Contract

0xa44E5137293E855B1b7bC7E2C6f8cD796fFCB037

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Sentinel Token

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Token Contract

API

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Token Holdings

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ContractCreator

0xC02129E4...e45062a95 | 8 yrs 60 days ago

TokenTracker

SENTinel (SENT) ($0.0001)

Multichain Info

$3,219.51 (Multichain Portfolio)

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Latest 25 from a total of 30,355 transactions

Transaction Hash	Method Search by Function Name / Method ID	Block	Set Duration Last 1H Last 24H Last 7D Last 30D Last 90D Last 180D Custom Duration From To	From	ANY IN OUT	To	Set Amounts > 0.00001 0-1 1-10 1-100 1-1k 1-10k 1-100k 1-1m Custom Amounts Amount must be 0 or greater than or equals 0.00001
0x58c61435d04a6a19a0f020362056718873a4c1c66d3f23ab23cc4112c6c17de9	Transfer	Transfer	24563197	2026-03-01 14:29:47	3 days ago	1772375387	0x6e2ccA86...07574001d	IN	Sentinel Token	0 ETH$0.00	0.00000811	0.16877192
0x665311ba155f3b205d858df536f22546a257fed3d3e6b197fd959aed4e58af0a	Approve	Approve	24558968	2026-03-01 0:20:11	4 days ago	1772324411	0x63aa54D9...FB571ff46	IN	Sentinel Token	0 ETH$0.00	0.00009001	2.03603533
0x53405c0e0bceb21067c86f68a84e52cce46bd59d56ec76ee4da92480e954c633	Transfer	Transfer	24503539	2026-02-21 6:47:11	11 days ago	1771656431	0x19C9c107...0Aa0Ba32B	IN	Sentinel Token	0 ETH$0.00	0.0001858	6
0x7980587a466fe7369fdf4b46115497beea00d8e46a73b1c3096a1052d9cb6845	Transfer	Transfer	24496362	2026-02-20 6:46:23	12 days ago	1771569983	0xC0a9CAd4...dc6Df243F	IN	Sentinel Token	0 ETH$0.00	0.00000436	0.08251694
0xcd87b4219d60f1706273e52c22f103d85a722f782cf924d57c8b2bd750a99b5a	Approve	Approve	24495858	2026-02-20 5:05:23	12 days ago	1771563923	0x65966390...efd7B1221	IN	Sentinel Token	0 ETH$0.00	0.00000253	0.057
0x42326aa5457134a12fd185fa11786f97015d8ca68a1460868377854c0630107f	Transfer	Transfer	24447572	2026-02-13 11:30:11	19 days ago	1770982211	0x6a06A7f3...939b9BeC1	IN	Sentinel Token	0 ETH$0.00	0.00004807	1
0x8f664a0a549dddbf27ee12cc8493641183477a6451e933c2811f086dffccb059	Transfer	Transfer	24325528	2026-01-27 10:19:35	36 days ago	1769509175	0x63181e35...a45D4E9B2	IN	Sentinel Token	0 ETH$0.00	0.00000264	0.08554381
0x2ecd66488d67bfb70abbe65962abae085da124d972e031666c08559dece6f612	Transfer	Transfer	24325400	2026-01-27 9:53:59	36 days ago	1769507639	0x7afeF4f3...a76d5A183	IN	Sentinel Token	0 ETH$0.00	0.0003172	6
0x6655bf0a650d23ee0ab732fad06c114a2eadeac422f529029cbb450b3baec3e2	Transfer	Transfer	24293981	2026-01-23 0:43:23	41 days ago	1769129003	0x7afeF4f3...a76d5A183	IN	Sentinel Token	0 ETH$0.00	0.0003172	6
0x9d4177cca0b814b0a79d0218917c1e141a3b013789b971915e5dc833de1d64a0	Transfer	Transfer	24293664	2026-01-22 23:39:47	41 days ago	1769125187	0x7afeF4f3...a76d5A183	IN	Sentinel Token	0 ETH$0.00	0.0003172	6
