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]
0x0d26cf2d9d0c74c18d6af100e2c96bf7225637bc4048071c746152c1001f2054Increase Allowan...196232362021-10-20 21:52:4216 hrs 5 mins ago0x5df037a0f6668372a947c7b4dfe3dcc24997bc57 IN  Fantom Finance: fBTC Token0 FTM0.006067999527
0x5bcce1d5e020ab2a8750d3fbf9f4090c01ba4d40d67343f171d1295dd9233cdcIncrease Allowan...196158042021-10-20 20:03:3417 hrs 54 mins ago0xc6ef36d3b4c5ea180b5c13a7c29764d454b4df7e IN  Fantom Finance: fBTC Token0 FTM0.004988515219
0xbf34b7a749c5ed1b9ba4016c75aabcffb221b5a9481e03e86f7ecc26fb49e769Increase Allowan...195583462021-10-20 4:05:541 day 9 hrs ago0x3551f38736cccce88cccc5d44ebc9a749e3fa4ee IN  Fantom Finance: fBTC Token0 FTM0.007093336269
0x8ab3ee1440d7cd57326047e1769f13890f2dd2bf707f8d750df5c6ae5f0b8bc7Increase Allowan...195319612021-10-19 20:49:311 day 17 hrs ago0xcf88beb4cb5319c8627b99e811576a3566fc7128 IN  Fantom Finance: fBTC Token0 FTM0.008340655806
0xe884c6482d9709c38e821940314f731efc6c5c1233c5a6e9ba9783b39ab9786cIncrease Allowan...195312942021-10-19 20:39:491 day 17 hrs ago0xcf88beb4cb5319c8627b99e811576a3566fc7128 IN  Fantom Finance: fBTC Token0 FTM0.00930613401
0x6e3e405af6eccdb3f064e96350c299c38b2fa72f0350d3d4568ca113f6850d9dIncrease Allowan...195311742021-10-19 20:38:071 day 17 hrs ago0xcf88beb4cb5319c8627b99e811576a3566fc7128 IN  Fantom Finance: fBTC Token0 FTM0.013834023875
0x13ffde6569a1481eae1077112c7fec612ffcb8012377e1492cb5d0b1e6466e04Increase Allowan...195217112021-10-19 18:23:271 day 19 hrs ago0xe6b41d799dfaeee4d40460fe4f792b0abac2e4ec IN  Fantom Finance: fBTC Token0 FTM0.018170400018
0x1b33880076ee236caf9bb0cb39833a515560a8cabd6ec033a2100c9b854ca9d9Increase Allowan...194737712021-10-19 4:40:212 days 9 hrs ago0xb7e83081da583ef150b65ea3359a904cd82d054c IN  Fantom Finance: fBTC Token0 FTM0.011436554472
0x402e629874e98d50559b6627593b093b4756277ad49e8214ebb61b23e5edd6a1Increase Allowan...192893102021-10-17 0:43:304 days 13 hrs ago0xf22ca71045d644116814a333f65b61d847c66d50 IN  Fantom Finance: fBTC Token0 FTM0.007716579537
0x0f47aa0d19e2bdd7c3dcba006d717910150687ff829292012b184826776f0adaIncrease Allowan...192781972021-10-16 21:46:174 days 16 hrs ago0xc4417ee91ec12a94cf8cbe5e8f19e7db84b8df4c IN  Fantom Finance: fBTC Token0 FTM0.00554508
0x433633cc02cc403d20340d44df26e161655e82273d1a5b6704e4fcc4ee7259dbApprove192745952021-10-16 20:46:144 days 17 hrs ago0x7cee21fd74cff3b91c1c7251b7a4294349a0da79 IN  Fantom Finance: fBTC Token0 FTM0.005990696271
0xd138564ddb31e80de5ecef636a9d76902f0e33986b38fe84fd99aaa709ba5fccIncrease Allowan...191592092021-10-15 12:48:106 days 1 hr ago0xeb8da59a6f921b3d7d51550e5513ed374443f899 IN  Fantom Finance: fBTC Token0 FTM0.00549364716
0x3c5dff3abce046c102eb9e314bbc5671b32fcff1766e34c26e525d0ecc16713eIncrease Allowan...191591592021-10-15 12:47:206 days 1 hr ago0xeb8da59a6f921b3d7d51550e5513ed374443f899 IN  Fantom Finance: fBTC Token0 FTM0.00813304716
