What is smart contracts security audit and why is it so important?

Paulina Lewandowska

10 Jan 2023
What is smart contracts security audit and why is it so important?

Introduction

You've probably heard of "security audits" if you've ever used a smart contract. Because a blockchain-based system is only as safe as its weakest link, it's crucial for smart contract developers to conduct routine security audits to make sure that their systems are not exposed to threats or flaws that could reveal confidential data. It's critical for developers to comprehend potential security concerns with smart contracts and how to address them to give users a satisfying user experience. Security audits are a key step in the process whether you're creating your own blockchain platform or adding smart contracts to an existing one.

Smart contract security audits

With the terms of the agreement written directly into lines of code, a smart contract is a self-executing contract. Blockchain technology, a decentralized system that securely and openly records transactions, frequently uses them. A comprehensive assessment of the security and dependability of a smart contract is called a smart contract security audit.

A smart contract security audit involves experts examining the code for flaws and making sure the contract works as intended. This procedure is crucial because it aids in identifying any potential contract problems, ensuring that the contract will function properly and securely when applied in practical circumstances. Developers and users can trust that the contract is trustworthy and reliable by conducting a smart contract security audit.

Reasons for smart contract audit

Before creating a smart contract, there are a number of factors to take into account. The primary goal is to guarantee your smart contract's functioning, security, and interoperability with other contracts. A smart contract audit has a number of special advantages, including:

  • Identifying and fixing any bugs or vulnerabilities in the code
  • Ensuring the security of the smart contract and protecting against potential attacks
  • Verifying that the smart contract will function as intended and not cause any unintended consequences or malfunctions.

By conducting a thorough security audit, you can have confidence in the integrity and reliability of your smart contract.

There are three main types of smart contract audits: manual, automated, and hybrid.

  • A manual audit involves a human expert manually reviewing the code and identifying any potential vulnerabilities or weaknesses. This type of audit can be time-consuming but is often considered the most thorough option.
  • An automated audit uses software tools to scan the code for potential issues. While automated audits can be faster than manual audits, they may not catch all potential vulnerabilities.
  • A hybrid audit combines both manual and automated approaches, providing a balance between thoroughness and efficiency. By using both human expertise and automated tools, a hybrid audit can provide a comprehensive assessment of the smart contract's security and functionality.

Ultimately, the type of audit you choose will depend on your specific needs and resources.

Steps involved in a smart contract audit

  • Code review: The auditor thoroughly examines the code during this stage to find any potential problems or weaknesses.
  • Static analysis: The auditor conducts a static analysis of the code using a variety of tools to search for errors and security flaws.
  • Dynamic analysis: To assess the smart contract's performance and check that it performs as intended, the auditor runs tests on it.
  • Testing: To find any mistakes that might occur during execution, the auditor tests the smart contract using a variety of tools under actual business settings.

These stages will enable the auditor to offer a thorough evaluation of the security, usability, and overall effectiveness of the smart contract

Smart contract audit checklist

To ensure the security and dependability of the contract, it's crucial to take a number of variables into account when conducting a smart contract audit. Here are some crucial factors to bear in mind during the audit process:

  • Common errors: The auditor will look for any harmful code or defects that could allow attackers to modify the terms of the smart contract code and obtain money or information.
  • Known vulnerabilities: The auditor will look for any flaws in the Ethereum platform that have been publicly disclosed and which could result in security breaches or other problems with the smart contract code.
  • Exploits that might be used: The auditor will assess whether there are any feasible methods that a hacker might use the smart contract system to his advantage and possibly steal money.

Importance of auditing a smart contract

Although smart contracts are a ground-breaking technology, they must be properly tested and confirmed before being utilized in the real world because, like any software, they are not flawless. The value of security testing is becoming increasingly clear as the use of smart contracts increases. Working with an expert auditor who is familiar with the nuances of smart contracts and who can see any potential weaknesses or vulnerabilities is crucial for this reason. You can be sure that your smart contract is secure and reliable and eliminate any future risks or problems by completing a thorough audit.

You may find a more in-depth article on this subject that Nextrope has already published here.

