Contract 0xe1146b9AC456fCbB60644c36Fd3F868A9072fc6E

Contract Overview

Fantom Finance: fBTC Token
Balance:
0 FTM

FTM Value:
$0.00

Token:
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x2e4bc553a33ac3b64ed08cfb9d31abf1b87cd1f804737a9457ed52b507c79b2bIncrease Allowan...383433932022-05-16 5:14:141 day 21 hrs ago0xf1fbe2d2b84a4402a851e1b172708582d0fac48b IN  Fantom Finance: fBTC Token0 FTM0.037155227584
0xf5a5658cf1cafd7a6910065f39f4e1be002d078ee786cee101d04500773a0143Approve381833722022-05-13 23:25:564 days 3 hrs ago0xe5cd6b21455e87d5f8daab3a0ac1f0c728e09e66 IN  Fantom Finance: fBTC Token0 FTM0.011627498577
0xd24c346d5959ff4731598a156f9b4bd22bfbef9e362f99e509094a4aa4099c1fApprove381833532022-05-13 23:25:384 days 3 hrs ago0xe5cd6b21455e87d5f8daab3a0ac1f0c728e09e66 IN  Fantom Finance: fBTC Token0 FTM0.019692726463
0x2ef9aa9426710eb22c90dfa75ace49b4adaa560d35537d859b899a4cb866aa46Increase Allowan...381420982022-05-13 8:34:254 days 18 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.053050136186
0xe8d8d1d27adb4416b75e65a1670ef31e820d7ea0fdbe147e8b400e4f689a0aa0Increase Allowan...375114352022-05-04 5:56:1613 days 20 hrs ago0x9642f4781e1e6673b1ad2dec31bc727993bf76ad IN  Fantom Finance: fBTC Token0 FTM0.004449191258
0x35e69944577c77820efc8a7601b3e770109bd1497c0ccac0ee6edfb9c1b4ec0dIncrease Allowan...375111922022-05-04 5:51:5513 days 20 hrs ago0x9642f4781e1e6673b1ad2dec31bc727993bf76ad IN  Fantom Finance: fBTC Token0 FTM0.004378166269
0xf0fa85094f89c06fba9b17edba1f116cdcae4208a28606e87c907e86ab0aa145Increase Allowan...369678752022-04-26 1:33:1522 days 1 hr ago0x15a3f675184a4e09877ed10ad8080438ea9e35ae IN  Fantom Finance: fBTC Token0 FTM0.005120549965
0x94be0c89cdb3b4528e383cc66ef7f9c52acff1b432f2d1a95cdeb6f295661119Increase Allowan...369031282022-04-25 3:49:4122 days 22 hrs ago0x69068d5f85236be59131aaa454f66a7da6d5c7aa IN  Fantom Finance: fBTC Token0 FTM0.009096899188
0x022caedc448ad697e84dc9b688060f2f2c8a05df22849f584cccdb14ab60a06eIncrease Allowan...367411652022-04-23 1:02:3125 days 1 hr ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.00599979768
0x2c10de70f0481016e0322a18229f7a27b50e6b1b1fd44322872d3eef64cca00bIncrease Allowan...367408432022-04-23 0:57:0525 days 1 hr ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.00599979768
0xa0ccae62f420a5dc44c11ea1a168885382edbf11500c5378c080eafd881de7c0Increase Allowan...367403062022-04-23 0:48:1125 days 1 hr ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.006364942967
0xd5aca68911daadf070ce8a93683d09d20b81c3cc3d0a30631d71f8d80d4a9aeeTransfer367388432022-04-23 0:22:0625 days 2 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.004925628139
0x3a0012e286f4a2d84c84da4b77c4ab792e59ac0cdb21148d0cfe6f55b44d1dceIncrease Allowan...367387552022-04-23 0:20:3125 days 2 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.005480567291
0xe22dafca0e37156382300d294ddcb7f5511b4155d6d127067b710e61f4cf4b4fIncrease Allowan...366970302022-04-22 11:29:3725 days 15 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.005070170756
0x0da254b0e77a3a76086f513837313839cbeffab25cbfb6180a7ad3f62dfcc4cdTransfer366970032022-04-22 11:29:1125 days 15 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.005317873051
0xefc7806b9ffb8d1d804dd110b14d3483348c63d7d671963d6432240888038299Increase Allowan...366965682022-04-22 11:21:5625 days 15 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.00578901827
0x0f75cf5d8943fe58c3ea8ddeff7e4700b05cf9e70d87d3867c01acb65ddc9696Increase Allowan...366728462022-04-22 4:23:4225 days 22 hrs ago0xf1fbe2d2b84a4402a851e1b172708582d0fac48b IN  Fantom Finance: fBTC Token0 FTM0.003925599097
0xfae1c31680687fc0fe8e422702dfc20b6433b26ec3c1f55d97ec1b059be4ac93Increase Allowan...366601452022-04-22 0:50:2526 days 1 hr ago0x1f45df42e81892260f50a256bbe7120d6624c2f1 IN  Fantom Finance: fBTC Token0 FTM0.005907472148
0x8cd1f584b56383360b54d1638ffba76b0c518b158b6dfdff457b341484edd076Increase Allowan...366598672022-04-22 0:46:0426 days 1 hr ago0x1f45df42e81892260f50a256bbe7120d6624c2f1 IN  Fantom Finance: fBTC Token0 FTM0.005907472148
0xc2e323d1bd8f0e8cd005460b6dd124c62da74b551d13818240d779f0c645f41cIncrease Allowan...366590502022-04-22 0:31:5526 days 2 hrs ago0x1f45df42e81892260f50a256bbe7120d6624c2f1 IN  Fantom Finance: fBTC Token0 FTM0.005907472148
0xd573c426ca0ca205a45e55497c326cde3e8e689e312b0895cde48bd8cc2dda5dIncrease Allowan...366588332022-04-22 0:28:3526 days 2 hrs ago0x1f45df42e81892260f50a256bbe7120d6624c2f1 IN  Fantom Finance: fBTC Token0 FTM0.005907472148
0xe1439901e7a3aaf110180bb51b229c021e3b0ae40c3fcc679b2216d90ab0a628Increase Allowan...364633762022-04-19 15:57:4028 days 10 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.01078667472
0xba0d0dd6126afa6f7406a8a58cadc039f3612b5957ae66c03aa06d610d07a6eaIncrease Allowan...364623552022-04-19 15:27:3928 days 11 hrs ago0xd9918f8c7cafbf06b03bbe02d7da0148ec9a30df IN  Fantom Finance: fBTC Token0 FTM0.01078667472
0x7ca51b14bcf547b177f40b7041d7aac739e696860e8fe809c4768f3626558e56Increase Allowan...364190622022-04-19 2:53:3428 days 23 hrs ago0x1f45df42e81892260f50a256bbe7120d6624c2f1 IN  Fantom Finance: fBTC Token0 FTM0.008369382249
0x79e1d028fc90bc9364b29240c551d5fbc9ab4a0f722b6a1f901ed15a9653ee44Increase Allowan...364189792022-04-19 2:52:1928 days 23 hrs ago0x1f45df42e81892260f50a256bbe7120d6624c2f1 IN  Fantom Finance: fBTC Token0 FTM0.008369382249
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0x508fce375e5b7ac9bcb56d8df0a93a93cfddc7f33871b6dc3c8b869ad638b37a14129642020-12-09 22:45:01524 days 3 hrs ago 0x3ea8375b450e443a9bb5cac5f4be9f8f646d7318  Contract Creation0 FTM
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Contract Source Code Verified (Exact Match)

