH0.000001460.03157858
Approve242800172026-01-21 1:56:4724 days ago1768960607IN
Oin.Finance: OIN Token
0 ETH0.00000650.14118561
Approve242737922026-01-20 5:06:3525 days ago1768885595IN
Oin.Finance: OIN Token
0 ETH0.000014480.55397344
Approve242737912026-01-20 5:06:2325 days ago1768885583IN
Oin.Finance: OIN Token
0 ETH0.000013420.55589177
Approve242665922026-01-19 5:01:2326 days ago1768798883IN
Oin.Finance: OIN Token
0 ETH0.000001650.03558265
Approve242649892026-01-18 23:39:3526 days ago1768779575IN
Oin.Finance: OIN Token
0 ETH0.000002740.11345989
Approve242304342026-01-14 4:03:2331 days ago1768363403IN
Oin.Finance: OIN Token
0 ETH0.000003950.13626584
Approve242048402026-01-10 14:17:2334 days ago1768054643IN
Oin.Finance: OIN Token
0 ETH0.000006060.13177738
Approve241789632026-01-06 23:36:4738 days ago1767742607IN
Oin.Finance: OIN Token
0 ETH0.000002610.05672566
Approve241606002026-01-04 10:08:2340 days ago1767521303IN
Oin.Finance: OIN Token
0 ETH0.000003090.06673801
Approve241368792026-01-01 2:45:4744 days ago1767235547IN
Oin.Finance: OIN Token
0 ETH0.000093592.0297466
Approve241296882025-12-31 2:41:1145 days ago1767148871IN
Oin.Finance: OIN Token
0 ETH0.00000880.36437491
Approve240580052025-12-21 2:31:1155 days ago1766284271IN
Oin.Finance: OIN Token
0 ETH0.000000970.02092503
Approve240561072025-12-20 20:09:3555 days ago1766261375IN
Oin.Finance: OIN Token
0 ETH0.000094042.02522897
Approve240361672025-12-18 1:20:2358 days ago1766020823IN
Oin.Finance: OIN Token
0 ETH0.000005950.12908865
Approve239830512025-12-10 14:57:4765 days ago1765378667IN
Oin.Finance: OIN Token
0 ETH0.000016520.355959
Approve239634512025-12-07 20:50:4768 days ago1765140647IN
Oin.Finance: OIN Token
0 ETH0.000016950.36810568
Approve239531732025-12-06 10:14:1169 days ago1765016051IN
Oin.Finance: OIN Token
0 ETH0.000000750.03138456
Approve239531722025-12-06 10:13:5969 days ago1765016039IN
Oin.Finance: OIN Token
0 ETH0.000002680.1113803
Transfer238947602025-11-28 4:21:2378 days ago1764303683IN
Oin.Finance: OIN Token
0 ETH0.000054961.0431825
Approve238632522025-11-23 18:03:3582 days ago1763921015IN
Oin.Finance: OIN Token
0 ETH0.000008980.19501817
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Latest 3 internal transactions

Advanced mode:
Parent Transaction Hash Method Block
From
To
Transfer198139182024-05-06 22:07:11648 days ago1715033231
Oin.Finance: OIN Token
0.03242674 ETH
Transfer198138832024-05-06 22:00:11648 days ago1715032811
Oin.Finance: OIN Token
0.0323873 ETH
Transfer195791132024-04-04 1:26:11681 days ago1712193971
Oin.Finance: OIN Token
0.00512053 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
OinToken

Compiler Version
v0.5.17+commit.d19bba13

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, None license
/**
 *Submitted for verification at Etherscan.io on 2020-08-24
*/

pragma solidity >=0.4.22 <0.6.0;

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

contract OinToken {
    // Public variables of the token
    string public name;
    string public symbol;
    uint8 public decimals = 8;
    // 18 decimals is the strongly suggested default, avoid changing it
    uint256 public totalSupply;

    // This creates an array with all balances
    mapping (address => uint256) public balanceOf;
    mapping (address => mapping (address => uint256)) public allowance;