Conclusion

In conclusion, security audits of smart contracts are an essential component of blockchain development. They aid programmers in making sure their code is safe, capable of withstanding attacks during periods of high traffic, and scalable enough to meet demand over time. You and your team can find any possible problems and fix them before they have an impact on usability and perhaps turn away clients by routinely inspecting any new applications before release. Security audits of smart contracts are crucial to preserving your platform's dependability and integrity.

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Master UI Component Creation with AI: The Ultimate Guide for Developers

Gracjan Prusik

24 Mar 2025
Master UI Component Creation with AI: The Ultimate Guide for Developers

Introduction

Modern frontend development is evolving rapidly, and creating UI components with AI tools is helping developers save time while enhancing interface quality. With AI, we can not only speed up the creation of UI components but also improve their quality, optimize styles, and ensure better accessibility.

This article explores how creating UI components with AI is transforming frontend development by saving time and improving workflows. Specifically, we will discuss:

  • Generating components from images,
  • AI for style analysis and optimization,
  • Automatic style conversion and code migration,
  • AI in generating UI animations.

Creating UI Components with AI from Images

One of the interesting applications of AI in frontend development is the ability to generate components from an image. AI can recognize the structure of the interface and generate HTML/CSS or JSX code that matches the provided image. One of the most popular tools for UI creation is Lovable.

For testing, let's see how the tool performs in creating a simple contact form from the page you are currently on, which is Nextrope.

Query:

"Recreate the image I've sent you in Next.js using CSS."

Sample image used in the query:

The result received:

Tworzenie komponentów UI - Wygenerowany widok

Lovable did an excellent job transforming the image into code. The view is fully responsive. It’s important to remember that the more precise the request, the better the AI will replicate the expected view. However, even with a simple command, the tool performed surprisingly well.

Of course, AI has its limitations. It still makes quite a few mistakes. The generated code still requires review and fixes from the developer, but in some cases, the entire process is significantly sped up—correcting the code often takes less time than creating the component from scratch.

Optimizing UI Components with AI Tools for Style Improvements

This problem of inaccurate code reproduction by AI can be partially addressed by using it to analyze and improve styles. Tools like ChatGPT, DeepSeek and Claude are capable of not only generating code but also diagnosing CSS errors and suggesting why a particular style might not be working as expected.

Simple example: Why is the div not centered?

Query: "Why is this div not centered?"

AI analyzes the code and provides the following response:

Problem: The parent container does not have a defined width or display: flex.
Solution: Add the appropriate styles to the parent container.

.parent {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
}

AI for Automatic Style Conversion and Code Migration in UI Components

AI can assist with style conversion between different technologies, such as transferring code from traditional CSS to Styled Components or Tailwind CSS.

Let's assume we have a style written in traditional CSS:

.button {
  background-color: blue;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.button:hover {
  background-color: darkblue;
}

We can use AI for automatic conversion to Styled Components:

import styled from "styled-components";

const Button = styled.button`
  background-color: blue;
  color: white;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background-color 0.3s ease;

  &:hover {
    background-color: darkblue;
  }
`;

export default Button;

AI can also assist in migrating code between frameworks, such as from React to Vue or from CSS to Tailwind.

This makes style migration easier and faster.

How AI Enhances UI Animation Creation

Animations are crucial for enhancing user experience in interfaces, but they are not always provided in the project specification. In such cases, developers have to come up with how the animations should look, which can be time-consuming and require significant creativity. AI, in this context, becomes helpful because it can automatically generate CSS animations or animations using libraries like Framer Motion, saving both time and effort.

Example: Automatically Generated Button Animation

Suppose we need to add a subtle scaling animation to a button but don't have a ready-made animation design. Instead of creating it from scratch, AI can generate the code that meets our needs.

Code generated by AI:

import { motion } from "framer-motion";

const AnimatedButton = () => (
  <motion.button
    whileHover={{ scale: 1.1 }}
    whileTap={{ scale: 0.9 }}
    className="bg-blue-500 text-white px-4 py-2 rounded-lg"
  >
    Press me
  </motion.button>
);

In this way, AI accelerates the animation creation process, providing developers with a simple and quick option to achieve the desired effect without the need to manually design animations from scratch.

Summary

AI significantly accelerates the creation of UI components. We can generate ready-made components from images, optimize styles, transform code between technologies, and create animations in just a few seconds. Tools like ChatGPT, DeepSeek, Claude and Lovable are a huge help for frontend developers, enabling faster and more efficient work.