Contract Name:
fBTC

Compiler Version
v0.5.17+commit.d19bba13

Optimization Enabled:
Yes with 5000000 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at FtmScan.com on 2021-02-20
*/

pragma solidity ^0.5.0;

contract Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () internal { }
    // solhint-disable-previous-line no-empty-blocks

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

library Roles {
    struct Role {
        mapping (address => bool) bearer;
    }

    /**
     * @dev Give an account access to this role.
     */
    function add(Role storage role, address account) internal {
        require(!has(role, account), "Roles: account already has role");
        role.bearer[account] = true;
    }

    /**
     * @dev Remove an account's access to this role.
     */
    function remove(Role storage role, address account) internal {
        require(has(role, account), "Roles: account does not have role");
        role.bearer[account] = false;
    }

    /**
     * @dev Check if an account has this role.
     * @return bool
     */
    function has(Role storage role, address account) internal view returns (bool) {
        require(account != address(0), "Roles: account is the zero address");
        return role.bearer[account];
    }
}

contract MinterRole is Context {
    using Roles for Roles.Role;

    event MinterAdded(address indexed account);
    event MinterRemoved(address indexed account);

    Roles.Role private _minters;

    constructor () internal {
        _addMinter(_msgSender());
    }

    modifier onlyMinter() {
        require(isMinter(_msgSender()), "MinterRole: caller does not have the Minter role");
        _;
    }

    function isMinter(address account) public view returns (bool) {
        return _minters.has(account);
    }

    function addMinter(address account) public onlyMinter {
        _addMinter(account);
    }

    function renounceMinter() public {
        _removeMinter(_msgSender());
    }

    function _addMinter(address account) internal {
        _minters.add(account);
        emit MinterAdded(account);
    }

    function _removeMinter(address account) internal {
        _minters.remove(account);
        emit MinterRemoved(account);
    }
}

contract PauserRole is Context {
    using Roles for Roles.Role;

    event PauserAdded(address indexed account);
    event PauserRemoved(address indexed account);

