Token Binance USD

 

Overview [ERC-20]

Price
$1.00 @ 0.000554 Eth (-0.33%)
Fully Diluted Market Cap
Max Total Supply:
500.03820519465893 BUSD

Holders:
1 (0.00%)

Transfers:
-

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Market

Volume (24H):$3,280,155,806.00
Market Capitalization:$8,025,496,097.00
Circulating Supply:8,024,348,824.00 BUSD
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Binance
BTC-BUSD$1.0010
0.0005556 Eth
$768,565,456.0000
26,884.692 BTC
0.0000%
2
LBank
ETH-BUSD$1.0010
0.0005556 Eth
$434,972,463.0000
241,343.507 ETH
0.0000%
3
Binance
BUSD-USDT$1.0010
0.0005553 Eth
$395,964,356.0000
395,501,886.690 BUSD
0.0159%
4
Binance
ETH-BUSD$0.9997
0.0005544 Eth
$257,439,650.0000
142,949.702 ETH
0.0000%
5
Binance
XRP-BUSD$1.0000
0.0005541 Eth
$147,431,939.0000
271,379,514.148 XRP
0.0109%
6
Coinsbit
BTC-BUSD$1.0000
0.0005545 Eth
$67,266,985.0000
2,355.269 BTC
0.0000%
7
Tidex
BTC-BUSD$1.0010
0.0005555 Eth
$67,110,056.0000
2,347.347 BTC
0.0000%
8
BitMart
BUSD-USDT$1.0010
0.0005555 Eth
$63,436,367.0000
63,385,632.000 BUSD
0.0026%
9
Binance
CFX-BUSD$0.9995
0.0005542 Eth
$49,816,679.0000
117,518,513.311 CFX
0.0047%
10
Binance
SXP-BUSD$1.0000
0.0005545 Eth
$39,640,973.0000
84,673,663.556 SXP
0.0034%
11
Bitrue
BTC-BUSD$1.0000
0.0005545 Eth
$39,330,471.0000
1,376.896 BTC
0.0000%
12
Binance
BNB-BUSD$1.0000
0.0005547 Eth
$36,363,428.0000
114,564.767 BNB
0.0000%
13
LBank
BUSD-USDT$1.0010
0.0005555 Eth
$35,727,586.0000
35,697,226.422 BUSD
0.0014%
14
Bitrue
BUSD-USDT$1.0010
0.0005555 Eth
$31,113,406.0000
31,090,077.000 BUSD
0.0013%
15
Binance
SOL-BUSD$1.0010
0.0005554 Eth
$30,047,598.0000
1,455,234.033 SOL
0.0001%
16
Biconomy
BTC-BUSD$0.9997
0.0005544 Eth
$28,133,638.0000
984.532 BTC
0.0000%
17
Bitrue
ETH-BUSD$1.0000
0.0005545 Eth
$27,667,599.0000
15,361.996 ETH
0.0000%
18
Binance
ADA-BUSD$0.9997
0.0005544 Eth
$24,922,792.0000
65,742,885.030 ADA
0.0026%
19
Binance
BUSD-TRY$1.0190
0.0005654 Eth
$23,857,555.0000
23,404,090.084 BUSD
0.0009%
20
PancakeSwap (v2)
0XE9E7CEA3DEDCA5984780BAFC599BD69ADD087D56-USDT$1.0010
0.0005547 Eth
$22,410,463.0000
22,408,747.997 0XE9E7CEA3DEDCA5984780BAFC599BD69ADD087D56
0.0009%
21
P2B
BTC-BUSD$1.0010
0.0005556 Eth
$19,364,215.0000
677.474 BTC
0.0000%
22
Binance
MASK-BUSD$0.9990
0.0005539 Eth
$18,077,380.0000
2,831,838.944 MASK
0.0001%
23
Binance
AGIX-BUSD$1.0000
0.0005547 Eth
$17,844,976.0000
42,643,732.337 AGIX
0.0017%
24
P2B
BUSD-USDT$1.0010
0.0005555 Eth
$16,675,587.0000
16,663,083.600 BUSD
0.0007%
25
Binance
MATIC-BUSD$1.0010
0.0005554 Eth
$16,292,819.0000
14,649,108.969 MATIC
0.0006%
26
Binance
FTM-BUSD$0.9990
0.0005539 Eth
$15,757,259.0000
34,973,415.973 FTM
0.0014%
27
Binance
JOE-BUSD$1.0010
0.0005555 Eth
$15,277,598.0000
25,947,234.052 JOE
0.0010%
28
Binance
LTC-BUSD$0.9992
0.0005542 Eth
$14,461,785.0000
160,670.133 LTC
0.0000%
29
Biconomy
ETH-BUSD$0.9997
0.0005544 Eth
$13,376,376.0000
7,427.356 ETH
0.0000%
30
Binance
SHIB-BUSD$1.0000
0.0005545 Eth
$13,172,424.0000
1,236,419,965,482.100 SHIB
49.7934%
31
Binance
DOGE-BUSD$1.0010
0.0005542 Eth
$13,122,415.0000
174,619,023.277 DOGE
0.0070%
32
LBank
SHIB-BUSD$1.0010