0xc0bdc6b5dd55456945d8d3b90a6443ffff1e01fe3146c5cbf3a3ebe9f7de195dIncrease Allowan...190539512021-10-14 5:29:187 days 8 hrs ago0x3551f38736cccce88cccc5d44ebc9a749e3fa4ee IN  Fantom Finance: fBTC Token0 FTM0.006924443148
0x8597c2e699c0f1bb3d4f4b6d0a6ebe4cea52a6fc3c34de3a1f212a8ce6d35543Approve190122852021-10-13 17:44:447 days 20 hrs ago0xe2cd4bf94e8e802b43c422fa1ef8fe31fbbf3111 IN  Fantom Finance: fBTC Token0 FTM0.006613900733
0x2752c74193641b3e43c346822e05733684712f06f7f82b9ec5499196cc7a1b84Approve190109422021-10-13 17:23:347 days 20 hrs ago0xd7da246b1ba141bdbb97e85a4c4b43fdc1b970f6 IN  Fantom Finance: fBTC Token0 FTM0.006894531367
0xaa6618c087d9f838a39532e3e8b4e2b92d7c02d5c0fbe677d1b51025f1feb701Increase Allowan...190096772021-10-13 17:03:487 days 20 hrs ago0x63a3bb359ec36656b0d1c242099483110caac839 IN  Fantom Finance: fBTC Token0 FTM0.006517290418
0x1b1454c35d350603e5f3ab85fa3b896bacec2de21b3d86b9c55408c8a31f8b39Increase Allowan...190057702021-10-13 15:59:537 days 21 hrs ago0xe21e0ab0c0add7c75fcec03ab1e150a403358795 IN  Fantom Finance: fBTC Token0 FTM0.00479637389
0xe8c097cd6c77cf72bf3eceecf11a015412b356f20becee58645e10ae966a479cApprove189975272021-10-13 13:39:488 days 18 mins ago0xc55478023f05d852cb69896e718dce7932cc9a6a IN  Fantom Finance: fBTC Token0 FTM0.007150619503
0x65b98d8c383b97f09a634821e34bced397b855da11e220feb754ce012d260e88Increase Allowan...189428122021-10-12 20:26:388 days 17 hrs ago0x3551f38736cccce88cccc5d44ebc9a749e3fa4ee IN  Fantom Finance: fBTC Token0 FTM0.01250925144
0xf90cb4b10e6eacdc959501913d627c6370f4e050b563047449707192a8f3c2d8Approve189148222021-10-12 12:58:239 days 59 mins ago0x1809f0234302e2b5dfb192832afded04d6616052 IN  Fantom Finance: fBTC Token0 FTM0.013206656401
0x3e79092eb815df025780c2c124983e07464ce303a057f7f35db06735518cfa93Increase Allowan...189036582021-10-12 9:22:009 days 4 hrs ago0x5972f082c67ccacd1ac529cee49c83cfc879a6ef IN  Fantom Finance: fBTC Token0 FTM0.005304225463
0x08274ac1fb4787444362ff23b9dd4fc074400ab0baf9fa24ec0ee3daca72160eIncrease Allowan...189019292021-10-12 8:51:449 days 5 hrs ago0x5972f082c67ccacd1ac529cee49c83cfc879a6ef IN  Fantom Finance: fBTC Token0 FTM0.007855637962
0xc46094253a31455d4c2233758073135b1f2607f1a7540f6a45cac1374fae6568Increase Allowan...188650392021-10-11 21:54:029 days 16 hrs ago0x47a3c52b1448f3748f6bf4343baf6a39a671a5f1 IN  Fantom Finance: fBTC Token0 FTM0.017290055524
0x5bec5de8fc538b0d14cc90e15854947f8d3d79a4536fd58c2219e46e04f9de13Increase Allowan...187855092021-10-10 22:26:5310 days 15 hrs ago0x98996f6a939a3969de9e5a7b6a15be80fef6b49b IN  Fantom Finance: fBTC Token0 FTM0.01969118135
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0x508fce375e5b7ac9bcb56d8df0a93a93cfddc7f33871b6dc3c8b869ad638b37a14129642020-12-09 22:45:01315 days 15 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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