    // This generates a public event on the blockchain that will notify clients
    event Transfer(address indexed from, address indexed to, uint256 value);
    
    // This generates a public event on the blockchain that will notify clients
    event Approval(address indexed _owner, address indexed _spender, uint256 _value);

    // This notifies clients about the amount burnt
    event Burn(address indexed from, uint256 value);

    /**
     * Constructor function
     *
     * Initializes contract with initial supply tokens to the creator of the contract
     */
    constructor(
        uint256 initialSupply,
        string memory tokenName,
        string memory tokenSymbol
    ) public {
        totalSupply = initialSupply * 10 ** uint256(decimals);  // 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(0x0));
        // 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, uint256 _value) public returns (bool success) {
        _transfer(msg.sender, _to, _value);
        return true;
    }

    /**
     * Transfer tokens from other address
     *
     * Send `_value` tokens to `_to` on 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, uint256 _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 on your behalf
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     */
    function approve(address _spender, uint256 _value) public
        returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        emit Approval(msg.sender, _spender, _value);
        return true;
    }

    /**
     * Set allowance for other address and notify
     *
     * Allows `_spender` to spend no more than `_value` tokens on your behalf, and then ping the contract about it
     *
     * @param _spender The address authorized to spend
     * @param _value the max amount they can spend
     * @param _extraData some extra information to send to the approved contract
     */
    function approveAndCall(address _spender, uint256 _value, bytes memory _extraData)
        public
        returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);
        if (approve(_spender, _value)) {
            spender.receiveApproval(msg.sender, _value, address(this), _extraData);
            return true;
        }
    }

    /**
     * Destroy tokens
     *
     * Remove `_value` tokens from the system irreversibly
     *
     * @param _value the amount of money to burn
     */
    function burn(uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value);   // Check if the sender has enough
        balanceOf[msg.sender] -= _value;            // Subtract from the sender
        totalSupply -= _value;                      // Updates totalSupply
        emit Burn(msg.sender, _value);
        return true;
    }

    /**
     * Destroy tokens from other account
     *
     * Remove `_value` tokens from the system irreversibly on behalf of `_from`.
     *
     * @param _from the address of the sender
     * @param _value the amount of money to burn
     */
    function burnFrom(address _from, uint256 _value) public returns (bool success) {
        require(balanceOf[_from] >= _value);                // Check if the targeted balance is enough
        require(_value <= allowance[_from][msg.sender]);    // Check allowance
        balanceOf[_from] -= _value;                         // Subtract from the targeted balance
        allowance[_from][msg.sender] -= _value;             // Subtract from the sender's allowance
        totalSupply -= _value;                              // Update totalSupply
        emit Burn(_from, _value);
        return true;
    }
}

Contract Security Audit

Contract ABI

API
[{"inputs":[{"internalType":"uint256","name":"initialSupply","type":"uint256"},{"internalType":"string","name":"tokenName","type":"string"},{"internalType":"string","name":"tokenSymbol","type":"string"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_owner","type":"address"},{"indexed":true,"internalType":"address","name":"_spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"_value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_spender","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"},{"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"burn","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_from","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"}]

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000000000000000000000000000000000005f5e100000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000a6f696e66696e616e63650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034f494e0000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : initialSupply (uint256): 100000000
Arg [1] : tokenName (string): oinfinance
Arg [2] : tokenSymbol (string): OIN

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000005f5e100
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [4] : 6f696e66696e616e636500000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000003
Arg [6] : 4f494e0000000000000000000000000000000000000000000000000000000000


Deployed Bytecode Sourcemap

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Swarm Source

bzzr://1e1561592a2ea125091eef0fd245aa3742e45b003b3808af3343446daf9a9d76

Block Uncle Number Difficulty Gas Used Reward
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OVERVIEW

OIN aims to offer DeFi platform that provide liquidity mining and loans on Ontology, and ultimately on other top platforms through cross-chain functionality.

0x9aeB50f542050172359A0e1a25a9933Bc8c01259
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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.