0.0005556 Eth
$12,022,562.0000
1,127,008,163,608.140 SHIB
45.3871%
33
XT.COM
BTC-BUSD$1.0000
0.0005545 Eth
$11,272,435.0000
395.552 BTC
0.0000%
34
LBank
BTC-BUSD$1.0010
0.0005555 Eth
$11,234,036.0000
392.940 BTC
0.0000%
35
Binance
OP-BUSD$1.0000
0.0005547 Eth
$10,565,690.0000
4,654,416.093 OP
0.0002%
36
Coinsbit
BUSD-USDT$0.9994
0.0005540 Eth
$10,289,505.0000
10,295,234.730 BUSD
0.0004%
37
Binance
LUNC-BUSD$0.9992
0.0005542 Eth
$9,578,786.0000
78,390,087,329.435 LUNC
3.1569%
38
Bitrue
AGIX-BUSD$1.0000
0.0005545 Eth
$9,086,378.0000
21,730,240.000 AGIX
0.0009%
39
Binance
GALA-BUSD$1.0000
0.0005541 Eth
$9,077,055.0000
220,289,103.307 GALA
0.0089%
40
Binance
LINK-BUSD$0.9997
0.0005544 Eth
$8,546,751.0000
1,165,047.714 LINK
0.0000%
41
Coinsbit
ETH-BUSD$1.0000
0.0005545 Eth
$8,311,233.0000
4,607.824 ETH
0.0000%
42
P2B
ETH-BUSD$1.0010
0.0005556 Eth
$8,180,269.0000
4,538.300 ETH
0.0000%
43
Tidex
ETH-BUSD$1.0010
0.0005555 Eth
$7,970,954.0000
4,422.703 ETH
0.0000%
44
Binance
ATOM-BUSD$0.9992
0.0005542 Eth
$7,466,736.0000
671,393.702 ATOM
0.0000%
45
Binance
STX-BUSD$1.0010
0.0005555 Eth
$7,163,620.0000
7,550,519.338 STX
0.0003%
46
Binance
AVAX-BUSD$0.9997
0.0005544 Eth
$7,135,325.0000
409,954.253 AVAX
0.0000%
47
Binance
APT-BUSD$1.0010
0.0005541 Eth
$7,059,811.0000
628,187.038 APT
0.0000%
48
Tidex
XRP-BUSD$1.0010
0.0005555 Eth
$7,002,927.0000
12,919,394.875 XRP
0.0005%
49
BingX
BUSD-USDT$1.0000
0.0005553 Eth
$6,971,062.0000
6,966,256.394 BUSD
0.0003%
50
Binance
LDO-BUSD$1.0000
0.0005547 Eth
$6,791,320.0000
2,912,184.194 LDO
0.0001%
51
Binance
FET-BUSD$1.0000
0.0005545 Eth
$6,788,423.0000
18,435,423.888 FET
0.0007%
52
Binance
FIL-BUSD$1.0010
0.0005555 Eth
$6,065,374.0000
1,076,051.574 FIL
0.0000%
53
Binance
HOOK-BUSD$1.0000
0.0005547 Eth
$5,487,092.0000
3,046,474.624 HOOK
0.0001%
54
Tidex
MATIC-BUSD$1.0010
0.0005555 Eth
$4,548,894.0000
4,091,914.944 MATIC
0.0002%
55
Binance
MAGIC-BUSD$0.9996
0.0005544 Eth
$4,500,144.0000
3,296,044.433 MAGIC
0.0001%
56
Tidex
ADA-BUSD$1.0010
0.0005555 Eth
$4,467,924.0000
11,783,024.870 ADA
0.0005%
57
XT.COM
ETH-BUSD$1.0000
0.0005545 Eth
$4,434,532.0000
2,465.153 ETH
0.0000%
58
Binance
APE-BUSD$1.0000
0.0005547 Eth
$4,432,444.0000
1,082,386.888 APE
0.0000%
59
Binance US
BTC-BUSD$1.0000
0.0005545 Eth
$4,350,811.0000
152.294 BTC
0.0000%
60
Pancakeswap (Stableswap)
0X55D398326F99059FF775485246999027B3197955-0XE9E7CEA3DEDCA5984780BAFC599BD69ADD087D56$1.0010
0.0005556 Eth
$3,902,668.0000
3,897,922.667 0X55D398326F99059FF775485246999027B3197955
0.0002%
61
Binance
GMT-BUSD$1.0000
0.0005547 Eth
$3,778,142.0000
9,797,933.037 GMT
0.0004%
62
Binance
DYDX-BUSD$1.0010
0.0005556 Eth
$3,774,314.0000
1,534,710.017 DYDX
0.0001%
63
Cryptology
BTC-BUSD$1.0010
0.0005556 Eth
$3,552,308.0000
124.300 BTC
0.0000%
64
Binance
DOT-BUSD$1.0010
0.0005554 Eth
$3,390,271.0000
550,427.951 DOT
0.0000%
65
Binance
TRX-BUSD$1.0000
0.0005541 Eth
$3,125,388.0000
47,951,425.086 TRX
0.0019%
66
Binance
BUSD-BIDR$1.0000
0.0005547 Eth
$3,065,673.0000
3,065,653.532 BUSD
0.0001%
67
Binance
BUSD-BRL$1.0100
0.0005606 Eth
$2,980,141.0000
2,950,432.723 BUSD
0.0001%
68
