How to Become Blockchain Security Engineer?
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How to Become a Blockchain Security Engineer?

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Blockchain technology has become a widely-discussed topic in various industries, particularly in the realm of digital transformation. The applications of blockchain technology have permeated diverse sectors, with notable examples such as DeFi and NFT gaining traction in various industries. However, alongside the proliferation of blockchain technology, the risks associated with blockchain security have also emerged as significant concerns for users.

If you aspire to become a blockchain security engineer and make a difference in blockchain security issues, this guide will help you navigate the path to achieving your career goals. Let’s explore the essential points required to become a blockchain security engineer.

What Are the Security Concerns in Blockchain?

Blockchain has gained prominence as a technology trend, offering innovative use cases across different industries. Distributed ledger technology provides a unique approach to recording transactions, whether they involve value or information. However, it’s important to acknowledge that blockchain is not impervious to security breaches. While the assurance of cryptographic security is present, it doesn’t necessarily guarantee complete safety for your data on blockchain networks. Common types of attacks in blockchain include privacy concerns, malware, phishing, 51% attacks, and lapses in regulatory compliance.

The demand for blockchain security professionals has been on the rise as security attacks on web3 and blockchain-based systems continue to increase. In the first quarter of 2023 alone, rug pull scams and web3 attacks resulted in losses amounting to $295 million. One of the most prominent hacking incidents in the blockchain space involved Binance, which lost over $40 million in cryptocurrency theft.

The growing frequency of security attacks in blockchain and web3 has also had a significant impact on the DeFi sector. Currently, candidates with blockchain security certification can find promising career development opportunities. To put things into perspective, web3 security incidents caused a staggering loss of approximately $3.6 billion in 2022. To gain detailed insights into the state of blockchain security, continue reading.

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Who is a Blockchain Security Engineer?

A blockchain security engineer is a professional responsible for ensuring the security of blockchain-based solutions. Their role involves working closely with blockchain developers and auditing the code they create. Blockchain security engineers focus on securing products such as dApps, smart contracts, and protocols. Collaboration with senior developers, project leads, and researchers is also an integral part of their work. The ultimate objective of blockchain security engineers is to strengthen the security of high-value blockchain solutions across various ecosystems. They are tasked with introducing new features while ensuring safeguards for both on-chain and off-chain logic. Additionally, blockchain security engineers develop internal and external tooling for secure smart contract programming.

Become Blockchain Security Engineer
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Responsibilities of a Blockchain Security Engineer

To understand the path to becoming a blockchain security engineer, it is crucial to consider the responsibilities associated with this role. Here is an overview of the key responsibilities:

  • Evaluate smart contracts used in creating cryptocurrencies, blockchain protocols, and decentralized technologies.
  • Implement internal and external security assessments for blockchain systems.
  • Engage in routine security checks, such as risk assessment and threat modeling.
  • Design, develop, and support open-source blockchain projects featuring security solutions.
  • Support projects in scalability, management, and training of other engineers within the organization and the broader blockchain community.
  • Participate in new blockchain engineer course programs on security and bug bounty programs for verifying and patching reported vulnerabilities.
  • Encourage web3 and blockchain projects to enhance their security.
  • Manage priorities in strengthening product security while adopting a strategic approach.
  • Create accurate and concise documentation to empower SDLC with secure practices.

Skills Required for Becoming a Blockchain Security Engineer

Understanding the role and responsibilities of a blockchain security engineer provides a clear picture of the career development prospects. Utilizing your blockchain engineer skills can lead to an average annual salary estimate of around $136,000. However, the benefits of a career as a blockchain security engineer come at a cost. You need to invest time and effort into acquiring the necessary skills to excel in your role. Here are some notable skills required for a blockchain security engineer:

  • Expertise in smart contract auditing across various programming languages, including Solidity or other languages.
  • In-depth knowledge of web3, cryptography, NFTs, DAOs, EVM, and DeFi protocols.
  • Proficiency in system reverse engineering for enhanced security.
  • Experience in programming languages such as Java, Rust, Python, C++, JavaScript, and others to review and develop secure code.
  • Expertise in security for container platforms and cloud environments.
  • Proficiency in running penetration tests, bug bounty programs, and other security tests.
  • Skills in data encryption, public key infrastructure, key management, tokenization, and ledgers.
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Steps to Become a Blockchain Security Engineer

To embark on the journey of becoming a blockchain security engineer, it’s important to follow an organized path and seek expert guidance. The steps outlined below will help you establish a career in blockchain security:

1. Understand the Industry and Define Your Objectives

The first vital step towards becoming a blockchain security expert is conducting thorough research. If you’re contemplating pursuing a blockchain certification or training program, invest time in understanding how it can benefit you. Additionally, consider the current state of blockchain security, including the different types of security threats prevalent in the industry.

