Blockchain technology has emerged as a force across various sectors, revolutionizing finance, supply chain management, and even the art world. However, this tech has come with its own set of unique challenges, particularly when it comes to security. The transparency it offers has become both a key usp and a hindrance.
Now more than ever Web3 needs to show off robust security measures. As discussed in a recent episode of the BlockLeaders Podcast featuring David Schwed, COO of Halborn Security, prioritizing security from the inception of blockchain projects is not merely a best practice; it is an essential strategy for success of any project moving forward.
Understanding the Risks in Web3
David Schwedt’s journey into the world of blockchain began in 2012, fueled by his fascination with decentralized systems. He recognized that the lack of a centralized authority, while empowering, also introduced significant vulnerabilities.
“In Web3, the stakes are incredibly high,” David emphasizes, noting that financial losses can occur within seconds if security is not adequately addressed. This understanding is critical for startups entering the blockchain space, as it shapes their approach to building secure products.
A new sense of urgency when it comes to security
The fundamental principles of security remain consistent across Web2 and Web3; however, the approach and urgency differ. In Web3, the potential for financial loss necessitates a shift in how security measures are implemented.
Companies must adopt multiple layers of security controls and foster a culture of responsiveness that anticipates threats rather than merely reacting to them.
One key takeaway from our discussion with David is the importance of engaging with security experts early in the development process. At Halborn, David and his team work with a diverse array of clients, including decentralized exchanges (DEXs), Layer 1 protocols, and major banks, offering services ranging from smart contract audits to penetration testing. By collaborating with security professionals from the outset, startups can build systems that are resilient against attacks, avoiding the costly repercussions of retroactive security measures.
The Vulnerabilities of Smart Contracts
A significant focus of our discussion revolves around the inherent vulnerabilities present in smart contracts, particularly concerning business logic. The transparent nature of these contracts makes them attractive targets for sophisticated hackers. David underscores the importance of early security measures, stating,
Real-World Lessons from Security Breaches
Real-world examples illustrate the sophisticated tactics employed by attackers in the blockchain space. One such case is the infamous Axie Infinity hack, where the Lazarus Group, linked to North Korea, exploited social engineering techniques to compromise a developer’s system. By tricking the developer into opening an infected PDF, the attackers orchestrated a breach that resulted in enormous financial losses that many of us in the world of Web3 have read about.
“This hack shows how even the most secure systems can be compromised through human error,” David points out. Such incidents underscore the need for proactive security measures that extend beyond technical defenses to include user education and awareness.
Phishing attacks, for instance, continue to be one of the most effective methods for cybercriminals. “A single compromised email can lead to catastrophic financial and reputational damage,” David warns.
Balancing Transparency, Privacy, and Compliance
The conversation also highlights the delicate balance between transparency, privacy, and compliance in blockchain transactions. Contrary to popular belief, open-source code is not inherently secure. This misconception can lead to false confidence among developers and users alike. Cybersecurity professionals play a crucial role in auditing and implementing security controls to protect against vulnerabilities.
David addresses the limitations and risks associated with privacy solutions like Monero and Zcash, acknowledging their importance while emphasizing the need for compliance with regulatory standards. This balance is essential for fostering trust in blockchain technology.
Value of Mentorship and Collaboration
David would encourage startups to seek advice from experienced professionals who are eager to share their knowledge. “Mentorship can be a game-changer,” he states, highlighting that insights from seasoned experts can be crucial for developing secure systems from the ground up.
For startups venturing into Web3, integrating robust security measures from day one is not optional—it is a necessity. By prioritizing security, engaging with experts early, and fostering a culture of education and awareness, blockchain startups can build trust and resilience in a rapidly evolving landscape.
Watch this episode of the BlockLeaders Podcast, where Lisa Gibbons and David Schwed discuss the complexities of blockchain security.