Pancakeswap (Stableswap)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-0XE9E7CEA3DEDCA5984780BAFC599BD69ADD087D56$1.0010
0.0005554 Eth
$2,882,923.0000
2,880,816.555 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0001%
69
Binance
NEAR-BUSD$1.0010
0.0005555 Eth
$2,837,337.0000
1,449,115.956 NEAR
0.0001%
70
Pionex
BTC-BUSD$1.0010
0.0005554 Eth
$2,721,547.0000
95.221 BTC
0.0000%
71
LBank
XRP-BUSD$1.0010
0.0005556 Eth
$2,468,709.0000
4,552,989.202 XRP
0.0002%
72
Bybit
BUSD-USDT$1.0010
0.0005552 Eth
$2,418,361.0000
2,416,261.620 BUSD
0.0001%
73
Bitrue
OP-BUSD$1.0000
0.0005545 Eth
$2,253,001.0000
992,168.970 OP
0.0000%
74
Binance
ETC-BUSD$0.9996
0.0005543 Eth
$2,206,190.0000
107,873.914 ETC
0.0000%
75
XT.COM
BUSD-USDT$1.0010
0.0005546 Eth
$1,978,404.0000
1,977,228.741 BUSD
0.0001%
76
Binance US
ETH-BUSD$1.0000
0.0005545 Eth
$1,923,701.0000
1,068.372 ETH
0.0000%
77
PancakeSwap (v2)
0X7130D2A12B9BCBFAE4F2634D864A1EE1CE3EAD9C-BUSD$1.0000
0.0005545 Eth
$1,895,588.0000
66.387 0X7130D2A12B9BCBFAE4F2634D864A1EE1CE3EAD9C
0.0000%
78
KuCoin
BUSD-USDT$1.0010
0.0005546 Eth
$1,778,446.0000
1,777,485.405 BUSD
0.0001%
79
Binance
BUSD-DAI$1.0000
0.0005543 Eth
$1,470,956.0000
1,470,956.056 BUSD
0.0001%
80
Binance
UNI-BUSD$1.0010
0.0005555 Eth
$1,461,798.0000
245,803.898 UNI
0.0000%
81
BKEX
BUSD-USDT$1.0010
0.0005546 Eth
$1,210,916.0000
1,210,165.580 BUSD
0.0000%
82
Deepcoin
BUSD-USDT$1.0010
0.0005555 Eth
$1,142,381.0000
1,158,755.800 BUSD
0.0000%
83
Biswap
0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C-0XE9E7CEA3DEDCA5984780BAFC599BD69ADD087D56$1.0030
0.0005565 Eth
$1,086,544.0000
3,440.412 0XBB4CDB9CBD36B01BD1CBAEBF2DE08D9173BC095C
0.0000%
84
Nominex
BTC-BUSD$1.0000
0.0005547 Eth
$999,543.0000
35.000 BTC
0.0000%
85
Dex-Trade
BTC-BUSD$1.0000
0.0005545 Eth
$859,427.0000
30.082 BTC
0.0000%
86
Pionex
ETH-BUSD$1.0010
0.0005554 Eth
$832,562.0000
461.701 ETH
0.0000%
87
PancakeSwap (v2)
0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D-BUSD$1.0000
0.0005545 Eth
$620,280.0000
621,647.088 0X8AC76A51CC950D9822D68B83FE1AD97B32CD580D
0.0000%
88
Binance
PAXG-BUSD$1.0010
0.0005556 Eth
$532,849.0000
268.864 PAXG
0.0000%
89
P2B
MATIC-BUSD$1.0010
0.0005556 Eth
$504,416.0000
453,432.100 MATIC
0.0000%
90
XT.COM
XRP-BUSD$1.0000
0.0005545 Eth
$500,103.0000
921,458.520 XRP
0.0000%
91
P2B
SHIB-BUSD$1.0010
0.0005556 Eth
$417,109.0000
39,165,281,863.000 SHIB
1.5773%
92
Binance
BUSD-RUB$1.0130
0.0005614 Eth
$371,682.0000
367,089.374 BUSD
0.0000%
93
Nominex
ETH-BUSD$1.0000
0.0005547 Eth
$319,526.0000
177.497 ETH
0.0000%
94
Nominex
XRP-BUSD$1.0000
0.0005547 Eth
$211,265.0000
390,069.263 XRP
0.0000%
95
TokoCrypto
BUSD-BIDR$1.0000
0.0005547 Eth
$177,824.0000
177,803.634 BUSD
0.0000%
96
P2B
ATOM-BUSD$1.0010
0.0005556 Eth
$161,226.0000
14,498.200 ATOM
0.0000%
97
P2B
DOGE-BUSD$1.0010
0.0005556 Eth
$135,265.0000
1,802,324.800 DOGE
0.0001%
98
BitBNS
BUSD-INR$1.1300
0.0006280 Eth
$81,228.0000
71,751.800 BUSD
0.0000%
99
XT.COM
TRX-BUSD$1.0000
0.0005545 Eth
$70,379.0000
1,092,006.400 TRX
0.0000%
100
TokoCrypto
LUNC-BUSD$1.0000
0.0005541 Eth
$32,242.0000
263,606,660.215 LUNC
0.0106%