0x2fd0f0c0770c4d3817e667eb67ffedcd82e6c6a1f96e47bc69c6782e7cf1e824	Approve	Approve	24013491	2025-12-14 21:20:47	80 days ago	1765747247	0x6b94c4E8...23B5eB380	IN	Sentinel Token	0 ETH$0.00	0.00009019	2.0395956
0xe21bff6c05ea776a6b454b1d6f10c2aaa51cbf5bc23af5f94d1295dc3a696ad2	Approve	Approve	23944006	2025-12-05 3:10:35	89 days ago	1764904235	0xAd8771aB...38120E1d5	IN	Sentinel Token	0 ETH$0.00	0.00009004	2.02179637
0x80acc2a735383086831596823fba79e59f0183d20f7c8f8e9d28453b3e08d766	Transfer	Transfer	23930909	2025-12-03 5:43:59	91 days ago	1764740639	0xe911b1Ef...D6FeF5E22	IN	Sentinel Token	0 ETH$0.00	0.00006195	2
0xee30e271cad0fad309ed676ec9c90d57d9be2b8f15661698f3824856466460b2	Approve	Approve	23924685	2025-12-02 8:47:35	92 days ago	1764665255	0x9D676d93...a2a4676D6	IN	Sentinel Token	0 ETH$0.00	0.00004554	1.03026098
0xeada8a8fe57ac72675d945f826f6722817ad24714e6619a784885992c4fbea6f	Transfer	Transfer	23923773	2025-12-02 5:43:35	92 days ago	1764654215	0xDe39326d...f08E236A0	IN	Sentinel Token	0 ETH$0.00	0.00009782	2.03468609
0xb8431f794c5a190f62d141dda5220d6256bc0db37866903c79733a8c98b7cf5e	Approve	Approve	23921862	2025-12-01 23:18:23	93 days ago	1764631103	0xAd8771aB...38120E1d5	IN	Sentinel Token	0 ETH$0.00	0.00004941	2.03768522
0xf721c8ec5756180c65ebb09b7f148ff086ae1a671b51d1411484f6d5d5284b3f	Approve	Approve	23920993	2025-12-01 20:23:47	93 days ago	1764620627	0x701E13E8...fe5E35555	IN	Sentinel Token	0 ETH$0.00	0.00000668	0.15
0x06dd155ad7ff4cda9cf0a1fb4534b3b3a905a318007f0b68f029972be7bf7c4c	Transfer	Transfer	23742046	2025-11-06 18:31:59	118 days ago	1762453919	0xa00cd91D...680A1e2D3	IN	Sentinel Token	0 ETH$0.00	0.00006195	2
0x41cdd6b2c439d05e75f39d2ce86f54e16733050c3b84593b844d4e140ef9970c	Transfer	Transfer	23734899	2025-11-05 18:31:35	119 days ago	1762367495	0xDe39326d...f08E236A0	IN	Sentinel Token	0 ETH$0.00	0.00013108	2.72648183
0x01dce34c86d24bbe08878a68d57e5cc3fbdc77556c232aa9e729714ac871d20e	Approve	Approve	23734464	2025-11-05 17:04:11	119 days ago	1762362251	0x9647591D...72c29D997	IN	Sentinel Token	0 ETH$0.00	0.00019903	4.50062341
0x7aaff089b0e7ba7f5cf59eea4fac8ae221486d090ebf59cd74596c1b45594a2c	Transfer	Transfer	23714904	2025-11-02 23:25:11	122 days ago	1762125911	0xd255B993...3a01d2908	IN	Sentinel Token	0 ETH$0.00	0.00006193	2
0xbd450e2b273623d9b4d117034d6228c8f4f432a0238194cd7a5cd0fe3a7f2340	Transfer	Transfer	23707743	2025-11-01 23:24:47	123 days ago	1762039487	0xDe39326d...f08E236A0	IN	Sentinel Token	0 ETH$0.00	0.00009977	2.07621171
0x424f2b2c4bdf60c2e1dfde3d12412e9aa6650f48c31b709ec076dc8cafcbe6a5	Transfer	Transfer	23662064	2025-10-26 13:54:35	129 days ago	1761486875	0x7fa56335...234e85d1D	IN	Sentinel Token	0 ETH$0.00	0.00011559	2.18707996
0x7f42adb93cb9bce114a21e9d762bf409e01235fad3d64df725d3d5e3d00fe7c4	Approve	Approve	23655439	2025-10-25 15:42:35	130 days ago	1761406955	0x2A44236c...2D5228B4D	IN	Sentinel Token	0 ETH$0.00	0.00009334	2.11119582
0x0e715371ba0394c791788d590c1cbef2e1a4469d7bb288ee4355418b806d1a6d	Transfer	Transfer	23647212	2025-10-24 12:05:35	131 days ago	1761307535	0x2449d776...40B9F5Aa2	IN	Sentinel Token	0 ETH$0.00	0.00006191	2