    Roles.Role private _pausers;

    constructor () internal {
        _addPauser(_msgSender());
    }

    modifier onlyPauser() {
        require(isPauser(_msgSender()), "PauserRole: caller does not have the Pauser role");
        _;
    }

    function isPauser(address account) public view returns (bool) {
        return _pausers.has(account);
    }

    function addPauser(address account) public onlyPauser {
        _addPauser(account);
    }

    function renouncePauser() public {
        _removePauser(_msgSender());
    }

    function _addPauser(address account) internal {
        _pausers.add(account);
        emit PauserAdded(account);
    }

    function _removePauser(address account) internal {
        _pausers.remove(account);
        emit PauserRemoved(account);
    }
}

contract Pausable is Context, PauserRole {
    /**
     * @dev Emitted when the pause is triggered by a pauser (`account`).
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by a pauser (`account`).
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state. Assigns the Pauser role
     * to the deployer.
     */
    constructor () internal {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     */
    modifier whenNotPaused() {
        require(!_paused, "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     */
    modifier whenPaused() {
        require(_paused, "Pausable: not paused");
        _;
    }

    /**
     * @dev Called by a pauser to pause, triggers stopped state.
     */
    function pause() public onlyPauser whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Called by a pauser to unpause, returns to normal state.
     */
    function unpause() public onlyPauser whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     *
     * _Available since v2.4.0._
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     *
     * _Available since v2.4.0._
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     *
     * _Available since v2.4.0._
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

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);
}

contract ERC20 is Context, IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

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

    uint256 private _totalSupply;

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view 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 returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

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

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public 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 returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        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 returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(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 returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is 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 {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(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
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(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 {
        require(account != address(0), "ERC20: burn from the zero address");

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
     *
     * This is 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 {
        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 Destroys `amount` tokens from `account`.`amount` is then deducted
     * from the caller's allowance.
     *
     * See {_burn} and {_approve}.
     */
    function _burnFrom(address account, uint256 amount) internal {
        _burn(account, amount);
        _approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
    }
}

contract ERC20Burnable is Context, ERC20 {
    /**
     * @dev Destroys `amount` tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 amount) public {
        _burn(_msgSender(), amount);
    }

    /**
     * @dev See {ERC20-_burnFrom}.
     */
    function burnFrom(address account, uint256 amount) public {
        _burnFrom(account, amount);
    }
}

contract ERC20Detailed is IERC20 {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for `name`, `symbol`, and `decimals`. All three of
     * these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name, string memory symbol, uint8 decimals) public {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }

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

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view 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.
     *
     * 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 returns (uint8) {
        return _decimals;
    }
}

contract ERC20Mintable is ERC20, MinterRole {
    /**
     * @dev See {ERC20-_mint}.
     *
     * Requirements:
     *
     * - the caller must have the {MinterRole}.
     */
    function mint(address account, uint256 amount) public onlyMinter returns (bool) {
        _mint(account, amount);
        return true;
    }
}

contract ERC20Pausable is ERC20, Pausable {
    function transfer(address to, uint256 value) public whenNotPaused returns (bool) {
        return super.transfer(to, value);
    }

    function transferFrom(address from, address to, uint256 value) public whenNotPaused returns (bool) {
        return super.transferFrom(from, to, value);
    }

    function approve(address spender, uint256 value) public whenNotPaused returns (bool) {
        return super.approve(spender, value);
    }

    function increaseAllowance(address spender, uint256 addedValue) public whenNotPaused returns (bool) {
        return super.increaseAllowance(spender, addedValue);
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public whenNotPaused returns (bool) {
        return super.decreaseAllowance(spender, subtractedValue);
    }
}

contract fBTC is ERC20, ERC20Detailed, ERC20Mintable, ERC20Burnable, ERC20Pausable {
    // create instance of the fBTC token
    constructor () public ERC20Detailed("fBTC", "FBTC", 18) {
    }
}

Contract Security Audit

Contract ABI

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d","outputs":[{"internalType":"bool","name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceMinter","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renouncePauser","outputs":[],"payable":false,"stateMutability":"nonpayable","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":"","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":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]

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Swarm Source

bzzr://8095f4ab30ee4bf35aece7e5628e47b2c5f8148a29b8205c444aa3259ecac17c
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Validator ID :
0 FTM

Amount Staked
0

Amount Delegated
0

Staking Total
0

Staking Start Epoch
0

Staking Start Time
0

Proof of Importance
0

Origination Score
0

Validation Score
0

Active
0

Online
0

Downtime
0 s
Address Amount claimed Rewards Created On Epoch Created On
Block Uncle Number Difficulty Gas Used Reward
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