The FourERC20 contract implements a standard ERC-20 token, largely based on OpenZeppelin's battle-tested libraries. It provides core token functionalities like transfers, allowances, and balance tracking. The contract itself does not include public minting or burning mechanisms, implying a fixed supply unless extended by a derived contract. The overall security posture is strong due to adherence to established standards and robust OpenZeppelin implementations.

On-chain security analysis — is it a scam or legit?
Is TCryptochicks Safe?
Not verified
This record has not gone through deep verification and is not being monitored. The score is a dated snapshot — the token’s risk can change at any time.Own this token? Put it under verification →The FourERC20 contract implements a standard ERC-20 token, largely based on OpenZeppelin's battle-tested libraries.
Read the full analysis- Top-10 concentration > 50%
- Token age < 30 days
- 1 Low finding(s) from audit
Exact factors
- Top-10 concentration > 50% (70.2% total → 59.5% effective; 52.3% in EOAs, 17.9% in contracts — heavy)
- Token age < 30 days (still settling)
- 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
Security Checklist
as of audit · Sep 4Holders
as of audit · Sep 4, 2026- Contractstreasury, vesting, bridge, staking17.9%
- Walletsanonymous holders, free to sell52.3%
- Everyone elsethe rest of the supply29.8%
How holder types affect the score
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.
Holder balances as recorded by the audit of Sep 4, 2026
Liquidity
as of audit · Sep 4The risk score reads depth across every pair.
The LP tokens of the analysed pool are locked or burned.
0x4f0f…328dNo privileged address appears among these holders: the unlocked liquidity sits with independent providers, not with the deployer.
Security Findings
LowPotential Centralization Risk in Derived Supply Control
While FourERC20 itself does not implement public supply mechanisms, any derived contract that adds public _mint or _burn functionality typically assigns control over these functions to a single owner or a small set of privileged addresses. This introduces a point of centralization (7.3 Access Control) where a single entity could inflate or deflate the token supply, potentially impacting its economic stability (7.4 Economic). This is a common design pattern but carries inherent risks if not managed with robust access control.L-01
Issue
While FourERC20 itself does not implement public supply mechanisms, any derived contract that adds public _mint or _burn functionality typically assigns control over these functions to a single owner or a small set of privileged addresses. This introduces a point of centralization (7.3 Access Control) where a single entity could inflate or deflate the token supply, potentially impacting its economic stability (7.4 Economic). This is a common design pattern but carries inherent risks if not managed with robust access control.
Fix
If a derived contract implements minting/burning, consider using a multi-signature wallet or a decentralized governance mechanism to control these sensitive functions. Implement time-locks for critical operations to provide a window for community review and reaction. Clearly communicate the ownership and control mechanisms to the community.
Status
Unresolved
InfoAbstract ERC20 Implementation Lacks Public Supply Control
The FourERC20 contract provides a foundational ERC20 implementation but does not expose public functions for minting (_mint) or burning (_burn) tokens. These functions are internal, meaning that if this contract is deployed directly without a derived contract adding public interfaces for supply management, the token's total supply would be fixed at deployment (e.g., via a constructor) and could not be altered afterward. This is an architectural design choice, not a vulnerability, but it's crucial for deployers to understand its implications regarding supply management and future tokenomics.I-01
Issue
The FourERC20 contract provides a foundational ERC20 implementation but does not expose public functions for minting (_mint) or burning (_burn) tokens. These functions are internal, meaning that if this contract is deployed directly without a derived contract adding public interfaces for supply management, the token's total supply would be fixed at deployment (e.g., via a constructor) and could not be altered afterward. This is an architectural design choice, not a vulnerability, but it's crucial for deployers to understand its implications regarding supply management and future tokenomics.
Fix
Deployers should be aware that this contract, as-is, creates a fixed-supply token. If dynamic supply management (minting/burning) is required, a separate contract inheriting FourERC20 must be developed to implement and secure these functionalities. Clearly document the intended supply mechanism for users and integrators.
Status
Unresolved
InfoStrong Reliance on OpenZeppelin Standards
The contract leverages well-audited and widely adopted OpenZeppelin Contracts for its core ERC20 logic, including Context, IERC20, and IERC20Metadata. This significantly reduces the likelihood of common vulnerabilities such as reentrancy, integer overflows (due to Solidity 0.8+ and careful use of unchecked), and standard ERC20 compliance issues. The inclusion of increaseAllowance and decreaseAllowance also mitigates known front-running risks associated with the standard approve function. This is a best practice and a strength of the implementation.I-02
Issue
The contract leverages well-audited and widely adopted OpenZeppelin Contracts for its core ERC20 logic, including Context, IERC20, and IERC20Metadata. This significantly reduces the likelihood of common vulnerabilities such as reentrancy, integer overflows (due to Solidity 0.8+ and careful use of unchecked), and standard ERC20 compliance issues. The inclusion of increaseAllowance and decreaseAllowance also mitigates known front-running risks associated with the standard approve function. This is a best practice and a strength of the implementation.
Fix
Continue to monitor OpenZeppelin's security advisories and updates, as any vulnerabilities discovered in the underlying libraries could potentially affect this contract. Ensure that the specific OpenZeppelin version used is up-to-date and free from known issues.
Status
Unresolved
Analysis
AI Copilotas of audit · Sep 4The technical implementation (7.2 Code Security) of the FourERC20 contract is robust, leveraging OpenZeppelin's well-audited ERC-20 standard. This includes built-in protections against common vulnerabilities like integer overflows/underflows (due to Solidity 0.8+ and careful use of unchecked in decreaseAllowance). The contract adheres to ERC-20 specifications, providing standard transfer, allowance, and balance functions. The inclusion of increaseAllowance and decreaseAllowance (7.3 Access Control) helps mitigate front-running risks associated with the standard approve function.
The FourERC20 contract (7.4 Economic) is designed as a foundational ERC-20 token without inherent public minting or burning capabilities. This implies a fixed token supply if deployed directly, which can contribute to economic predictability. However, if a derived contract implements supply control, the economic model would depend on the access control (7.3 Access Control) of those functions, potentially introducing centralization risk. There are no explicit governance mechanisms (7.5 Governance) within this contract, simplifying its operational model.
Based on the provided information, the contract is not deployed as a proxy (7.7 Upgrades) and is not designed to be upgradeable. This eliminates upgrade-related risks such as storage collisions, logic errors during upgrades, or unauthorized upgrade paths. The immutability of the deployed contract ensures consistent behavior over its lifetime.
It is recommended to thoroughly review the deployment strategy for the FourERC20 token, especially concerning how its total supply will be managed.
If a dynamic supply is desired, ensure that any derived contract implementing minting/burning functions has robust access control and multi-signature safeguards. For any integrations, always verify the token's address and ensure interactions are with the intended contract.
Contract & Record
Free for any token on the record. It links to this page and always shows the current score and the date it was checked.
- Jul 23, 20260Low
- Jul 22, 202651Medium
Score changes are recorded as dated snapshots — history is append-only and cannot be edited.
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