Is Beat Token (BEAT) Safe? Smart Contract Security Analysis

Security Findings

1 Low3 Info

Low

Lack of Public Burn Mechanism

L-01The `Beat` token contract does not expose a public function to allow token holders or the contract owner to burn tokens. While an internal `_burn` function exists in the inherited `ERC20` contract, it is not callable externally. This limits the flexibility of supply management, as tokens can only be minted (up to `MAX_SUPPLY` before ownership renunciation) and transferred, but never permanently removed from circulation.

IssueThe `Beat` token contract does not expose a public function to allow token holders or the contract owner to burn tokens. While an internal `_burn` function exists in the inherited `ERC20` contract, it is not callable externally. This limits the flexibility of supply management, as tokens can only be minted (up to `MAX_SUPPLY` before ownership renunciation) and transferred, but never permanently removed from circulation.

FixConsider adding an `onlyOwner` or public `burn` function if future supply reduction mechanisms are desired. Document the current fixed supply policy clearly.

StatusUnresolved

Info

Redundant SafeMath Library Usage

I-01The `Beat.sol` contract imports and uses the `SafeMath` library. However, the contract is compiled with Solidity `^0.8.0`, which includes built-in overflow and underflow checks for all arithmetic operations by default. Explicitly using `SafeMath` for `uint256` operations is redundant and adds unnecessary code complexity without providing additional security benefits in this Solidity version.

IssueThe `Beat.sol` contract imports and uses the `SafeMath` library. However, the contract is compiled with Solidity `^0.8.0`, which includes built-in overflow and underflow checks for all arithmetic operations by default. Explicitly using `SafeMath` for `uint256` operations is redundant and adds unnecessary code complexity without providing additional security benefits in this Solidity version.

FixRemove the `SafeMath.sol` import and the `using SafeMath for uint256;` statement. Rely on Solidity 0.8.0's native overflow/underflow protection.

StatusUnresolved

Info

Centralized Initial Token Supply

I-02The `Beat` token contract includes an `onlyOwner` `mint` function, allowing the deployer to mint tokens up to a `MAX_SUPPLY` of 1 billion tokens. While the provided information indicates that ownership has been renounced, implying the `mint` function is no longer callable, the initial distribution of tokens (if any occurred before renunciation) was entirely at the discretion of the contract owner. This represents a centralized point of control for the initial token supply.

IssueThe `Beat` token contract includes an `onlyOwner` `mint` function, allowing the deployer to mint tokens up to a `MAX_SUPPLY` of 1 billion tokens. While the provided information indicates that ownership has been renounced, implying the `mint` function is no longer callable, the initial distribution of tokens (if any occurred before renunciation) was entirely at the discretion of the contract owner. This represents a centralized point of control for the initial token supply.

FixFor future projects, consider implementing decentralized distribution mechanisms or transparent vesting schedules to reduce reliance on a single entity for initial token allocation.

StatusUnresolved

Info

Unchecked Arithmetic Blocks

I-03The `ERC20.sol` contract utilizes `unchecked` blocks in the `transferFrom`, `decreaseAllowance`, and `_burn` functions. While these `unchecked` blocks are preceded by `require` statements that ensure the safety of the arithmetic operations (e.g., `currentAllowance >= amount`), their explicit use can be confusing. In Solidity 0.8.0+, arithmetic operations revert on overflow/underflow by default, making `unchecked` blocks only necessary when intentionally allowing such behavior.

IssueThe `ERC20.sol` contract utilizes `unchecked` blocks in the `transferFrom`, `decreaseAllowance`, and `_burn` functions. While these `unchecked` blocks are preceded by `require` statements that ensure the safety of the arithmetic operations (e.g., `currentAllowance >= amount`), their explicit use can be confusing. In Solidity 0.8.0+, arithmetic operations revert on overflow/underflow by default, making `unchecked` blocks only necessary when intentionally allowing such behavior.

FixReview the necessity of `unchecked` blocks. If the preceding `require` statements guarantee safety, the `unchecked` blocks can be removed, relying on the default 0.8.0 behavior for clarity, or retained if the intent is to explicitly optimize gas by skipping redundant checks. Ensure thorough documentation of the rationale if retained.

StatusUnresolved

Category Ratings

TechnicalLow8/10

The technical architecture is straightforward, implementing a standard ERC20 token with an `Ownable` pattern (7.1 Architecture). The code benefits from Solidity 0.8.0's built-in arithmetic safety checks. However, the explicit use of the `SafeMath` library is redundant given the compiler version (7.2 Code Security). Additionally, some `unchecked` blocks are used in `ERC20.sol`, though they are appropriately guarded by `require` statements (7.2 Code Security).

GovernanceLow7/10

The economic model is based on a fixed maximum supply of 1 billion tokens, with an owner-controlled minting function (7.4 Economic). Crucially, the provided deployment information indicates that ownership has been renounced, which effectively disables further minting and fixes the total supply (7.5 Governance). The absence of a public burn function means the token supply cannot be reduced post-renunciation (7.4 Economic).

UpgradesMedium5/10

The contract is not designed with an upgradeability pattern (7.7 Upgrades). This means its logic is immutable once deployed, providing certainty but preventing future modifications or bug fixes without a new deployment and migration. This design choice inherently carries a low risk for upgrade-related issues.

Security Checklist

3/5 checks passed

Contract VerifiedPass

Ownership RenouncedPass

No Mint FunctionFail

Liquidity LockedFail

Not a ProxyPass

Holder Composition

57.4% in top 10

10.7% in wallets46.7% in contracts

Effective Concentration29.4%

Share held by contracts — treasury, vesting, bridge or staking — is discounted against share held by wallets when the score is computed: a contract cannot decide to sell the way an anonymous holder can, though it can still be drained or voted to sell. Effective concentration is the figure the risk score is actually calculated from.

Liquidity Depth

$86.1K across 6 pairs

UniswapUSDTanalysed$69.9K UniswapLUCKY$14.0K Pancakeswap v2WBNB$1.6K UniswapUSDT$507 Pancakeswap v3USDT$84 Pancakeswap v3JPF$12

The risk score reads depth across every pair. The volume figure and the volume-to-liquidity ratio elsewhere on this page describe only the pair this audit analysed, so the two are not directly comparable.

Key Addresses

1 addresses

Deployer

0x2e2b…a04e

What Raised This Score

4 factors

Mintable supply — no cap found, dilution unbounded
Top-10 concentration > 20% (57.4% total → 29.4% effective; 10.7% in EOAs, 46.7% in contracts — mild)
Liquidity NOT locked (owner can withdraw — rug-pull risk)
1 Low finding(s) from audit

Each factor is an on-chain fact recorded at the time of this analysis. The score is computed from them by a deterministic function, so the same contract returns the same score for anyone who runs the audit. How scores are computed

Is Beat Token Safe?

Security Findings

Lack of Public Burn Mechanism

Redundant SafeMath Library Usage

Centralized Initial Token Supply

Unchecked Arithmetic Blocks

Category Ratings

Security Checklist

Holder Composition

Liquidity Depth

Key Addresses

What Raised This Score

Related Audits

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