Similar Match Source Code
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x023F34ce25758d4BC8FaC68e7472545D6b86d4Ea

Contract Name:
L2StandardERC20

Compiler Version
v0.8.9+commit.e5eed63a

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion
File 1 of 7 : L2StandardERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "./IL2StandardERC20.sol";

contract L2StandardERC20 is IL2StandardERC20, ERC20 {
    address public l1Token;
    address public l2Bridge;
    uint8 private immutable _decimals;

    /**
     * @param _l2Bridge Address of the L2 standard bridge.
     * @param _l1Token Address of the corresponding L1 token.
     * @param _name ERC20 name.
     * @param _symbol ERC20 symbol.
     * @param decimals_ ERC20 decimals.
     */
    constructor(
        address _l2Bridge,
        address _l1Token,
        string memory _name,
        string memory _symbol,
        uint8 decimals_
    ) ERC20(_name, _symbol) {
        l1Token = _l1Token;
        l2Bridge = _l2Bridge;
        _decimals = decimals_;
    }

    modifier onlyL2Bridge() {
        require(msg.sender == l2Bridge, "Only L2 Bridge can mint and burn");
        _;
    }

    function supportsInterface(bytes4 _interfaceId) public pure returns (bool) {
        bytes4 firstSupportedInterface = bytes4(keccak256("supportsInterface(bytes4)")); // ERC165
        bytes4 secondSupportedInterface = IL2StandardERC20.l1Token.selector ^
            IL2StandardERC20.mint.selector ^
            IL2StandardERC20.burn.selector;
        return _interfaceId == firstSupportedInterface || _interfaceId == secondSupportedInterface;
    }

    function mint(address _to, uint256 _amount) public virtual onlyL2Bridge {
        _mint(_to, _amount);

        emit Mint(_to, _amount);
    }

    function burn(address _from, uint256 _amount) public virtual onlyL2Bridge {
        _burn(_from, _amount);

        emit Burn(_from, _amount);
    }

    function decimals() public view virtual override returns (uint8) {
        return _decimals;
    }
}

File 2 of 7 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(
        address sender,
        address recipient,
        uint256 amount
    ) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

File 3 of 7 : IL2StandardERC20.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";

interface IL2StandardERC20 is IERC20, IERC165 {
    function l1Token() external returns (address);

    function mint(address _to, uint256 _amount) external;

    function burn(address _from, uint256 _amount) external;

    event Mint(address indexed _account, uint256 _amount);
    event Burn(address indexed _account, uint256 _amount);
}

File 4 of 7 : IERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

File 5 of 7 : IERC20Metadata.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

File 6 of 7 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

File 7 of 7 : IERC165.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

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