Web 3 Security: Basics

Ilie Slujitoru
July 9, 2023
Web 3 Security: Basics

Web 3 Security: Basics

The constant evolution of internet architecture, with Web 3.0 taking center stage has signaled a substantial shift in online interactions. This version aims to shift control from centralized corporations to users, fostering a democratic digital environment. Thus, the Web 3.0 model is often described as a decentralized web that prioritizes user autonomy over personal data and digital identities.

Despite the exciting prospects offered by this technology, it presents unique security challenges that need comprehensive examination. This article aims to explore the basics of Web 3.0 security features, inherent risks, and possible mitigation strategies. It will conclude by introducing SourceLess, a solution aiming to address these security concerns.

Understanding Web 3.0 and Its Security Features

Web 3.0 is built around data-driven, semantic web solutions that utilize machine intelligence. Technologies such as machine learning (ML), Big Data, and decentralized ledger technology (DLT) will allow future websites and applications to have human-like capabilities for handling information. The vision for Web 3.0 was inspired by the desire of Tim Berners-Lee, the creator of the web, for a more decentralized Internet. Unlike Web 2.0, which relies on centralized data repositories, Web 3.0 interlinks data in a decentralized manner, making it accessible to both humans and computers. This paradigm shift is supported by two main features: the semantic web and AI.

Two of the most promising security features of Web 3.0 include Identity Native and Trustless environments.

· Identity Native: In the Web 2.0 landscape, data breaches have been frequent, with users having little control over the data collected by organizations. With Web 3.0, however, users are the ones controlling their own data within a distributed app environment. This control is enforced by smart contracts that maintain user privacy while facilitating anonymous data access.

· Trustless Environment: The concept of “zero trust” has been gaining traction in the information security space. In a trustless environment, data flows peer-to-peer through decentralized apps, negating the need for intermediaries that users must trust.

Tackling the Security Challenges of Web 3.0

As promising and powerful as Web 3.0 seems to be, it certainly also comes with its own challenges and risks. Here are some of those potential threats:

· Data Manipulation: Given the increasing reliance on AI, the malicious tampering of data used for training purposes is a major concern. Deliberate misinformation can skew AI output, creating a chain of distorted information and potential harm.

· Enhanced Spam: The interconnected nature of Web 3.0 could potentially facilitate an increase in spam attacks. These could lead to harmful malware or ransomware spreading quickly and extensively across the network.

· Identity Risk: Although Web 3.0 promotes the use of self-sovereign identity, it can create certain identity risks. For instance, using a user identifier across all sessions could inadvertently reveal sensitive user information if not securely authenticated.

· Data Security: While blockchain encryption enhances security, it’s not flawless. Issues such as Sybil attacks, phishing, and key theft can exploit vulnerabilities within the blockchain network.

· Social Engineering: Despite the blockchain’s immutability, data can still be hacked through social engineering tactics. These may involve posing as trustworthy entities to access sensitive data, representing significant security threats in the Web 3.0 era.

Systematic Risks and User-Specific Concerns in Web 3

Apart from the threats mentioned, Web 3 also faces systematic risks, such as economic downturns, unfavorable legislation, technical failures in blockchain networks, and censorship from certain centralized services.

Users, specifically, must be wary of risks like the loss of private keys, phishing scams, smart contract failures, and failures in blockchain companies or exchanges. Fortunately, measures like safeguarding private keys and staying vigilant against phishing attempts can minimize these risks. Using hardware wallets, keeping private keys offline (cold storage), and using self-custody wallets can also significantly boost user security.

Enhanced Security in Web 3.0 through Decentralized Technologies

Traditional security tools like firewalls and antivirus software often fall short in Web 3.0. So, it’s imperative to rely on specialized protocols and practices to safeguard the network’s integrity.

Smart Contracts: The Heart of Web 3.0 Security

A key feature of Web 3.0 is smart contracts. These self-executing contracts streamline transactions and enable the creation of decentralized applications (dApps). However, the same mechanisms that make smart contracts advantageous also make them susceptible to attacks, particularly if they contain coding errors. To counter these vulnerabilities, developers need to conduct rigorous testing and auditing to identify potential flaws and ensure the contract’s reliability.

Robust Encryption and Authentication Protocols

Securing decentralized technologies also calls for robust encryption and authentication protocols. These safeguards protect user data and stave off unauthorized access. Developers and users must be on guard against threats like phishing scams and other social engineering attacks that exploit trust in decentralized systems.

Technical Security Measures in Web 3.0

Web 3.0 security also entails using technical measures to prevent unauthorized access to digital assets. Here are some key methods:

· Multi-Factor Authentication (MFA): MFA verifies a user’s identity using several forms of authentication, including knowledge-based (passwords or answers to security questions), possession-based (mobile device or smart card), and inherence-based (biometrics) factors. In the context of Web 3.0, MFA can safeguard digital assets even when a password has been compromised.

· Hardware Wallets: Hardware wallets are physical devices that store private keys offline. They are one of the safest methods for storing digital assets since they’re immune to online threats. Because the private keys are kept on the device, you need to physically connect the wallet to your computer or mobile device to access your assets, ensuring they stay safe even if your computer or mobile device is compromised.

· Smart Contract Auditing: Despite their benefits, smart contracts can harbor vulnerabilities that hackers can exploit. Therefore, before deploying them to the blockchain, it’s crucial to have them audited by a trusted security firm.

Mitigating Web 3.0 Risks with SourceLess

In tackling the challenges of the digital landscape that Web 3 opens, companies like SourceLess play an essential role. SourceLess offers military-grade security at reduced costs for personal and business users, ensuring that cyber attacks like denial of service, data and identity theft become things of the past in the World Wide Blockchain that the company is creating.

With improved security standards, simplified onboarding procedures, and a user-friendly approach that makes high-end technology accessible and affordable to all, SourceLess aims to overhaul the industry and set new standards for digital identity, rights, and ownership.

You can check out and explore for yourself the new digital ecosystem launched by SourceLess here.You can check out and explore for yourself the new digital ecosystem launched by SourceLess (link).


Web 3.0 has the potential to revolutionize the internet industry by opening up unprecedented opportunities for growth and success. However, the cybersecurity of its operational mechanisms and functional operations must be secured to realize its full potential. By providing reliable solutions to data hacking and leakage issues, the industry can confidently move towards a safer and more secure Web 3.0 future.