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Contract Source Code Verified (Exact Match)

Contract Name:

Sentinel

Compiler Version

v0.4.19+commit.c4cbbb05

Optimization Enabled:

No with 200 runs

Other Settings:

default evmVersion

Contract Source Code (Solidity)

IDE

/**
 *Submitted for verification at Etherscan.io on 2018-01-03
*/

pragma solidity ^0.4.19;

contract Owned {
  address public owner;

  function Owned(
    )
      public {
        owner = msg.sender;
    }

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

  function transferOwnership(
    address _owner)
      onlyOwner public {
        require(_owner != 0x0);

        owner = _owner;
    }
}

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

contract ERC20Token {
  string public name;
  string public symbol;
  uint8 public decimals;
  uint256 public totalSupply;

  mapping (address => uint256) public balanceOf;
  mapping (address => mapping (address => uint256)) public allowance;

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

  event Burn(address indexed from, uint256 value);

  function ERC20Token(
    string _tokenName,
    string _tokenSymbol,
    uint8 _decimals,
    uint256 _totalSupply)
      public {
        name = _tokenName;
        symbol = _tokenSymbol;
        decimals = _decimals;
        totalSupply = _totalSupply * 10 ** uint256(decimals);
        balanceOf[msg.sender] = totalSupply;
    }

  function _transfer(
    address _from,
    address _to,
    uint256 _value)
      internal {
        require(_to != 0x0);
        require(_from != 0x0);
        require(_from != _to);
        require(balanceOf[_from] >= _value);
        require(balanceOf[_to] + _value > balanceOf[_to]);

        uint256 previousBalances = balanceOf[_from] + balanceOf[_to];

        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;

        Transfer(_from, _to, _value);

        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }

  function transfer(
    address _to,
    uint256 _value)
      public {
        _transfer(msg.sender, _to, _value);
    }

  function transferFrom(
    address _from,
    address _to,
    uint256 _value)
      public returns (bool success) {
        require(_value <= allowance[_from][msg.sender]);
        
        allowance[_from][msg.sender] -= _value;
        
        _transfer(_from, _to, _value);
        
        return true;
    }

  function approve(
    address _spender,
    uint256 _value)
      public returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        
        return true;
    }

  function approveAndCall(
    address _spender,
    uint256 _value,
    bytes _extraData)
      public returns (bool success) {
        tokenRecipient spender = tokenRecipient(_spender);

        if (approve(_spender, _value)) {
          spender.receiveApproval(msg.sender, _value, this, _extraData);
          
          return true;
        }
    }

  function burn(
    uint256 _value)
      public returns (bool success) {
        require(balanceOf[msg.sender] >= _value);

        balanceOf[msg.sender] -= _value;
        totalSupply -= _value;