In the next part of the series, we will take a look at:

If you want to learn more about how AI is impacting the entire automation of frontend processes and changing the role of developers, check out our blog article: AI in Frontend Automation – How It's Changing the Developer's Job?

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AI in Real Estate: How Does It Support the Housing Market?

Miłosz Mach

18 Mar 2025
AI in Real Estate: How Does It Support the Housing Market?

The digital transformation is reshaping numerous sectors of the economy, and real estate is no exception. By 2025, AI will no longer be a mere gadget but a powerful tool that facilitates customer interactions, streamlines decision-making processes, and optimizes sales operations. Simultaneously, blockchain technology ensures security, transparency, and scalability in transactions. With this article, we launch a series of publications exploring AI in business, focusing today on the application of artificial intelligence within the real estate industry.

AI vs. Tradition: Key Implementations of AI in Real Estate

Designing, selling, and managing properties—traditional methods are increasingly giving way to data-driven decision-making.

Breakthroughs in Customer Service

AI-powered chatbots and virtual assistants are revolutionizing how companies interact with their customers. These tools handle hundreds of inquiries simultaneously, personalize offers, and guide clients through the purchasing process. Implementing AI agents can lead to higher-quality leads for developers and automate responses to most standard customer queries. However, technical challenges in deploying such systems include:

  • Integration with existing real estate databases: Chatbots must have access to up-to-date listings, prices, and availability.
  • Personalization of communication: Systems must adapt their interactions to individual customer needs.
  • Management of industry-specific knowledge: Chatbots require specialized expertise about local real estate markets.

Advanced Data Analysis

Cognitive AI systems utilize deep learning to analyze complex relationships within the real estate market, such as macroeconomic trends, local zoning plans, and user behavior on social media platforms. Deploying such solutions necessitates:

  • Collecting high-quality historical data.
  • Building infrastructure for real-time data processing.
  • Developing appropriate machine learning models.
  • Continuously monitoring and updating models based on new data.

Intelligent Design

Generative artificial intelligence is revolutionizing architectural design. These advanced algorithms can produce dozens of building design variants that account for site constraints, legal requirements, energy efficiency considerations, and aesthetic preferences.

Optimizing Building Energy Efficiency

Smart building management systems (BMS) leverage AI to optimize energy consumption while maintaining resident comfort. Reinforcement learning algorithms analyze data from temperature, humidity, and air quality sensors to adjust heating, cooling, and ventilation parameters effectively.

Integration of AI with Blockchain in Real Estate

The convergence of AI with blockchain technology opens up new possibilities for the real estate sector. Blockchain is a distributed database where information is stored in immutable "blocks." It ensures transaction security and data transparency while AI analyzes these data points to derive actionable insights. In practice, this means that ownership histories, all transactions, and property modifications are recorded in an unalterable format, with AI aiding in interpreting these records and informing decision-making processes.

AI has the potential to bring significant value to the real estate sector—estimated between $110 billion and $180 billion by experts at McKinsey & Company.

Key development directions over the coming years include:

  • Autonomous negotiation systems: AI agents equipped with game theory strategies capable of conducting complex negotiations.
  • AI in urban planning: Algorithms designed to plan city development and optimize spatial allocation.
  • Property tokenization: Leveraging blockchain technology to divide properties into digital tokens that enable fractional investment opportunities.

Conclusion

For companies today, the question is no longer "if" but "how" to implement AI to maximize benefits and enhance competitiveness. A strategic approach begins with identifying specific business challenges followed by selecting appropriate technologies.

What values could AI potentially bring to your organization?
  • Reduction of operational costs through automation
  • Enhanced customer experience and shorter transaction times
  • Increased accuracy in forecasts and valuations, minimizing business risks
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Want to implement AI in your real estate business?

Nextrope specializes in implementing AI and blockchain solutions tailored to specific business needs. Our expertise allows us to:

  • Create intelligent chatbots that serve customers 24/7
  • Implement analytical systems for property valuation
  • Build secure blockchain solutions for real estate transactions
Schedule a free consultation

Or check out other articles from the "AI in Business" series