Yachtify Info

Yachtify Protocol offers a fractional private yacht ownership model that provides investors with a unique opportunity to be a part of a recession-proof maritime industry with multiple streams of income. By doing so, we're opening up the exclusive aviation market of the rich and powerful to cryptocurrency users. With our native token, $YCHT, investors can purchase fractional NFTs that represent a physical yacht. These yachts are insured and stored in high-security ports around the world, and existing yacht owners can list a minimum of 25% of their private yachts for fractional sale. Members can also trade yacht hour smart NFTs that decrease as the hours are used.

Yachtify Logo

TrustNet Score

The TrustNet Score evaluates crypto projects based on audit results, security, KYC verification, and social media presence. This score offers a quick, transparent view of a project's credibility, helping users make informed decisions in the Web3 space.

77.93
PoorExcellent

Real-Time Threat Detection

Real-time threat detection, powered by Cyvers.io, is currently not activated for this project.

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TrustNet DataPulse

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We are presently engaged in detailed discussions with our partners to finalize the arrangements. Information regarding presales will be made available on this platform in the near future. We appreciate your patience and look forward to sharing the upcoming opportunities with you soon!

We are currently in discussions with our partners to finalize the details. Information on token locking and vesting schedules will be provided on this platform soon. We appreciate your patience and look forward to sharing these upcoming opportunities with you shortly.

In the meantime, we’ve already integrated the LP lock overview from UNCX.network. Please visit the CEX/DEX tab for more information.

Security Assessments

Static AnalysisDynamic AnalysisSymbolic ExecutionSWC CheckManual Review
Contract address
0x4e42...0e81
Network
Ethereum - Mainnet
License N/A
Compiler N/A
Type N/A
Language Solidity
Onboard date 2023/04/10
Revision date In progress

Summary and Final Words

No crucial issues found

The contract does not contain issues of high or medium criticality. This means that no known vulnerabilities were found in the source code.

Contract owner cannot mint

It is not possible to mint new tokens.

Contract owner cannot blacklist addresses.

It is not possible to lock user funds by blacklisting addresses.

Contract owner cannot set high fees

The fees, if applicable, can be a maximum of 25% or lower. The contract can therefore not be locked. Please take a look in the comment section for more details.

Token transfer can be locked

Owner can lock user funds with owner functions.

Token cannot be burned

There is no burn function within the contract.

Ownership is not renounced

Contract can be manipulated by owner functions.

Scope of Work

This audit encompasses the evaluation of the files listed below, each verified with a SHA-1 Hash. The team referenced above has provided the necessary files for assessment.

The auditing process consists of the following systematic steps:

  1. Specification Review: Analyze the provided specifications, source code, and instructions to fully understand the smart contract's size, scope, and functionality.
  2. Manual Code Examination: Conduct a thorough line-by-line review of the source code to identify potential vulnerabilities and areas for improvement.
  3. Specification Alignment: Ensure that the code accurately implements the provided specifications and intended functionalities.
  4. Test Coverage Assessment: Evaluate the extent and effectiveness of test cases in covering the codebase, identifying any gaps in testing.
  5. Symbolic Execution: Analyze the smart contract to determine how various inputs affect execution paths, identifying potential edge cases and vulnerabilities.
  6. Best Practices Evaluation: Assess the smart contracts against established industry and academic best practices to enhance efficiency, maintainability, and security.
  7. Actionable Recommendations: Provide detailed, specific, and actionable steps to secure and optimize the smart contracts.

A file with a different Hash has been intentionally or otherwise modified after the security review. A different Hash may indicate a changed condition or potential vulnerability that was not within the scope of this review.

Final Words

The following provides a concise summary of the audit report, accompanied by insightful comments from the auditor. This overview captures the key findings and observations, offering valuable context and clarity.


Ownership Privileges
  • Set charity address
  • Set/Change the number of tokens to sell in order to add liquidity to any arbitrary value
  • Enable/Disable swap and liquify
  • Include/Exclude wallets from fees
  • Set max transaction limit to any arbitrary value including zero and lock user funds
  • Withdraw tokens and ETH from the contract but not the native ones

Note - This Audit report consists of a security analysis of the Yachtify smart contract. This analysis did not include functional testing (or unit testing) of the contract’s logic. We recommend everyone to do their own research. Please beware that the liquidity of the contract is credited to the owner wallet which is controllable by the owner, in an extreme scenario, the owner will be able to drain liquidity. Moreover, we only audited one token contract for the Yachtify team, other contracts associated with the project are not audited by our team.

Files and details

Functions
public

/

State variables
public

/

Total lines
of code

/

Capabilities
Hover on items

/

Findings and Audit result

medium Issues | 1 findings

Pending

#1 medium Issue
Liquidity will be transferred to an EOA
Yachtify.sol
L683
Description

Every time the swap and liquify function is called in the contract, the liquidity will be credited to the "owner" address which is not recommended because in this case, the liquidity receiver address is controllable by the owner.

low Issues | 3 findings

Pending

#1 low Issue
Missing Events Arithmetic (events-maths)
Yachtify.sol
L512-515
L525-528
L627-635
L637-645
Description

Emit an event for critical parameter changes.

Pending

#2 low Issue
Missing Zero Address Validation (missing-zero-check)
Yachtify.sol
L500
Description

Check that the address is not zero.

Pending

#3 low Issue
State variables shadowing (shadowing-state)
Yachtify.sol
L444
Description

Remove the state variable shadowing.

optimization Issues | 1 findings

Pending

#1 optimization Issue
Public function that could be declared external (external-function)
Yachtify.sol
L98-101
L107-111
L126-128
L129-131
L132-134
L469-471
L475-478
L479-481
L482-485
L486-490
L491-494
L495-498
L507-510
L516-518
L520-522
L627-635
L637-645
Description

Use the `external` attribute for functions never called from the contract.

informational Issues | 3 findings

Pending

#1 informational Issue
Functions that are not used (dead-code)
Yachtify.sol
L140-146
L167-178
L161-166
L153-155
L157-159
Description

Remove unused functions.

Pending

#2 informational Issue
Function initializing state variables (function-init-state)
Yachtify.sol
L411
L416
Description

Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Pending

#3 informational Issue
Unused return values (unused-return)
Yachtify.sol
L672-687
Description

Ensure that all the return values of the function calls are used.