        Burn(msg.sender, _value);

        return true;
    }

  function burnFrom(
    address _from,
    uint256 _value)
      public returns (bool success) {
        require(balanceOf[_from] >= _value);
        require(_value <= allowance[_from][msg.sender]);

        balanceOf[_from] -= _value;
        allowance[_from][msg.sender] -= _value;
        totalSupply -= _value;

        Burn(_from, _value);

        return true;
    }
}

contract Sentinel is Owned, ERC20Token {
  mapping (bytes32 => address) public services;

  function Sentinel(
    string _tokenName,
    string _tokenSymbol,
    uint8 _decimals,
    uint256 _totalSupply)
      ERC20Token(_tokenName, _tokenSymbol, _decimals, _totalSupply) public {
    }

  function deployService(
    bytes32 _serviceName,
    address _serviceAddress)
      onlyOwner public {
        services[_serviceName] = _serviceAddress;
    }

  function payService(
    bytes32 _serviceName,
    address _from,
    address _to,
    uint256 _value)
      public {
        require(msg.sender != 0x0);
        require(services[_serviceName] != 0x0);
        require(msg.sender == services[_serviceName]);
        require(_from != 0x0);
        require(_to != 0x0);
        require(balanceOf[_from] >= _value);
        require(balanceOf[_to] + _value > balanceOf[_to]);

        uint256 previousBalances = balanceOf[_from] + balanceOf[_to];

        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;

        Transfer(_from, _to, _value);

        assert(balanceOf[_from] + balanceOf[_to] == previousBalances);
    }
}

Contract Security Audit

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Contract ABI

API

[{"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":"","type":"bytes32"}],"name":"services","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","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":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_value","type":"uint256"}],"name":"burnFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_serviceName","type":"bytes32"},{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"payService","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"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":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","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"},{"constant":false,"inputs":[{"name":"_owner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_serviceName","type":"bytes32"},{"name":"_serviceAddress","type":"address"}],"name":"deployService","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_tokenName","type":"string"},{"name":"_tokenSymbol","type":"string"},{"name":"_decimals","type":"uint8"},{"name":"_totalSupply","type":"uint256"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"}]

Contract Creation Code

Decompile Bytecode Switch to Opcodes View

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

000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000077359400000000000000000000000000000000000000000000000000000000000000000853454e54696e656c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000453454e5400000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _tokenName (string): SENTinel
Arg [1] : _tokenSymbol (string): SENT
Arg [2] : _decimals (uint8): 8
Arg [3] : _totalSupply (uint256): 2000000000

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [3] : 0000000000000000000000000000000000000000000000000000000077359400
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [5] : 53454e54696e656c000000000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000004
Arg [7] : 53454e5400000000000000000000000000000000000000000000000000000000

Swarm Source

bzzr://5f1db0ef2fce6f9bc8ff00b80497b96170f9a3bd6cd63deb09106650ba23d781

Block		Uncle Number	Difficulty	Gas Used	Reward

View All Uncles

0xa44E5137293E855B1b7bC7E2C6f8cD796fFCB037

Net Worth in USD

$3,219.51

Net Worth in ETH

1.522576

Token Allocations

USDT 82.64%

BSC-USD 14.53%

SENT 2.47%

Others 0.36%

Multichain Portfolio | 33 Chains

Display all chains •

Last updated: less than 1 sec ago

Chain	Token	Portfolio %	Price	Amount	Value
ETH	Tether USD (USDT)	82.64%	$1	2,660.5956	$2,660.6
ETH	SENTinel (SENT)	2.47%	$0.000067	1,184,090.4652	$79.53
ETH	Pinakion (PNK)	0.36%	$0.011724	1,000	$11.72
BSC	Binance-Peg BSC-USD (BSC-USD)	14.53%	$1	467.6607	$467.66

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.

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