HILO Token Info

HILO Dapp introduces a simple and easy binary options prediction market for tokens on the Ethereum network. Powered by the $HILO token, users can predict specific cryptocurrencies' price action to go higher or lower in a selected timeframe. Users place their vote (Higher or Lower) and lock $HILO tokens on their vote to have the chance to win the prediction pool prize allocation based on their entry size. HILO Dapp has a complete on-chain structure with full transparency. Showing all entries, winners, and burnt $HILO on the Etherscan explorer. HILO Dapp business model works in a commission-based profits structure from binary options deposits. Regular Burning $HILO from deposits commissions and closed draw rounds.

Overall Score
75.00
Poor Excellent
HILO Token Logo

Real-Time Threat Detection

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

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On-Chain Insights

Smart Contract Audit

Static Analysis Dynamic Analysis Symbolic Execution SWC Check Manual Review
Contract address
0xbb9F...5ff6
Network
Ethereum - Mainnet
License N/A
Compiler N/A
Type N/A
Language Solidity
Onboard date 2022/12/26
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.

Contract cannot be locked

Owner cannot lock any user funds.

Token cannot be burned

There is no burn function within the contract.

Ownership is renounced

Contract cannot 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:
  • Not Applicable now because the contract is renounced.

Files and details

Functions
public

/

State variables
public

/

Total lines
of code

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Capabilities
Hover on items

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Findings and Audit result

low Issues | 2 findings

Pending

#1 low Issue
Floating Pragma
new usdc ca.sol
-
Description

The current pragma Solidity directive is “^0.8.10". Contracts should be deployed with the same compiler version and flags that they have been tested thoroughly. Locking the pragma helps to ensure that contracts do not accidentally get deployed using other versions.

Pending

#2 low Issue
Missing Arithmetic Events
new usdc ca.sol
L807-955
Description

Emit Events for critical parameter changes in the contract