Furthermore, explore the various career options available for blockchain security engineers. Understanding the available career paths will enable you to set clear objectives aligned with your skills and interests. Determine what you expect from your career as a blockchain security professional—whether it is working for a specific company or developing your own blockchain security protocols and solutions.

2. Begin with Fundamental Training

To kickstart your journey towards a career in blockchain security, start with fundamental training. Familiarize yourself with how blockchain works. Gain insights into the potential security risks that can affect blockchain. For instance, delve into understanding how smart contracts operate and identify potential vulnerabilities that may impact their functionality.

Moreover, grasp the fundamental concepts of blockchain technology, including existing security mechanisms and vulnerabilities. An example of such a mechanism is the shared responsibility model of blockchain security, wherein users must ensure their own security alongside the blockchain network. A solid foundation in fundamental concepts will set you up for success in the field of blockchain security.

3. Develop Programming Language Skills

Enhancing your programming language skills is paramount in developing your blockchain security expertise. Programming is an essential skill for blockchain engineers, as it allows you to identify code vulnerabilities and strengthen blockchain security. Become proficient in programming languages and utilize blockchain libraries like ethers.js and web3.js to become a blockchain security expert.

4. Gain Proficiency in Smart Contract Development

As a blockchain security engineer, you will encounter various smart contract-based applications. Therefore, it’s crucial to familiarize yourself with smart contract development. Acquire expertise in recognizing vulnerabilities within smart contracts and understand the different security layers associated with them. Given the prevalence of smart contracts in the blockchain domain, it is essential to explore resources that will enhance your knowledge and understanding of smart contracts and their underlying security risks.

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5. Enroll in Professional Training Courses

Professional training courses play a pivotal role in developing your blockchain security skills. Choose courses that provide insights into the technical aspects of different blockchain concepts, including security. For instance, gaining knowledge about DeFi, NFTs, and metaverse fundamentals will help you comprehend how these concepts fit into the broader blockchain ecosystem. The distinguishing factor of professional training courses lies in the expertise of the instructors. Opt for courses that offer real-world examples and demos, enabling you to grasp concepts quickly.

6. Obtain Credible Certifications

To increase your chances of securing your desired role as a blockchain security engineer, certification is crucial. Certifications for blockchain security engineers validate your ability to tackle various challenges in the field. The Certified Blockchain Security Expert credential offered by 101 Blockchains stands out as one of the most esteemed certifications for blockchain security professionals. This certification not only covers the fundamentals of blockchain security but also delves into threat modeling and risk assessment. It enables you to showcase your proficiency in identifying major security vulnerabilities within the blockchain ecosystem. Additionally, the Certified Blockchain Security Expert certification demonstrates your skills in creating secure blockchain solutions.

7. Practice Skills and Engage with the Community

To solidify your capabilities as a blockchain security engineer, practice your skills by participating in real-world projects. Engaging in practical endeavors not only refines your skills but also builds confidence. Once you’ve acquired blockchain security skills and obtained certification, make efforts to engage with blockchain communities and forums. These platforms allow you to interact with peers and industry experts, showcasing your expertise and making it easier for potential employers to discover your talents.


This guide has provided essential insights into the path of becoming a blockchain security engineer. As the demand for blockchain security continues to grow, career prospects for blockchain security experts are expanding significantly. By leveraging professional training courses and obtaining certifications, you can build the necessary skills required for a successful career in blockchain security engineering. To explore the possibilities further, learn more about the Certified Blockchain Security Expert certification and the career path in blockchain security.

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Disclaimer: This article does not provide investment advice and should not be considered as such. The claims made in this article do not constitute investment advice, and any reliance on this information is at the reader’s own risk. 101 Blockchains is not responsible for any financial loss incurred as a result of following the information provided. Conduct your own research before making any investment decisions!

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